rule_files: - ../prometheus_alerts.yml evaluation_interval: 5m tests: # health error - interval: 5m input_series: - series: 'ceph_health_status{instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '2 2 2 2 2 2 2' promql_expr_test: - expr: ceph_health_status == 2 eval_time: 5m exp_samples: - labels: 'ceph_health_status{instance="ceph:9283",job="ceph",cluster="mycluster"}' value: 2 alert_rule_test: - eval_time: 1m alertname: CephHealthError - eval_time: 6m alertname: CephHealthError exp_alerts: - exp_labels: instance: ceph:9283 job: ceph oid: 1.3.6.1.4.1.50495.1.2.1.2.1 type: ceph_default severity: critical cluster: mycluster exp_annotations: summary: Ceph is in the ERROR state on cluster mycluster description: The cluster state has been HEALTH_ERROR for more than 5 minutes on cluster mycluster. Please check 'ceph health detail' for more information. # health warning - interval: 5m input_series: - series: 'ceph_health_status{instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_status == 1 eval_time: 15m exp_samples: - labels: 'ceph_health_status{instance="ceph:9283",job="ceph",cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 10m alertname: CephHealthWarning - eval_time: 20m alertname: CephHealthWarning exp_alerts: - exp_labels: instance: ceph:9283 job: ceph type: ceph_default severity: warning cluster: mycluster exp_annotations: summary: Ceph is in the WARNING state on cluster mycluster description: The cluster state has been HEALTH_WARN for more than 15 minutes on cluster mycluster. Please check 'ceph health detail' for more information. # 10% OSDs down - interval: 1m input_series: - series: 'ceph_osd_up{ceph_daemon="osd.0",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '1 1 1 1 1' - series: 'ceph_osd_up{ceph_daemon="osd.1",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '0 0 0 0 0' - series: 'ceph_osd_up{ceph_daemon="osd.2",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.0", ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)", cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",cluster="mycluster",objectstore="bluestore", public_addr="172.20.0.2"}' values: '1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.1", ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)", cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",cluster="mycluster",objectstore="bluestore", public_addr="172.20.0.2"}' values: '1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.2", ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)", cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",cluster="mycluster",objectstore="bluestore", public_addr="172.20.0.2"}' values: '1 1 1 1 1' promql_expr_test: - expr: count by (cluster) (ceph_osd_up == 0) / count by (cluster) (ceph_osd_up) * 100 >= 10 eval_time: 1m exp_samples: - labels: '{cluster="mycluster" }' value: 3.333333333333333E+01 alert_rule_test: - eval_time: 1m alertname: CephOSDDownHigh exp_alerts: - exp_labels: oid: 1.3.6.1.4.1.50495.1.2.1.4.1 type: ceph_default severity: critical cluster: mycluster exp_annotations: summary: More than 10% of OSDs are down on cluster mycluster description: "33.33% or 1 of 3 OSDs are down (>= 10%). The following OSDs are down: - osd.1 on ceph" # flapping OSD - interval: 1s input_series: - series: 'ceph_osd_up{ceph_daemon="osd.0",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '1+1x100' - series: 'ceph_osd_up{ceph_daemon="osd.1",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '1+0x100' - series: 'ceph_osd_up{ceph_daemon="osd.2",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '1+0x100' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.0", ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)", cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",objectstore="bluestore", public_addr="172.20.0.2",cluster="mycluster"}' values: '1 1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.1", ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)", cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",objectstore="bluestore", public_addr="172.20.0.2",cluster="mycluster"}' values: '1 1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.2", ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)", cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",objectstore="bluestore", public_addr="172.20.0.2",cluster="mycluster"}' values: '1 1 1 1 1 1' promql_expr_test: - expr: | ( rate(ceph_osd_up[5m]) * on(ceph_daemon) group_left(hostname) ceph_osd_metadata ) * 60 > 1 eval_time: 1m exp_samples: - labels: '{ceph_daemon="osd.0", hostname="ceph", instance="ceph:9283", job="ceph",cluster="mycluster"}' value: 1.2200000000000001E+01 alert_rule_test: - eval_time: 5m alertname: CephOSDFlapping exp_alerts: - exp_labels: ceph_daemon: osd.0 hostname: ceph instance: ceph:9283 job: ceph oid: 1.3.6.1.4.1.50495.1.2.1.4.4 severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/troubleshooting/troubleshooting-osd#flapping-osds summary: Network issues are causing OSDs to flap (mark each other down) on cluster mycluster description: "OSD osd.0 on ceph was marked down and back up 20.1 times once a minute for 5 minutes. This may indicate a network issue (latency, packet loss, MTU mismatch) on the cluster network, or the public network if no cluster network is deployed. Check the network stats on the listed host(s)." # high pg count deviation - interval: 1m input_series: - series: 'ceph_osd_numpg{ceph_daemon="osd.0",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '100 100 100 100 100 160' - series: 'ceph_osd_numpg{ceph_daemon="osd.1",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '100 100 100 100 100 320' - series: 'ceph_osd_numpg{ceph_daemon="osd.2",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '100 100 100 100 100 160' - series: 'ceph_osd_numpg{ceph_daemon="osd.3",instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '100 100 100 100 100 160' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.0",ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)",cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",objectstore="bluestore",public_addr="172.20.0.2",cluster="mycluster"}' values: '1 1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.1",ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)",cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",objectstore="bluestore",public_addr="172.20.0.2",cluster="mycluster"}' values: '1 1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.2",ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)",cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",objectstore="bluestore",public_addr="172.20.0.2",cluster="mycluster"}' values: '1 1 1 1 1 1' - series: 'ceph_osd_metadata{back_iface="eth0",ceph_daemon="osd.3",ceph_version="ceph version 17.0.0-189-g3558fd72 (3558fd7291855971aa6481a2ade468ad61fbb346) pacific (dev)",cluster_addr="172.20.0.2",device_class="hdd",front_iface="eth0", hostname="ceph",instance="ceph:9283",job="ceph",objectstore="bluestore",public_addr="172.20.0.2",cluster="mycluster"}' values: '1 1 1 1 1 1' promql_expr_test: - expr: | abs( ( (ceph_osd_numpg > 0) - on (job) group_left avg(ceph_osd_numpg > 0) by (job) ) / on (job) group_left avg(ceph_osd_numpg > 0) by (job) ) * on(ceph_daemon) group_left(hostname) ceph_osd_metadata > 0.30 eval_time: 5m exp_samples: - labels: '{ceph_daemon="osd.1", hostname="ceph", instance="ceph:9283",job="ceph",cluster="mycluster"}' value: 6E-01 alert_rule_test: - eval_time: 10m alertname: CephPGImbalance exp_alerts: - exp_labels: ceph_daemon: osd.1 hostname: ceph instance: ceph:9283 job: ceph oid: 1.3.6.1.4.1.50495.1.2.1.4.5 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: PGs are not balanced across OSDs on cluster mycluster description: "OSD osd.1 on ceph deviates by more than 30% from average PG count." # pgs inactive - interval: 1m input_series: - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph",cluster="mycluster",name="device_health_metrics",pool_id="1"}' values: '1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph",cluster="mycluster",name="device_health_metrics",pool_id="2"}' values: '1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph",cluster="mycluster",name="device_health_metrics",pool_id="3"}' values: '1 1 1 1 1 1 1 1' - series: 'ceph_pg_total{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="1"}' values: '1 1 1 1 1 1 1 1' - series: 'ceph_pg_total{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="2"}' values: '32 32 32 32 32 32 32 32' - series: 'ceph_pg_total{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="3"}' values: '33 32 32 32 32 33 33 32' - series: 'ceph_pg_active{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="1"}' values: '1 1 1 1 1 1 1 1 1' - series: 'ceph_pg_active{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="2"}' values: '32 32 32 32 32 32 32 32' - series: 'ceph_pg_active{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="3"}' values: '32 32 32 32 32 32 32 32' promql_expr_test: - expr: ceph_pool_metadata * on(pool_id,instance) group_left() (ceph_pg_total - ceph_pg_active) > 0 eval_time: 5m exp_samples: - labels: '{instance="ceph:9283", job="ceph",cluster="mycluster",name="device_health_metrics",pool_id="3"}' value: 1 alert_rule_test: - eval_time: 5m alertname: CephPGsInactive exp_alerts: - exp_labels: instance: ceph:9283 job: ceph name: device_health_metrics oid: 1.3.6.1.4.1.50495.1.2.1.7.1 pool_id: 3 severity: critical cluster: mycluster type: ceph_default exp_annotations: summary: One or more placement groups are inactive on cluster mycluster description: "1 PGs have been inactive for more than 5 minutes in pool device_health_metrics. Inactive placement groups are not able to serve read/write requests." #pgs unclean - interval: 1m input_series: - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph",cluster="mycluster",name="device_health_metrics",pool_id="1"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph",cluster="mycluster",name="device_health_metrics",pool_id="2"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph",cluster="mycluster",name="device_health_metrics",pool_id="3"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_pg_total{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="1"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_pg_total{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="2"}' values: '32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32' - series: 'ceph_pg_total{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="3"}' values: '33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33' - series: 'ceph_pg_clean{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="1"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_pg_clean{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="2"}' values: '32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32' - series: 'ceph_pg_clean{instance="ceph:9283",job="ceph",cluster="mycluster",pool_id="3"}' values: '32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32' promql_expr_test: - expr: ceph_pool_metadata * on(pool_id,instance) group_left() (ceph_pg_total - ceph_pg_clean) > 0 eval_time: 15m exp_samples: - labels: '{instance="ceph:9283", job="ceph",cluster="mycluster",name="device_health_metrics", pool_id="3"}' value: 1 alert_rule_test: - eval_time: 16m alertname: CephPGsUnclean exp_alerts: - exp_labels: instance: ceph:9283 job: ceph name: device_health_metrics oid: 1.3.6.1.4.1.50495.1.2.1.7.2 pool_id: 3 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: One or more placement groups are marked unclean on cluster mycluster description: "1 PGs have been unclean for more than 15 minutes in pool device_health_metrics. Unclean PGs have not recovered from a previous failure." # root volume full - interval: 1m input_series: - series: 'node_filesystem_avail_bytes{device="/dev/mapper/fedora_localhost --live-home",fstype="ext4",instance="node-exporter",job="node-exporter", mountpoint="/"}' values: '35336400896 35336400896 35336400896 35336400896 35336400896 3525385519.104 3533640089' - series: 'node_filesystem_size_bytes{device="/dev/mapper/fedora_localhost --live-home",fstype="ext4",instance="node-exporter",job="node-exporter", mountpoint="/"}' values: '73445531648 73445531648 73445531648 73445531648 73445531648 73445531648 73445531648' promql_expr_test: - expr: node_filesystem_avail_bytes{mountpoint="/"} / node_filesystem_size_bytes{mountpoint="/"} * 100 < 5 eval_time: 5m exp_samples: - labels: '{device="/dev/mapper/fedora_localhost --live-home", fstype="ext4", instance="node-exporter", job="node-exporter", mountpoint="/"}' value: 4.8E+00 alert_rule_test: - eval_time: 10m alertname: CephNodeRootFilesystemFull exp_alerts: - exp_labels: device: /dev/mapper/fedora_localhost --live-home fstype: ext4 instance: node-exporter job: node-exporter mountpoint: / oid: 1.3.6.1.4.1.50495.1.2.1.8.1 severity: critical type: ceph_default exp_annotations: summary: Root filesystem is dangerously full description: "Root volume is dangerously full: 4.811% free." # network packets dropped - interval: 1m input_series: - series: 'node_network_receive_drop_total{device="eth0",instance="node-exporter",job="node-exporter"}' values: '0+600x10' - series: 'node_network_transmit_drop_total{device="eth0",instance="node-exporter",job="node-exporter"}' values: '0+600x10' - series: 'node_network_receive_packets_total{device="eth0",instance="node-exporter",job="node-exporter"}' values: '0+750x10' - series: 'node_network_transmit_packets_total{device="eth0",instance="node-exporter",job="node-exporter"}' values: '0+750x10' promql_expr_test: - expr: | ( rate(node_network_receive_drop_total{device!="lo"}[1m]) + rate(node_network_transmit_drop_total{device!="lo"}[1m]) ) / ( rate(node_network_receive_packets_total{device!="lo"}[1m]) + rate(node_network_transmit_packets_total{device!="lo"}[1m]) ) >= 0.0050000000000000001 and ( rate(node_network_receive_drop_total{device!="lo"}[1m]) + rate(node_network_transmit_drop_total{device!="lo"}[1m]) ) >= 10 eval_time: 5m exp_samples: - labels: '{device="eth0", instance="node-exporter",job="node-exporter"}' value: 8E-1 alert_rule_test: - eval_time: 5m alertname: CephNodeNetworkPacketDrops exp_alerts: - exp_labels: device: eth0 instance: node-exporter job: node-exporter oid: 1.3.6.1.4.1.50495.1.2.1.8.2 severity: warning type: ceph_default exp_annotations: summary: One or more NICs reports packet drops description: "Node node-exporter experiences packet drop > 0.5% or > 10 packets/s on interface eth0." # network packets errors - interval: 1m input_series: - series: 'node_network_receive_errs_total{device="eth0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '0+600x10' - series: 'node_network_transmit_errs_total{device="eth0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '0+600x10' - series: 'node_network_transmit_packets_total{device="eth0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '0+750x10' - series: 'node_network_receive_packets_total{device="eth0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '0+750x10' promql_expr_test: - expr: | ( rate(node_network_receive_errs_total{device!="lo"}[1m]) + rate(node_network_transmit_errs_total{device!="lo"}[1m]) ) / ( rate(node_network_receive_packets_total{device!="lo"}[1m]) + rate(node_network_transmit_packets_total{device!="lo"}[1m]) ) >= 0.0001 or ( rate(node_network_receive_errs_total{device!="lo"}[1m]) + rate(node_network_transmit_errs_total{device!="lo"}[1m]) ) >= 10 eval_time: 5m exp_samples: - labels: '{device="eth0", instance="node-exporter",job="node-exporter",cluster="mycluster"}' value: 8E-01 alert_rule_test: - eval_time: 5m alertname: CephNodeNetworkPacketErrors exp_alerts: - exp_labels: device: eth0 instance: node-exporter job: node-exporter oid: 1.3.6.1.4.1.50495.1.2.1.8.3 severity: warning type: ceph_default cluster: mycluster exp_annotations: summary: One or more NICs reports packet errors on cluster mycluster description: "Node node-exporter experiences packet errors > 0.01% or > 10 packets/s on interface eth0." # Bond is missing a peer - interval: 1m input_series: - series: 'node_bonding_active{master="bond0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '3' - series: 'node_bonding_slaves{master="bond0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '4' promql_expr_test: - expr: | node_bonding_slaves - node_bonding_active != 0 eval_time: 5m exp_samples: - labels: '{master="bond0", instance="node-exporter",job="node-exporter",cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 5m alertname: CephNodeNetworkBondDegraded exp_alerts: - exp_labels: master: bond0 instance: node-exporter job: node-exporter severity: warning type: ceph_default cluster: mycluster exp_annotations: summary: Degraded Bond on Node node-exporter on cluster mycluster description: "Bond bond0 is degraded on Node node-exporter." # Node Storage disk space filling up - interval: 1m # 20GB = 21474836480, 256MB = 268435456 input_series: - series: 'node_filesystem_free_bytes{device="/dev/mapper/vg-root",fstype="xfs",instance="node-1",mountpoint="/rootfs",cluster="mycluster"}' values: '21474836480-268435456x48' - series: 'node_filesystem_free_bytes{device="/dev/mapper/vg-root",fstype="xfs",instance="node-2",mountpoint="/rootfs",cluster="mycluster"}' values: '21474836480+0x48' - series: 'node_uname_info{instance="node-1", nodename="node-1.unittests.com",cluster="mycluster"}' values: 1+0x48 - series: 'node_uname_info{instance="node-2", nodename="node-2.unittests.com",cluster="mycluster"}' values: 1+0x48 promql_expr_test: - expr: | predict_linear(node_filesystem_free_bytes{device=~"/.*"}[2d], 3600 * 24 * 5) * on(instance) group_left(nodename) node_uname_info < 0 eval_time: 5m exp_samples: - labels: '{device="/dev/mapper/vg-root",instance="node-1",fstype="xfs",mountpoint="/rootfs",nodename="node-1.unittests.com",cluster="mycluster"}' value: -1.912602624E+12 alert_rule_test: - eval_time: 5m alertname: CephNodeDiskspaceWarning exp_alerts: - exp_labels: severity: warning type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.8.4 device: /dev/mapper/vg-root fstype: xfs instance: node-1 mountpoint: /rootfs nodename: node-1.unittests.com cluster: mycluster exp_annotations: summary: Host filesystem free space is getting low on cluster mycluster description: "Mountpoint /rootfs on node-1.unittests.com will be full in less than 5 days based on the 48 hour trailing fill rate." # MTU Mismatch - interval: 1m input_series: - series: 'node_network_mtu_bytes{device="eth0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '1500 1500 1500 1500 1500' - series: 'node_network_mtu_bytes{device="eth1",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '1500 1500 1500 1500 1500' - series: 'node_network_mtu_bytes{device="eth2",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '1500 1500 1500 1500 1500' - series: 'node_network_mtu_bytes{device="eth3",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '1500 1500 1500 1500 1500' - series: 'node_network_mtu_bytes{device="eth4",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '9000 9000 9000 9000 9000' - series: 'node_network_mtu_bytes{device="eth4",instance="hostname1",job="node-exporter",cluster="mycluster"}' values: '2200 2200 2200 2200 2200' - series: 'node_network_mtu_bytes{device="eth4",instance="hostname2",job="node-exporter",cluster="mycluster"}' values: '2400 2400 2400 2400 2400' - series: 'node_network_up{device="eth0",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '0 0 0 0 0' - series: 'node_network_up{device="eth1",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '0 0 0 0 0' - series: 'node_network_up{device="eth2",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '1 1 1 1 1' - series: 'node_network_up{device="eth3",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '1 1 1 1 1' - series: 'node_network_up{device="eth4",instance="node-exporter",job="node-exporter",cluster="mycluster"}' values: '1 1 1 1 1' - series: 'node_network_up{device="eth4",instance="hostname1",job="node-exporter",cluster="mycluster"}' values: '1 1 1 1 1' - series: 'node_network_up{device="eth4",instance="hostname2",job="node-exporter",cluster="mycluster"}' values: '0 0 0 0 0' promql_expr_test: - expr: | node_network_mtu_bytes * (node_network_up{device!="lo"} > 0) == scalar( max by (cluster,device) (node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) != quantile by (cluster,device) (.5, node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) ) or node_network_mtu_bytes * (node_network_up{device!="lo"} > 0) == scalar( min by (cluster,device) (node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) != quantile by (cluster,device) (.5, node_network_mtu_bytes * (node_network_up{device!="lo"} > 0)) ) eval_time: 1m exp_samples: - labels: '{device="eth4", instance="node-exporter", job="node-exporter", cluster="mycluster"}' value: 9000 - labels: '{device="eth4", instance="hostname1", job="node-exporter", cluster="mycluster"}' value: 2200 alert_rule_test: - eval_time: 1m alertname: CephNodeInconsistentMTU exp_alerts: - exp_labels: device: eth4 instance: hostname1 job: node-exporter severity: warning type: ceph_default cluster: "mycluster" exp_annotations: summary: MTU settings across Ceph hosts are inconsistent on cluster mycluster description: "Node hostname1 has a different MTU size (2200) than the median of devices named eth4." - exp_labels: device: eth4 instance: node-exporter job: node-exporter severity: warning type: ceph_default cluster: "mycluster" exp_annotations: summary: MTU settings across Ceph hosts are inconsistent on cluster mycluster description: "Node node-exporter has a different MTU size (9000) than the median of devices named eth4." # pool full, data series has 6 but using topk(5) so to ensure the # results are working as expected - interval: 1m input_series: - series: 'ceph_health_detail{name="POOL_FULL", cluster="mycluster"}' values: '0 0 0 1 1 1 1 1 1 1 1' - series: 'ceph_pool_percent_used{pool_id="1", cluster="mycluster"}' values: '32+0x10' - series: 'ceph_pool_percent_used{pool_id="2", cluster="mycluster"}' values: '96+0x10' - series: 'ceph_pool_percent_used{pool_id="3", cluster="mycluster"}' values: '90+0x10' - series: 'ceph_pool_percent_used{pool_id="4", cluster="mycluster"}' values: '72+0x10' - series: 'ceph_pool_percent_used{pool_id="5", cluster="mycluster"}' values: '19+0x10' - series: 'ceph_pool_percent_used{pool_id="6", cluster="mycluster"}' values: '10+0x10' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph", name="cephfs_data",pool_id="1", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph", name="rbd",pool_id="2", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph", name="iscsi",pool_id="3", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph", name="default.rgw.index",pool_id="4", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph", name="default.rgw.log",pool_id="5", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' - series: 'ceph_pool_metadata{instance="ceph:9283",job="ceph", name="dummy",pool_id="6", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="POOL_FULL"} > 0 eval_time: 5m exp_samples: - labels: '{__name__="ceph_health_detail", name="POOL_FULL", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephPoolFull - eval_time: 10m alertname: CephPoolFull exp_alerts: - exp_labels: name: POOL_FULL severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.9.1 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pool-full summary: Pool is full - writes are blocked on cluster mycluster description: "A pool has reached its MAX quota, or OSDs supporting the pool have reached the FULL threshold. Until this is resolved, writes to the pool will be blocked. Pool Breakdown (top 5) - rbd at 96% - iscsi at 90% - default.rgw.index at 72% - cephfs_data at 32% - default.rgw.log at 19% Increase the pool's quota, or add capacity to the cluster first then increase the pool's quota (e.g. ceph osd pool set quota max_bytes )" # slow OSD ops - interval : 1m input_series: - series: 'ceph_healthcheck_slow_ops{instance="ceph:9283",job="ceph",cluster="mycluster"}' values: '1+0x120' promql_expr_test: - expr: ceph_healthcheck_slow_ops > 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_healthcheck_slow_ops", instance="ceph:9283",job="ceph",cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 20m alertname: CephSlowOps exp_alerts: - exp_labels: instance: ceph:9283 job: ceph severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#slow-ops summary: OSD operations are slow to complete on cluster mycluster description: "1 OSD requests are taking too long to process (osd_op_complaint_time exceeded)" # slow daemon ops - interval : 1m input_series: - series: 'ceph_daemon_health_metrics{ceph_daemon="osd.1", instance="ceph:9283", job="ceph", type="SLOW_OPS", cluster="mycluster"}' values: '1+0x120' promql_expr_test: - expr: 'ceph_daemon_health_metrics{type="SLOW_OPS"} > 0' eval_time: 1m exp_samples: - labels: '{__name__="ceph_daemon_health_metrics", ceph_daemon="osd.1", instance="ceph:9283", cluster="mycluster",job="ceph", type="SLOW_OPS"}' value: 1 alert_rule_test: - eval_time: 20m alertname: CephDaemonSlowOps exp_alerts: - exp_labels: instance: ceph:9283 ceph_daemon: "osd.1" job: ceph severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#slow-ops summary: osd.1 operations are slow to complete on cluster mycluster description: "osd.1 operations are taking too long to process (complaint time exceeded)" # CEPHADM orchestrator alert triggers - interval: 30s input_series: - series: 'ceph_health_detail{name="UPGRADE_EXCEPTION", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="UPGRADE_EXCEPTION"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="UPGRADE_EXCEPTION", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephadmUpgradeFailed - eval_time: 5m alertname: CephadmUpgradeFailed exp_alerts: - exp_labels: name: UPGRADE_EXCEPTION severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.11.2 exp_annotations: summary: Ceph version upgrade has failed on cluster mycluster description: "The cephadm cluster upgrade process has failed. The cluster remains in an undetermined state. Please review the cephadm logs, to understand the nature of the issue" - interval: 30s input_series: - series: 'ceph_health_detail{name="CEPHADM_FAILED_DAEMON", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="CEPHADM_FAILED_DAEMON"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="CEPHADM_FAILED_DAEMON", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephadmDaemonFailed - eval_time: 5m alertname: CephadmDaemonFailed exp_alerts: - exp_labels: name: CEPHADM_FAILED_DAEMON severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.11.1 exp_annotations: summary: A ceph daemon managed by cephadm is down on cluster mycluster description: "A daemon managed by cephadm is no longer active. Determine, which daemon is down with 'ceph health detail'. you may start daemons with the 'ceph orch daemon start '" - interval: 1m input_series: - series: 'ceph_health_detail{name="CEPHADM_PAUSED", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="CEPHADM_PAUSED"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="CEPHADM_PAUSED", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephadmPaused - eval_time: 5m alertname: CephadmPaused exp_alerts: - exp_labels: name: CEPHADM_PAUSED severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/cephadm/operations#cephadm-paused summary: Orchestration tasks via cephadm are PAUSED on cluster mycluster description: "Cluster management has been paused manually. This will prevent the orchestrator from service management and reconciliation. If this is not intentional, resume cephadm operations with 'ceph orch resume'" # MDS - interval: 1m input_series: - series: 'ceph_health_detail{name="MDS_DAMAGE", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="MDS_DAMAGE"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="MDS_DAMAGE", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephFilesystemDamaged - eval_time: 5m alertname: CephFilesystemDamaged exp_alerts: - exp_labels: name: MDS_DAMAGE severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.5.1 exp_annotations: documentation: https://docs.ceph.com/en/latest/cephfs/health-messages#cephfs-health-messages summary: CephFS filesystem is damaged on cluster mycluster description: "Filesystem metadata has been corrupted. Data may be inaccessible. Analyze metrics from the MDS daemon admin socket, or escalate to support." - interval: 1m input_series: - series: 'ceph_health_detail{name="MDS_HEALTH_READ_ONLY", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="MDS_HEALTH_READ_ONLY"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="MDS_HEALTH_READ_ONLY", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephFilesystemReadOnly - eval_time: 5m alertname: CephFilesystemReadOnly exp_alerts: - exp_labels: name: MDS_HEALTH_READ_ONLY severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.5.2 exp_annotations: documentation: https://docs.ceph.com/en/latest/cephfs/health-messages#cephfs-health-messages summary: CephFS filesystem in read only mode due to write error(s) on cluster mycluster description: "The filesystem has switched to READ ONLY due to an unexpected error when writing to the metadata pool. Either analyze the output from the MDS daemon admin socket, or escalate to support." - interval: 1m input_series: - series: 'ceph_health_detail{name="MDS_ALL_DOWN", cluster="mycluster"}' values: '0 0 1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="MDS_ALL_DOWN"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="MDS_ALL_DOWN", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephFilesystemOffline - eval_time: 10m alertname: CephFilesystemOffline exp_alerts: - exp_labels: name: MDS_ALL_DOWN severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.5.3 exp_annotations: documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#mds-all-down summary: CephFS filesystem is offline on cluster mycluster description: "All MDS ranks are unavailable. The MDS daemons managing metadata are down, rendering the filesystem offline." - interval: 1m input_series: - series: 'ceph_health_detail{name="FS_DEGRADED", cluster="mycluster"}' values: '0 0 1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="FS_DEGRADED"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="FS_DEGRADED", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephFilesystemDegraded - eval_time: 10m alertname: CephFilesystemDegraded exp_alerts: - exp_labels: name: FS_DEGRADED severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.5.4 exp_annotations: documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#fs-degraded summary: CephFS filesystem is degraded on cluster mycluster description: "One or more metadata daemons (MDS ranks) are failed or in a damaged state. At best the filesystem is partially available, at worst the filesystem is completely unusable." - interval: 1m input_series: - series: 'ceph_health_detail{name="MDS_INSUFFICIENT_STANDBY", cluster="mycluster"}' values: '0 0 1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="MDS_INSUFFICIENT_STANDBY"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="MDS_INSUFFICIENT_STANDBY", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephFilesystemInsufficientStandby - eval_time: 10m alertname: CephFilesystemInsufficientStandby exp_alerts: - exp_labels: name: MDS_INSUFFICIENT_STANDBY severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#mds-insufficient-standby summary: Ceph filesystem standby daemons too few on cluster mycluster description: "The minimum number of standby daemons required by standby_count_wanted is less than the current number of standby daemons. Adjust the standby count or increase the number of MDS daemons." - interval: 1m input_series: - series: 'ceph_health_detail{name="FS_WITH_FAILED_MDS", cluster="mycluster"}' values: '0 0 1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="FS_WITH_FAILED_MDS"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="FS_WITH_FAILED_MDS", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephFilesystemFailureNoStandby - eval_time: 10m alertname: CephFilesystemFailureNoStandby exp_alerts: - exp_labels: name: FS_WITH_FAILED_MDS severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.5.5 exp_annotations: documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#fs-with-failed-mds summary: MDS daemon failed, no further standby available on cluster mycluster description: "An MDS daemon has failed, leaving only one active rank and no available standby. Investigate the cause of the failure or add a standby MDS." - interval: 1m input_series: - series: 'ceph_health_detail{name="MDS_UP_LESS_THAN_MAX", cluster="mycluster"}' values: '0 0 1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="MDS_UP_LESS_THAN_MAX"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="MDS_UP_LESS_THAN_MAX", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephFilesystemMDSRanksLow - eval_time: 10m alertname: CephFilesystemMDSRanksLow exp_alerts: - exp_labels: name: MDS_UP_LESS_THAN_MAX severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/cephfs/health-messages/#mds-up-less-than-max summary: Ceph MDS daemon count is lower than configured on cluster mycluster description: "The filesystem's 'max_mds' setting defines the number of MDS ranks in the filesystem. The current number of active MDS daemons is less than this value." # MGR - interval: 1m input_series: - series: 'up{job="ceph", instance="ceph-mgr:9283"}' values: '1+0x2 0+0x10' promql_expr_test: - expr: up{job="ceph"} == 0 eval_time: 3m exp_samples: - labels: '{__name__="up", job="ceph", instance="ceph-mgr:9283"}' value: 0 alert_rule_test: - eval_time: 1m alertname: CephMgrPrometheusModuleInactive - eval_time: 10m alertname: CephMgrPrometheusModuleInactive exp_alerts: - exp_labels: instance: ceph-mgr:9283 job: ceph severity: critical type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.6.2 exp_annotations: summary: The mgr/prometheus module is not available description: "The mgr/prometheus module at ceph-mgr:9283 is unreachable. This could mean that the module has been disabled or the mgr daemon itself is down. Without the mgr/prometheus module metrics and alerts will no longer function. Open a shell to an admin node or toolbox pod and use 'ceph -s' to to determine whether the mgr is active. If the mgr is not active, restart it, otherwise you can determine module status with 'ceph mgr module ls'. If it is not listed as enabled, enable it with 'ceph mgr module enable prometheus'." - interval: 1m input_series: - series: 'ceph_health_detail{name="RECENT_MGR_MODULE_CRASH", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="RECENT_MGR_MODULE_CRASH"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="RECENT_MGR_MODULE_CRASH", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephMgrModuleCrash - eval_time: 15m alertname: CephMgrModuleCrash exp_alerts: - exp_labels: name: RECENT_MGR_MODULE_CRASH severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.6.1 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#recent-mgr-module-crash summary: A manager module has recently crashed on cluster mycluster description: "One or more mgr modules have crashed and have yet to be acknowledged by an administrator. A crashed module may impact functionality within the cluster. Use the 'ceph crash' command to determine which module has failed, and archive it to acknowledge the failure." # MON - interval: 1m input_series: - series: 'ceph_health_detail{name="MON_DISK_CRIT", cluster="mycluster"}' values: '0+0x2 1+0x10' - series: 'ceph_mon_metadata{ceph_daemon="mon.a", hostname="ceph-mon-a", cluster="mycluster"}' values: '1+0x13' promql_expr_test: - expr: ceph_health_detail{name="MON_DISK_CRIT"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="MON_DISK_CRIT", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephMonDiskspaceCritical - eval_time: 10m alertname: CephMonDiskspaceCritical exp_alerts: - exp_labels: name: "MON_DISK_CRIT" severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.3.2 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-disk-crit summary: Filesystem space on at least one monitor is critically low on cluster mycluster description: "The free space available to a monitor's store is critically low. You should increase the space available to the monitor(s). The default directory is /var/lib/ceph/mon-*/data/store.db on traditional deployments, and /var/lib/rook/mon-*/data/store.db on the mon pod's worker node for Rook. Look for old, rotated versions of *.log and MANIFEST*. Do NOT touch any *.sst files. Also check any other directories under /var/lib/rook and other directories on the same filesystem, often /var/log and /var/tmp are culprits. Your monitor hosts are; - ceph-mon-a" - interval: 1m input_series: - series: 'ceph_health_detail{name="MON_DISK_LOW", cluster="mycluster"}' values: '0+0x2 1+0x10' - series: 'ceph_mon_metadata{ceph_daemon="mon.a", hostname="ceph-mon-a", cluster="mycluster"}' values: '1+0x13' promql_expr_test: - expr: ceph_health_detail{name="MON_DISK_LOW"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="MON_DISK_LOW", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephMonDiskspaceLow - eval_time: 10m alertname: CephMonDiskspaceLow exp_alerts: - exp_labels: name: "MON_DISK_LOW" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-disk-low summary: Drive space on at least one monitor is approaching full on cluster mycluster description: "The space available to a monitor's store is approaching full (>70% is the default). You should increase the space available to the monitor(s). The default directory is /var/lib/ceph/mon-*/data/store.db on traditional deployments, and /var/lib/rook/mon-*/data/store.db on the mon pod's worker node for Rook. Look for old, rotated versions of *.log and MANIFEST*. Do NOT touch any *.sst files. Also check any other directories under /var/lib/rook and other directories on the same filesystem, often /var/log and /var/tmp are culprits. Your monitor hosts are; - ceph-mon-a" - interval: 1m input_series: - series: 'ceph_health_detail{name="MON_CLOCK_SKEW", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="MON_CLOCK_SKEW"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="MON_CLOCK_SKEW", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephMonClockSkew - eval_time: 10m alertname: CephMonClockSkew exp_alerts: - exp_labels: name: "MON_CLOCK_SKEW" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-clock-skew summary: Clock skew detected among monitors on cluster mycluster description: "Ceph monitors rely on closely synchronized time to maintain quorum and cluster consistency. This event indicates that the time on at least one mon has drifted too far from the lead mon. Review cluster status with ceph -s. This will show which monitors are affected. Check the time sync status on each monitor host with 'ceph time-sync-status' and the state and peers of your ntpd or chrony daemon." # Check 3 mons one down, quorum at risk - interval: 1m input_series: - series: 'ceph_health_detail{name="MON_DOWN", cluster="mycluster"}' values: '0+0x2 1+0x12' - series: 'ceph_mon_quorum_status{ceph_daemon="mon.a", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_quorum_status{ceph_daemon="mon.b", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_quorum_status{ceph_daemon="mon.c", cluster="mycluster"}' values: '1+0x2 0+0x12' - series: 'ceph_mon_metadata{ceph_daemon="mon.a", hostname="ceph-mon-1", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_metadata{ceph_daemon="mon.b", hostname="ceph-mon-2", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_metadata{ceph_daemon="mon.c", hostname="ceph-mon-3", cluster="mycluster"}' values: '1+0x14' promql_expr_test: - expr: ((ceph_health_detail{name="MON_DOWN"} == 1) * on() group_right(cluster) (count(ceph_mon_quorum_status == 1) by (cluster) == bool (floor(count(ceph_mon_metadata) by (cluster) / 2) + 1))) == 1 eval_time: 3m exp_samples: - labels: '{cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephMonDownQuorumAtRisk # shouldn't fire - eval_time: 10m alertname: CephMonDownQuorumAtRisk exp_alerts: - exp_labels: severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.3.1 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-down summary: Monitor quorum is at risk on cluster mycluster description: "Quorum requires a majority of monitors (x 2) to be active. Without quorum the cluster will become inoperable, affecting all services and connected clients. The following monitors are down: - mon.c on ceph-mon-3" # check 5 mons, 1 down - warning only - interval: 1m input_series: - series: 'ceph_mon_quorum_status{ceph_daemon="mon.a", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_quorum_status{ceph_daemon="mon.b", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_quorum_status{ceph_daemon="mon.c", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_quorum_status{ceph_daemon="mon.d", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_quorum_status{ceph_daemon="mon.e", cluster="mycluster"}' values: '1+0x2 0+0x12' - series: 'ceph_mon_metadata{ceph_daemon="mon.a", hostname="ceph-mon-1", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_metadata{ceph_daemon="mon.b", hostname="ceph-mon-2", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_metadata{ceph_daemon="mon.c", hostname="ceph-mon-3", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_metadata{ceph_daemon="mon.d", hostname="ceph-mon-4", cluster="mycluster"}' values: '1+0x14' - series: 'ceph_mon_metadata{ceph_daemon="mon.e", hostname="ceph-mon-5", cluster="mycluster"}' values: '1+0x14' promql_expr_test: - expr: (count by (cluster) (ceph_mon_quorum_status == 0)) <= (count by (cluster) (ceph_mon_metadata) - floor((count by (cluster) (ceph_mon_metadata) / 2 + 1))) eval_time: 3m exp_samples: - labels: '{cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephMonDown - eval_time: 10m alertname: CephMonDown exp_alerts: - exp_labels: severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#mon-down summary: One or more monitors down on cluster mycluster description: "You have 1 monitor down. Quorum is still intact, but the loss of an additional monitor will make your cluster inoperable. The following monitors are down: - mon.e on ceph-mon-5" # Device Health - interval: 1m input_series: - series: 'ceph_health_detail{name="DEVICE_HEALTH", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="DEVICE_HEALTH"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="DEVICE_HEALTH", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephDeviceFailurePredicted - eval_time: 10m alertname: CephDeviceFailurePredicted exp_alerts: - exp_labels: name: "DEVICE_HEALTH" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#id2 summary: Device(s) predicted to fail soon on cluster mycluster description: "The device health module has determined that one or more devices will fail soon. To review device status use 'ceph device ls'. To show a specific device use 'ceph device info '. Mark the OSD out so that data may migrate to other OSDs. Once the OSD has drained, destroy the OSD, replace the device, and redeploy the OSD." - interval: 1m input_series: - series: 'ceph_health_detail{name="DEVICE_HEALTH_TOOMANY", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="DEVICE_HEALTH_TOOMANY"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="DEVICE_HEALTH_TOOMANY", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephDeviceFailurePredictionTooHigh - eval_time: 10m alertname: CephDeviceFailurePredictionTooHigh exp_alerts: - exp_labels: name: "DEVICE_HEALTH_TOOMANY" severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.4.7 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#device-health-toomany summary: Too many devices are predicted to fail on cluster mycluster, unable to resolve description: "The device health module has determined that devices predicted to fail can not be remediated automatically, since too many OSDs would be removed from the cluster to ensure performance and availability. Prevent data integrity issues by adding new OSDs so that data may be relocated." - interval: 1m input_series: - series: 'ceph_health_detail{name="DEVICE_HEALTH_IN_USE", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="DEVICE_HEALTH_IN_USE"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="DEVICE_HEALTH_IN_USE", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephDeviceFailureRelocationIncomplete - eval_time: 10m alertname: CephDeviceFailureRelocationIncomplete exp_alerts: - exp_labels: name: "DEVICE_HEALTH_IN_USE" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#device-health-in-use summary: Device failure is predicted, but unable to relocate data on cluster mycluster description: "The device health module has determined that one or more devices will fail soon, but the normal process of relocating the data on the device to other OSDs in the cluster is blocked. \nEnsure that the cluster has available free space. It may be necessary to add capacity to the cluster to allow data from the failing device to successfully migrate, or to enable the balancer." # OSD - interval: 1m input_series: - series: 'ceph_health_detail{name="OSD_HOST_DOWN", cluster="mycluster"}' values: '0+0x2 1+0x10' - series: 'ceph_osd_up{ceph_daemon="osd.0", cluster="mycluster"}' values: '1+0x2 0+0x10' - series: 'ceph_osd_metadata{ceph_daemon="osd.0", hostname="ceph-osd-1", cluster="mycluster"}' values: '1+0x12' promql_expr_test: - expr: ceph_health_detail{name="OSD_HOST_DOWN"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_HOST_DOWN", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephOSDHostDown - eval_time: 10m alertname: CephOSDHostDown exp_alerts: - exp_labels: name: "OSD_HOST_DOWN" severity: warning cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.4.8 exp_annotations: summary: An OSD host is offline on cluster mycluster description: "The following OSDs are down: - ceph-osd-1 : osd.0" - interval: 1m input_series: - series: 'ceph_health_detail{name="OSD_SLOW_PING_TIME_FRONT", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="OSD_SLOW_PING_TIME_FRONT"} == 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_SLOW_PING_TIME_FRONT", cluster="mycluster"}' value: 0 alert_rule_test: - eval_time: 1m alertname: CephOSDTimeoutsPublicNetwork - eval_time: 10m alertname: CephOSDTimeoutsPublicNetwork exp_alerts: - exp_labels: name: "OSD_SLOW_PING_TIME_FRONT" severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: Network issues delaying OSD heartbeats (public network) on cluster mycluster description: "OSD heartbeats on the cluster's 'public' network (frontend) are running slow. Investigate the network for latency or loss issues. Use 'ceph health detail' to show the affected OSDs." - interval: 1m input_series: - series: 'ceph_health_detail{name="OSD_SLOW_PING_TIME_BACK", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="OSD_SLOW_PING_TIME_BACK"} == 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_SLOW_PING_TIME_BACK", cluster="mycluster"}' value: 0 alert_rule_test: - eval_time: 1m alertname: CephOSDTimeoutsClusterNetwork - eval_time: 10m alertname: CephOSDTimeoutsClusterNetwork exp_alerts: - exp_labels: name: "OSD_SLOW_PING_TIME_BACK" severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: Network issues delaying OSD heartbeats (cluster network) on cluster mycluster description: "OSD heartbeats on the cluster's 'cluster' network (backend) are slow. Investigate the network for latency issues on this subnet. Use 'ceph health detail' to show the affected OSDs." - interval: 1m input_series: - series: 'ceph_health_detail{name="BLUESTORE_DISK_SIZE_MISMATCH", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="BLUESTORE_DISK_SIZE_MISMATCH"} == 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_health_detail", name="BLUESTORE_DISK_SIZE_MISMATCH", cluster="mycluster"}' value: 0 alert_rule_test: - eval_time: 1m alertname: CephOSDInternalDiskSizeMismatch - eval_time: 10m alertname: CephOSDInternalDiskSizeMismatch exp_alerts: - exp_labels: name: "BLUESTORE_DISK_SIZE_MISMATCH" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#bluestore-disk-size-mismatch summary: OSD size inconsistency error on cluster mycluster description: "One or more OSDs have an internal inconsistency between metadata and the size of the device. This could lead to the OSD(s) crashing in future. You should redeploy the affected OSDs." - interval: 30s input_series: - series: 'ceph_health_detail{name="BLUESTORE_SPURIOUS_READ_ERRORS", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="BLUESTORE_SPURIOUS_READ_ERRORS"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="BLUESTORE_SPURIOUS_READ_ERRORS", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephOSDReadErrors - eval_time: 10m alertname: CephOSDReadErrors exp_alerts: - exp_labels: name: "BLUESTORE_SPURIOUS_READ_ERRORS" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#bluestore-spurious-read-errors summary: Device read errors detected on cluster mycluster description: "An OSD has encountered read errors, but the OSD has recovered by retrying the reads. This may indicate an issue with hardware or the kernel." - interval: 1m input_series: - series: 'ceph_health_detail{name="OSD_DOWN", cluster="mycluster"}' values: '0+0x2 1+0x10' - series: 'ceph_osd_up{ceph_daemon="osd.0", cluster="mycluster"}' values: '1+0x12' - series: 'ceph_osd_up{ceph_daemon="osd.1", cluster="mycluster"}' values: '1+0x2 0+0x10' - series: 'ceph_osd_up{ceph_daemon="osd.2", cluster="mycluster"}' values: '1+0x12' - series: 'ceph_osd_metadata{ceph_daemon="osd.0", hostname="ceph-osd-1", cluster="mycluster"}' values: '1+0x12' - series: 'ceph_osd_metadata{ceph_daemon="osd.1", hostname="ceph-osd-2", cluster="mycluster"}' values: '1+0x12' - series: 'ceph_osd_metadata{ceph_daemon="osd.2", hostname="ceph-osd-3", cluster="mycluster"}' values: '1+0x12' promql_expr_test: - expr: ceph_health_detail{name="OSD_DOWN"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_DOWN", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephOSDDown - eval_time: 10m alertname: CephOSDDown exp_alerts: - exp_labels: name: "OSD_DOWN" severity: warning cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.4.2 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-down summary: An OSD has been marked down on cluster mycluster description: "1 OSD down for over 5mins. The following OSD is down: - osd.1 on ceph-osd-2" - interval: 1m input_series: - series: 'ceph_health_detail{name="OSD_NEARFULL", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="OSD_NEARFULL"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_NEARFULL", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephOSDNearFull - eval_time: 10m alertname: CephOSDNearFull exp_alerts: - exp_labels: name: "OSD_NEARFULL" severity: warning cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.4.3 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-nearfull summary: OSD(s) running low on free space (NEARFULL) on cluster mycluster description: One or more OSDs have reached the NEARFULL threshold. Use 'ceph health detail' and 'ceph osd df' to identify the problem. To resolve, add capacity to the affected OSD's failure domain, restore down/out OSDs, or delete unwanted data. - interval: 1m input_series: - series: 'ceph_health_detail{name="OSD_FULL", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="OSD_FULL"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_FULL", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephOSDFull - eval_time: 10m alertname: CephOSDFull exp_alerts: - exp_labels: name: "OSD_FULL" severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.4.6 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-full summary: OSD full, writes blocked on cluster mycluster description: An OSD has reached the FULL threshold. Writes to pools that share the affected OSD will be blocked. Use 'ceph health detail' and 'ceph osd df' to identify the problem. To resolve, add capacity to the affected OSD's failure domain, restore down/out OSDs, or delete unwanted data. - interval: 1m input_series: - series: 'ceph_health_detail{name="OSD_BACKFILLFULL", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="OSD_BACKFILLFULL"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_BACKFILLFULL", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephOSDBackfillFull - eval_time: 10m alertname: CephOSDBackfillFull exp_alerts: - exp_labels: name: "OSD_BACKFILLFULL" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-backfillfull summary: OSD(s) too full for backfill operations on cluster mycluster description: "An OSD has reached the BACKFILL FULL threshold. This will prevent rebalance operations from completing. Use 'ceph health detail' and 'ceph osd df' to identify the problem. To resolve, add capacity to the affected OSD's failure domain, restore down/out OSDs, or delete unwanted data." - interval: 30s input_series: - series: 'ceph_health_detail{name="OSD_TOO_MANY_REPAIRS", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="OSD_TOO_MANY_REPAIRS"} == 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_health_detail", name="OSD_TOO_MANY_REPAIRS", cluster="mycluster"}' value: 0 alert_rule_test: - eval_time: 1m alertname: CephOSDTooManyRepairs - eval_time: 10m alertname: CephOSDTooManyRepairs exp_alerts: - exp_labels: name: "OSD_TOO_MANY_REPAIRS" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#osd-too-many-repairs summary: OSD reports a high number of read errors on cluster mycluster description: Reads from an OSD have used a secondary PG to return data to the client, indicating a potential failing drive. # Pools # trigger percent full prediction on pools 1 and 2 only - interval: 12h input_series: - series: 'ceph_pool_percent_used{pool_id="1", instance="9090", cluster="mycluster"}' values: '1 1 1 1 1' - series: 'ceph_pool_percent_used{pool_id="1", instance="8090", cluster="mycluster"}' values: '78 89 79 98 78' - series: 'ceph_pool_percent_used{pool_id="2", instance="9090", cluster="mycluster"}' values: '1 1 1 1 1' - series: 'ceph_pool_percent_used{pool_id="2", instance="8090", cluster="mycluster"}' values: '22 22 23 23 24' - series: 'ceph_pool_metadata{pool_id="1" , instance="9090" ,name="rbd",type="replicated", cluster="mycluster"}' values: '1 1 1 1 1' - series: 'ceph_pool_metadata{pool_id="1", instance="8090",name="default.rgw.index",type="replicated", cluster="mycluster"}' values: '1 1 1 1 1' - series: 'ceph_pool_metadata{pool_id="2" , instance="9090" ,name="rbd",type="replicated", cluster="mycluster"}' values: '1 1 1 1 1' - series: 'ceph_pool_metadata{pool_id="2", instance="8090",name="default.rgw.index",type="replicated", cluster="mycluster"}' values: '1 1 1 1 1' promql_expr_test: - expr: | (predict_linear(ceph_pool_percent_used[2d], 3600 * 24 * 5) * on(cluster, pool_id, instance) group_right() ceph_pool_metadata) >= 95 eval_time: 36h exp_samples: - labels: '{instance="8090",name="default.rgw.index",pool_id="1",type="replicated", cluster="mycluster"}' value: 1.435E+02 # 142% alert_rule_test: - eval_time: 48h alertname: CephPoolGrowthWarning exp_alerts: - exp_labels: instance: 8090 name: default.rgw.index pool_id: 1 severity: warning cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.9.2 exp_annotations: summary: Pool growth rate may soon exceed capacity on cluster mycluster description: Pool 'default.rgw.index' will be full in less than 5 days assuming the average fill-up rate of the past 48 hours. - interval: 1m input_series: - series: 'ceph_health_detail{name="POOL_BACKFILLFULL", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="POOL_BACKFILLFULL"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="POOL_BACKFILLFULL", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephPoolBackfillFull - eval_time: 5m alertname: CephPoolBackfillFull exp_alerts: - exp_labels: name: "POOL_BACKFILLFULL" severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: Free space in a pool is too low for recovery/backfill on cluster mycluster description: A pool is approaching the near full threshold, which will prevent recovery/backfill operations from completing. Consider adding more capacity. - interval: 1m input_series: - series: 'ceph_health_detail{name="POOL_NEAR_FULL", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="POOL_NEAR_FULL"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="POOL_NEAR_FULL", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephPoolNearFull - eval_time: 10m alertname: CephPoolNearFull exp_alerts: - exp_labels: name: "POOL_NEAR_FULL" severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: One or more Ceph pools are nearly full on cluster mycluster description: "A pool has exceeded the warning (percent full) threshold, or OSDs supporting the pool have reached the NEARFULL threshold. Writes may continue, but you are at risk of the pool going read-only if more capacity isn't made available. Determine the affected pool with 'ceph df detail', looking at QUOTA BYTES and STORED. Increase the pool's quota, or add capacity to the cluster first then increase the pool's quota (e.g. ceph osd pool set quota max_bytes ). Also ensure that the balancer is active." # PGs - interval: 1m input_series: - series: 'ceph_health_detail{name="PG_NOT_SCRUBBED",cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="PG_NOT_SCRUBBED"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="PG_NOT_SCRUBBED", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephPGNotScrubbed - eval_time: 10m alertname: CephPGNotScrubbed exp_alerts: - exp_labels: name: "PG_NOT_SCRUBBED" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-not-scrubbed summary: Placement group(s) have not been scrubbed on cluster mycluster description: "One or more PGs have not been scrubbed recently. Scrubs check metadata integrity, protecting against bit-rot. They check that metadata is consistent across data replicas. When PGs miss their scrub interval, it may indicate that the scrub window is too small, or PGs were not in a 'clean' state during the scrub window. You can manually initiate a scrub with: ceph pg scrub " - interval: 1m input_series: - series: 'ceph_health_detail{name="PG_DAMAGED",cluster="mycluster"}' values: '0+0x4 1+0x20' promql_expr_test: - expr: ceph_health_detail{name=~"PG_DAMAGED|OSD_SCRUB_ERRORS"} == 1 eval_time: 5m exp_samples: - labels: '{__name__="ceph_health_detail", name="PG_DAMAGED", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephPGsDamaged - eval_time: 10m alertname: CephPGsDamaged exp_alerts: - exp_labels: name: "PG_DAMAGED" severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.7.4 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-damaged summary: Placement group damaged, manual intervention needed on cluster mycluster description: During data consistency checks (scrub), at least one PG has been flagged as being damaged or inconsistent. Check to see which PG is affected, and attempt a manual repair if necessary. To list problematic placement groups, use 'rados list-inconsistent-pg '. To repair PGs use the 'ceph pg repair ' command. - interval: 1m input_series: - series: 'ceph_health_detail{name="TOO_MANY_PGS",cluster="mycluster"}' values: '0+0x4 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="TOO_MANY_PGS"} == 1 eval_time: 5m exp_samples: - labels: '{__name__="ceph_health_detail", name="TOO_MANY_PGS", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephPGsHighPerOSD - eval_time: 10m alertname: CephPGsHighPerOSD exp_alerts: - exp_labels: name: "TOO_MANY_PGS" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks/#too-many-pgs summary: Placement groups per OSD is too high on cluster mycluster description: "The number of placement groups per OSD is too high (exceeds the mon_max_pg_per_osd setting).\n Check that the pg_autoscaler has not been disabled for any pools with 'ceph osd pool autoscale-status', and that the profile selected is appropriate. You may also adjust the target_size_ratio of a pool to guide the autoscaler based on the expected relative size of the pool ('ceph osd pool set cephfs.cephfs.meta target_size_ratio .1') or set the pg_autoscaler mode to 'warn' and adjust pg_num appropriately for one or more pools." - interval: 1m input_series: - series: 'ceph_health_detail{name="PG_RECOVERY_FULL", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="PG_RECOVERY_FULL"} == 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_health_detail", name="PG_RECOVERY_FULL", cluster="mycluster"}' value: 0 alert_rule_test: - eval_time: 1m alertname: CephPGRecoveryAtRisk - eval_time: 10m alertname: CephPGRecoveryAtRisk exp_alerts: - exp_labels: name: "PG_RECOVERY_FULL" severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.7.5 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-recovery-full summary: OSDs are too full for recovery on cluster mycluster description: Data redundancy is at risk since one or more OSDs are at or above the 'full' threshold. Add more capacity to the cluster, restore down/out OSDs, or delete unwanted data. - interval: 1m input_series: - series: 'ceph_health_detail{name="PG_BACKFILL_FULL", cluster="mycluster"}' values: '0+0x2 1+0x20' promql_expr_test: - expr: ceph_health_detail{name="PG_BACKFILL_FULL"} == 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_health_detail", name="PG_BACKFILL_FULL", cluster="mycluster"}' value: 0 alert_rule_test: - eval_time: 1m alertname: CephPGBackfillAtRisk - eval_time: 10m alertname: CephPGBackfillAtRisk exp_alerts: - exp_labels: name: "PG_BACKFILL_FULL" severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.7.6 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-backfill-full summary: Backfill operations are blocked due to lack of free space on cluster mycluster description: Data redundancy may be at risk due to lack of free space within the cluster. One or more OSDs have reached the 'backfillfull' threshold. Add more capacity, or delete unwanted data. - interval: 1m input_series: - series: 'ceph_health_detail{name="PG_AVAILABILITY", cluster="mycluster"}' values: '0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_health_detail{name="OSD_DOWN", cluster="mycluster"}' values: '0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0' promql_expr_test: - expr: ((ceph_health_detail{name="PG_AVAILABILITY"} == 1) - scalar(ceph_health_detail{name="OSD_DOWN"})) eval_time: 1m # empty set at 1m exp_samples: alert_rule_test: # PG_AVAILABILITY and OSD_DOWN not firing .. no alert - eval_time: 1m alertname: CephPGUnavailableBlockingIO exp_alerts: # PG_AVAILABILITY firing, but osd_down is active .. no alert - eval_time: 5m alertname: CephPGUnavailableBlockingIO exp_alerts: # PG_AVAILABILITY firing, AND OSD_DOWN is not active...raise the alert - eval_time: 15m alertname: CephPGUnavailableBlockingIO exp_alerts: - exp_labels: name: "PG_AVAILABILITY" severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.7.3 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-availability summary: PG is unavailable on cluster mycluster, blocking I/O description: Data availability is reduced, impacting the cluster's ability to service I/O. One or more placement groups (PGs) are in a state that blocks I/O. - interval: 1m input_series: - series: 'ceph_health_detail{name="PG_NOT_DEEP_SCRUBBED", cluster="mycluster"}' values: '0+0x2 1+0x10' promql_expr_test: - expr: ceph_health_detail{name="PG_NOT_DEEP_SCRUBBED"} == 1 eval_time: 3m exp_samples: - labels: '{__name__="ceph_health_detail", name="PG_NOT_DEEP_SCRUBBED", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: CephPGNotDeepScrubbed - eval_time: 10m alertname: CephPGNotDeepScrubbed exp_alerts: - exp_labels: name: "PG_NOT_DEEP_SCRUBBED" severity: warning cluster: mycluster type: ceph_default exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#pg-not-deep-scrubbed summary: Placement group(s) have not been deep scrubbed on cluster mycluster description: One or more PGs have not been deep scrubbed recently. Deep scrubs protect against bit-rot. They compare data replicas to ensure consistency. When PGs miss their deep scrub interval, it may indicate that the window is too small or PGs were not in a 'clean' state during the deep-scrub window. # Prometheus - interval: 1m input_series: - series: 'up{job="myjob"}' values: '1+0x10' promql_expr_test: - expr: absent(up{job="ceph"}) eval_time: 1m exp_samples: - labels: '{job="ceph"}' value: 1 alert_rule_test: - eval_time: 5m alertname: PrometheusJobMissing exp_alerts: - exp_labels: job: ceph severity: critical type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.12.1 exp_annotations: summary: The scrape job for Ceph is missing from Prometheus description: The prometheus job that scrapes from Ceph is no longer defined, this will effectively mean you'll have no metrics or alerts for the cluster. Please review the job definitions in the prometheus.yml file of the prometheus instance. # RADOS - interval: 1m input_series: - series: 'ceph_health_detail{name="OBJECT_UNFOUND", cluster="mycluster"}' values: '0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_osd_up{ceph_daemon="osd.0", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_osd_up{ceph_daemon="osd.1", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_osd_up{ceph_daemon="osd.2", cluster="mycluster"}' values: '1 1 1 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_osd_metadata{ceph_daemon="osd.0", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_osd_metadata{ceph_daemon="osd.1", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_osd_metadata{ceph_daemon="osd.2", cluster="mycluster"}' values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' promql_expr_test: - expr: (ceph_health_detail{name="OBJECT_UNFOUND"} == 1) * on() group_right (cluster) (count(ceph_osd_up == 1) by (cluster) == bool count(ceph_osd_metadata) by (cluster)) == 1 eval_time: 1m exp_samples: alert_rule_test: # OBJECT_UNFOUND but osd.2 is down, so don't fire - eval_time: 5m alertname: CephObjectMissing exp_alerts: # OBJECT_UNFOUND and all osd's are online, so fire - eval_time: 15m alertname: CephObjectMissing exp_alerts: - exp_labels: severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.10.1 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks#object-unfound summary: Object(s) marked UNFOUND on cluster mycluster description: The latest version of a RADOS object can not be found, even though all OSDs are up. I/O requests for this object from clients will block (hang). Resolving this issue may require the object to be rolled back to a prior version manually, and manually verified. # Generic Alerts - interval: 1m input_series: - series: 'ceph_health_detail{name="RECENT_CRASH", cluster="mycluster"}' values: '0 0 0 1 1 1 1 1 1 1 1' promql_expr_test: - expr: ceph_health_detail{name="RECENT_CRASH"} == 1 eval_time: 1m exp_samples: alert_rule_test: # not firing - eval_time: 1m alertname: CephDaemonCrash exp_alerts: # firing - eval_time: 10m alertname: CephDaemonCrash exp_alerts: - exp_labels: name: RECENT_CRASH severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.1.2 exp_annotations: documentation: https://docs.ceph.com/en/latest/rados/operations/health-checks/#recent-crash summary: One or more Ceph daemons have crashed, and are pending acknowledgement on cluster mycluster description: One or more daemons have crashed recently, and need to be acknowledged. This notification ensures that software crashes do not go unseen. To acknowledge a crash, use the 'ceph crash archive ' command. # new rbdmirror alerts tests # RBD Mirror Alerts # alert: CephRBDMirrorImagesPerDaemonHigh - interval: 1m input_series: - series: 'ceph_rbd_mirror_snapshot_image_snapshots{ceph_daemon="client.admin.40628", image="image1", namespace="default", pool="data", cluster="mycluster"}' values: '0+0x20 1+1x130' - series: 'ceph_rbd_mirror_snapshot_image_snapshots{ceph_daemon="client.admin.40628", image="image2", namespace="default", pool="data", cluster="mycluster"}' values: '1+1x130 131+0x20' # prometheus query test promql_expr_test: # negative test where there are no samples - expr: sum by (cluster, ceph_daemon, namespace) (ceph_rbd_mirror_snapshot_image_snapshots) > 100 eval_time: 50m exp_samples: # second positive test - expr: sum by (cluster, ceph_daemon, namespace) (ceph_rbd_mirror_snapshot_image_snapshots) > 100 eval_time: 70m exp_samples: - labels: '{ceph_daemon="client.admin.40628", namespace="default", cluster="mycluster"}' value: 121 # prometheus alert test alert_rule_test: # negative test - eval_time: 30m alertname: CephRBDMirrorImagesPerDaemonHigh exp_alerts: # positive test where alert is fired - eval_time: 70m alertname: CephRBDMirrorImagesPerDaemonHigh exp_alerts: - exp_labels: oid: "1.3.6.1.4.1.50495.1.2.1.10.2" severity: "critical" cluster: mycluster type: "ceph_default" ceph_daemon: "client.admin.40628" namespace: "default" exp_annotations: summary: "Number of image replications are now above 100 on cluster mycluster" description: "Number of image replications per daemon is not supposed to go beyond threshold 100" # alert: CephRBDMirrorImagesNotInSync - interval: 1m input_series: - series: 'ceph_rbd_mirror_snapshot_image_local_timestamp{ceph_daemon="client.admin.40628",image="image1",namespace="default",pool="data",cluster="mycluster"}' values: '1.678+0x20 2.03+0x20 3.21+0x20' - series: 'ceph_rbd_mirror_snapshot_image_remote_timestamp{ceph_daemon="client.admin.40628",image="image1",namespace="default",pool="data",cluster="mycluster"}' values: '1.678+0x20 2.03+0x20 2.03+0x20' # prometheus query test promql_expr_test: # negative test where there are no samples - expr: sum by (cluster, ceph_daemon, image, namespace, pool) (topk by (cluster, ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_local_timestamp) - topk by (cluster, ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_remote_timestamp)) != 0 eval_time: 30m exp_samples: # second positive test - expr: sum by (cluster, ceph_daemon, image, namespace, pool) (topk by (cluster, ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_local_timestamp) - topk by (cluster, ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_remote_timestamp)) != 0 eval_time: 45m exp_samples: - labels: '{ceph_daemon="client.admin.40628", image="image1", namespace="default", pool="data", cluster="mycluster"}' value: 1.1800000000000002 # prometheus alert test alert_rule_test: # negative test - eval_time: 20m alertname: CephRBDMirrorImagesNotInSync exp_alerts: # positive test where alert is fired - eval_time: 50m alertname: CephRBDMirrorImagesNotInSync exp_alerts: - exp_labels: image: "image1" pool: "data" oid: "1.3.6.1.4.1.50495.1.2.1.10.3" severity: "critical" cluster: mycluster type: "ceph_default" ceph_daemon: "client.admin.40628" namespace: "default" exp_annotations: summary: "Some of the RBD mirror images are not in sync with the remote counter parts on cluster mycluster" description: "Both local and remote RBD mirror images should be in sync." # alert: CephRBDMirrorImagesNotInSyncVeryHigh - interval: 1m input_series: - series: 'ceph_rbd_mirror_snapshot_image_local_timestamp{ceph_daemon="client.admin.40628",image="image1",namespace="default",pool="data",cluster="mycluster"}' values: '1.678+0x20 2.03+0x20 3.21+0x20' - series: 'ceph_rbd_mirror_snapshot_image_remote_timestamp{ceph_daemon="client.admin.40628",image="image1",namespace="default",pool="data",cluster="mycluster"}' values: '1.678+0x20 2.03+0x20 2.03+0x20' - series: 'ceph_rbd_mirror_snapshot_image_local_timestamp{ceph_daemon="client.admin.40628",image="image2",namespace="default",pool="data",cluster="mycluster"}' values: '2.189+0x20 3.301+0x14 3.301+0x26' - series: 'ceph_rbd_mirror_snapshot_image_remote_timestamp{ceph_daemon="client.admin.40628",image="image2",namespace="default",pool="data",cluster="mycluster"}' values: '2.189+0x20 3.301+0x14 7.13+0x26' - series: 'ceph_rbd_mirror_snapshot_image_local_timestamp{ceph_daemon="client.admin.40628",image="image3",namespace="default",pool="data",cluster="mycluster"}' values: '2.189+0x20 3.301+0x14 3.301+0x26' - series: 'ceph_rbd_mirror_snapshot_image_remote_timestamp{ceph_daemon="client.admin.40628",image="image3",namespace="default",pool="data",cluster="mycluster"}' values: '2.189+0x20 3.301+0x14 7.13+0x26' - series: 'ceph_rbd_mirror_snapshot_image_local_timestamp{ceph_daemon="client.admin.40628",image="image4",namespace="default",pool="data",cluster="mycluster"}' values: '2.189+0x65' - series: 'ceph_rbd_mirror_snapshot_image_remote_timestamp{ceph_daemon="client.admin.40628",image="image4",namespace="default",pool="data",cluster="mycluster"}' values: '2.189+0x65' - series: 'ceph_rbd_mirror_snapshot_snapshots{ceph_daemon="client.admin.40628",cluster="mycluster"}' values: '1+0x20 2+0x45' # prometheus query test promql_expr_test: # test each query individually # query 1 - expr: count by (ceph_daemon, cluster) ((topk by (ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_local_timestamp) - topk by (ceph_daemon, image, namespace, pool) (1, ceph_rbd_mirror_snapshot_image_remote_timestamp)) != 0) eval_time: 45m exp_samples: - labels: '{ceph_daemon="client.admin.40628",cluster="mycluster"}' value: 3 # query 2 - expr: sum by (ceph_daemon, cluster) (ceph_rbd_mirror_snapshot_snapshots) * .1 eval_time: 45m exp_samples: - labels: '{ceph_daemon="client.admin.40628",cluster="mycluster"}' value: 0.2 # prometheus alert test alert_rule_test: # negative test - eval_time: 2m alertname: CephRBDMirrorImagesNotInSyncVeryHigh exp_alerts: # positive test where alert is fired - eval_time: 50m alertname: CephRBDMirrorImagesNotInSyncVeryHigh exp_alerts: - exp_labels: ceph_daemon: "client.admin.40628" oid: "1.3.6.1.4.1.50495.1.2.1.10.4" severity: "critical" cluster: mycluster type: "ceph_default" exp_annotations: summary: "Number of unsynchronized images are very high on cluster mycluster" description: "More than 10% of the images have synchronization problems." # alert: "CephRBDMirrorImageTransferBandwidthHigh" - interval: 1m input_series: - series: 'ceph_rbd_mirror_journal_replay_bytes{ceph_daemon="client.admin.40628", cluster="mycluster"}' values: '0+0x10 1+0x5 10+30x25 736+200x30' # prometheus query test promql_expr_test: # test each couple of rates # rate 1 - expr: rate(ceph_rbd_mirror_journal_replay_bytes[5m]) eval_time: 5m exp_samples: - labels: '{ceph_daemon="client.admin.40628", cluster="mycluster"}' value: 0.0 # rate 2 - expr: rate(ceph_rbd_mirror_journal_replay_bytes[5m]) eval_time: 20m exp_samples: - labels: '{ceph_daemon="client.admin.40628", cluster="mycluster"}' value: 0.33 # rate 3 - expr: rate(ceph_rbd_mirror_journal_replay_bytes[5m]) eval_time: 40m exp_samples: - labels: '{ceph_daemon="client.admin.40628", cluster="mycluster"}' value: 0.5 # rate 4 - expr: rate(ceph_rbd_mirror_journal_replay_bytes[5m]) eval_time: 50m exp_samples: - labels: '{ceph_daemon="client.admin.40628", cluster="mycluster"}' value: 3.3333333333333335 # prometheus alert test alert_rule_test: # negative test - eval_time: 2m alertname: CephRBDMirrorImageTransferBandwidthHigh exp_alerts: # positive test where alert is fired - eval_time: 50m alertname: CephRBDMirrorImageTransferBandwidthHigh exp_alerts: - exp_labels: ceph_daemon: "client.admin.40628" oid: "1.3.6.1.4.1.50495.1.2.1.10.5" severity: "warning" cluster: mycluster type: "ceph_default" exp_annotations: summary: "The replication network usage on cluster mycluster has been increased over 80% in the last 30 minutes. Review the number of images being replicated. This alert will be cleaned automatically after 30 minutes" description: "Detected a heavy increase in bandwidth for rbd replications (over 80%) in the last 30 min. This might not be a problem, but it is good to review the number of images being replicated simultaneously" - interval: 30s input_series: - series: 'ceph_health_detail{name="HARDWARE_STORAGE", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="HARDWARE_STORAGE"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="HARDWARE_STORAGE", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: HardwareStorageError - eval_time: 5m alertname: HardwareStorageError exp_alerts: - exp_labels: name: HARDWARE_STORAGE severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.13.1 exp_annotations: summary: Storage devices error(s) detected on cluster mycluster description: "Some storage devices are in error. Check `ceph health detail`." - interval: 30s input_series: - series: 'ceph_health_detail{name="HARDWARE_MEMORY", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="HARDWARE_MEMORY"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="HARDWARE_MEMORY", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: HardwareMemoryError - eval_time: 5m alertname: HardwareMemoryError exp_alerts: - exp_labels: name: HARDWARE_MEMORY severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.13.2 exp_annotations: summary: DIMM error(s) detected on cluster mycluster description: "DIMM error(s) detected. Check `ceph health detail`." - interval: 30s input_series: - series: 'ceph_health_detail{name="HARDWARE_PROCESSOR", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="HARDWARE_PROCESSOR"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="HARDWARE_PROCESSOR", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: HardwareProcessorError - eval_time: 5m alertname: HardwareProcessorError exp_alerts: - exp_labels: name: HARDWARE_PROCESSOR severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.13.3 exp_annotations: summary: Processor error(s) detected on cluster mycluster description: "Processor error(s) detected. Check `ceph health detail`." - interval: 30s input_series: - series: 'ceph_health_detail{name="HARDWARE_NETWORK", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="HARDWARE_NETWORK"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="HARDWARE_NETWORK", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: HardwareNetworkError - eval_time: 5m alertname: HardwareNetworkError exp_alerts: - exp_labels: name: HARDWARE_NETWORK severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.13.4 exp_annotations: summary: Network error(s) detected on cluster mycluster description: "Network error(s) detected. Check `ceph health detail`." - interval: 30s input_series: - series: 'ceph_health_detail{name="HARDWARE_POWER", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="HARDWARE_POWER"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="HARDWARE_POWER", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: HardwarePowerError - eval_time: 5m alertname: HardwarePowerError exp_alerts: - exp_labels: name: HARDWARE_POWER severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.13.5 exp_annotations: summary: Power supply error(s) detected on cluster mycluster description: "Power supply error(s) detected. Check `ceph health detail`." - interval: 30s input_series: - series: 'ceph_health_detail{name="HARDWARE_FANS", cluster="mycluster"}' values: '1+0x40' promql_expr_test: - expr: ceph_health_detail{name="HARDWARE_FANS"} > 0 eval_time: 2m exp_samples: - labels: '{__name__="ceph_health_detail", name="HARDWARE_FANS", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 1m alertname: HardwareFanError - eval_time: 5m alertname: HardwareFanError exp_alerts: - exp_labels: name: HARDWARE_FANS severity: critical cluster: mycluster type: ceph_default oid: 1.3.6.1.4.1.50495.1.2.1.13.6 exp_annotations: summary: Fan error(s) detected on cluster mycluster description: "Fan error(s) detected. Check `ceph health detail`." # nvmeof Tests # NVMeoFSubsystemNamespaceLimit - interval: 1m input_series: - series: 'ceph_nvmeof_subsystem_namespace_limit{nqn="wah", cluster="mycluster"}' values: '5x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="wah", bdev_name="disk1", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="wah", bdev_name="disk2", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="wah", bdev_name="disk3", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="wah", bdev_name="disk4", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="wah", bdev_name="disk5", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="wah", bdev_name="disk6", cluster="mycluster"}' values: '1x10' promql_expr_test: - expr: (count by(nqn, cluster) (ceph_nvmeof_subsystem_namespace_metadata)) >= ceph_nvmeof_subsystem_namespace_limit eval_time: 1m exp_samples: - labels: '{nqn="wah",cluster="mycluster"}' value: 6 alert_rule_test: - eval_time: 5m alertname: NVMeoFSubsystemNamespaceLimit exp_alerts: - exp_labels: nqn: wah severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "wah subsystem has reached its maximum number of namespaces on cluster mycluster" description: "Subsystems have a max namespace limit defined at creation time. This alert means that no more namespaces can be added to wah" # NVMeoFMultipleNamespacesOfRBDImage - interval: 1m input_series: - series: 'ceph_nvmeof_bdev_metadata{bdev_name="bdev1", instance="ceph-nvme-vm1", pool_name="mypool", rbd_name="myimage1"}' values: '1x10' - series: 'ceph_nvmeof_bdev_metadata{bdev_name="bdev1", instance="ceph-nvme-vm2", pool_name="mypool", rbd_name="myimage1"}' values: '1x10' - series: 'ceph_nvmeof_bdev_metadata{bdev_name="bdev2", instance="ceph-nvme-vm1", pool_name="mypool", rbd_name="myimage2"}' values: '1x10' - series: 'ceph_nvmeof_bdev_metadata{bdev_name="bdev2", instance="ceph-nvme-vm2", pool_name="mypool", rbd_name="myimage2"}' values: '1x10' - series: 'ceph_nvmeof_bdev_metadata{bdev_name="bdev3", instance="ceph-nvme-vm1", pool_name="mypool", rbd_name="myimage1"}' values: '1x10' - series: 'ceph_nvmeof_bdev_metadata{bdev_name="bdev3", instance="ceph-nvme-vm2", pool_name="mypool", rbd_name="myimage1"}' values: '1x10' - series: 'ceph_nvmeof_bdev_metadata{bdev_name="bdev4", instance="ceph-nvme-vm1", pool_name="mypool", rbd_name="myimage1"}' # bdev with no ns values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="nqn1", nsid="1", bdev_name="bdev1", instance="ceph-nvme-vm1", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="nqn1", nsid="1", bdev_name="bdev1", instance="ceph-nvme-vm2", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="nqn1", nsid="2", bdev_name="bdev2", instance="ceph-nvme-vm1", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="nqn1", nsid="2", bdev_name="bdev2", instance="ceph-nvme-vm2", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="nqn2", nsid="1", bdev_name="bdev3", instance="ceph-nvme-vm1", cluster="mycluster"}' values: '1x10' - series: 'ceph_nvmeof_subsystem_namespace_metadata{nqn="nqn2", nsid="1", bdev_name="bdev3", instance="ceph-nvme-vm2", cluster="mycluster"}' values: '1x10' promql_expr_test: - expr: count by(pool_name, rbd_name) (count by(bdev_name, pool_name, rbd_name) (ceph_nvmeof_bdev_metadata and on (bdev_name) ceph_nvmeof_subsystem_namespace_metadata)) > 1 eval_time: 1m exp_samples: - labels: '{pool_name="mypool", rbd_name="myimage1"}' value: 2 alert_rule_test: - eval_time: 5m alertname: NVMeoFMultipleNamespacesOfRBDImage exp_alerts: - exp_labels: pool_name: mypool rbd_name: myimage1 severity: warning type: ceph_default exp_annotations: summary: "RBD image mypool/myimage1 cannot be reused for multiple NVMeoF namespace " description: "Each NVMeoF namespace must have a unique RBD pool and image, across all different gateway groups." # NVMeoFTooManyGateways - interval: 1m input_series: - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.1",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.2",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.3",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.4",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.5",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.6",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.7",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.8",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.9",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.10",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.11",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.12",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.13",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.14",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.15",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.16",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.17",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.18",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.19",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.20",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.21",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.22",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.23",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.24",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.25",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.26",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.27",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.28",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.29",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.30",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.31",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.32",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.33",cluster="mycluster"}' values: '1+0x20' promql_expr_test: - expr: count(ceph_nvmeof_gateway_info) by (cluster) > 32.00 eval_time: 1m exp_samples: - labels: '{cluster="mycluster"}' value: 33 alert_rule_test: - eval_time: 5m alertname: NVMeoFTooManyGateways exp_alerts: - exp_labels: severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "Max supported gateways exceeded on cluster mycluster" description: "You may create many gateways, but 32 is the tested limit" # NVMeoFMaxGatewayGroupSize - interval: 1m input_series: - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.1",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.2",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.3",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.9",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.12",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.10",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.14",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.11",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.13",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-2",addr="1.1.1.4",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-2",addr="1.1.1.5",cluster="mycluster"}' values: '1+0x20' promql_expr_test: - expr: count(ceph_nvmeof_gateway_info) by (cluster, group) > 8.00 eval_time: 1m exp_samples: - labels: '{cluster="mycluster",group="group-1"}' value: 9 alert_rule_test: - eval_time: 5m alertname: NVMeoFMaxGatewayGroupSize exp_alerts: - exp_labels: group: group-1 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "Max gateways within a gateway group (group-1) exceeded on cluster mycluster" description: "You may create many gateways in a gateway group, but 8 is the tested limit" # NVMeoFSingleGatewayGroup - interval: 1m input_series: - series: 'ceph_nvmeof_gateway_info{group="group-1",addr="1.1.1.2",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-2",addr="1.1.1.4",cluster="mycluster"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{group="group-2",addr="1.1.1.5",cluster="mycluster"}' values: '1+0x20' promql_expr_test: - expr: count by(group, cluster) (ceph_nvmeof_gateway_info) == 1 eval_time: 1m exp_samples: - labels: '{group="group-1", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 5m alertname: NVMeoFSingleGatewayGroup exp_alerts: - exp_labels: group: group-1 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "The gateway group group-1 consists of a single gateway - HA is not possible on cluster mycluster" description: "Although a single member gateway group is valid, it should only be used for test purposes" # NVMeoFHighGatewayCPU - interval: 1m input_series: - series: 'ceph_nvmeof_reactor_seconds_total{mode="busy",name="nvmf_tgt_poll_group_0",instance="node-1:10008",cluster="mycluster"}' values: '880+5080x20' promql_expr_test: - expr: label_replace(avg by(instance, cluster) (rate(ceph_nvmeof_reactor_seconds_total{mode="busy"}[1m])),"instance","$1","instance","(.*):.*") > 80 eval_time: 5m exp_samples: - labels: '{instance="node-1", cluster="mycluster"}' value: 8.466666666666667E+01 alert_rule_test: - eval_time: 15m alertname: NVMeoFHighGatewayCPU exp_alerts: - exp_labels: instance: node-1 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "CPU used by node-1 NVMe-oF Gateway is high on cluster mycluster" description: "Typically, high CPU may indicate degraded performance. Consider increasing the number of reactor cores" # NVMeoFGatewayOpenSecurity - interval: 1m input_series: - series: 'ceph_nvmeof_subsystem_metadata{nqn="nqn.good", allow_any_host="no", cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{nqn="nqn.bad", allow_any_host="yes", cluster="mycluster"}' values: '1+0x10' promql_expr_test: - expr: ceph_nvmeof_subsystem_metadata{allow_any_host="yes"} eval_time: 1m exp_samples: - labels: '{__name__="ceph_nvmeof_subsystem_metadata",nqn="nqn.bad",allow_any_host="yes", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 5m alertname: NVMeoFGatewayOpenSecurity exp_alerts: - exp_labels: allow_any_host: yes nqn: nqn.bad severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "Subsystem nqn.bad has been defined without host level security on cluster mycluster" description: "It is good practice to ensure subsystems use host security to reduce the risk of unexpected data loss" # NVMeoFTooManySubsystems - interval: 1m input_series: - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn1",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn2",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn3",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn4",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn5",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn6",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn7",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn8",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn9",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn10",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn11",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn12",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn13",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn14",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn15",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn16",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn17",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn18",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn19",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn20",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn21",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn22",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn23",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn24",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn25",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn26",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn27",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn28",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn29",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn30",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn31",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn32",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn33",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn34",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn35",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn36",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn37",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn38",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn39",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn40",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn41",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn42",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn43",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn44",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn45",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn46",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn47",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn48",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn49",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn50",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn51",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn52",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn53",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn54",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn55",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn56",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn57",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn58",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn59",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn60",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn61",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn62",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn63",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn64",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn65",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn66",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn67",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn68",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn69",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn70",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn71",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn72",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn73",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn74",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn75",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn76",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn77",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn78",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn79",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn80",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn81",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn82",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn83",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn84",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn85",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn86",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn87",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn88",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn89",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn90",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn91",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn92",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn93",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn94",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn95",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn96",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn97",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn98",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn99",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn100",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn101",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn102",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn103",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn104",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn105",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn106",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn107",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn108",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn109",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn110",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn111",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn112",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn113",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn114",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn115",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn116",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn117",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn118",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn119",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn120",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn121",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn122",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn123",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn124",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn125",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn126",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn127",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn128",cluster="mycluster"}' values: '1+0x10' - series: 'ceph_nvmeof_subsystem_metadata{instance="node-1:10008",nqn="nqn129",cluster="mycluster"}' values: '1+0x10' promql_expr_test: - expr: count by(gateway_host, cluster) (label_replace(ceph_nvmeof_subsystem_metadata,"gateway_host","$1","instance","(.*):.*")) > 128 eval_time: 1m exp_samples: - labels: '{gateway_host="node-1", cluster="mycluster"}' value: 129 alert_rule_test: - eval_time: 5m alertname: NVMeoFTooManySubsystems exp_alerts: - exp_labels: gateway_host: node-1 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "The number of subsystems defined to the gateway exceeds supported values on cluster mycluster" description: "Although you may continue to create subsystems in node-1, the configuration may not be supported" # NVMeoFTooManyNamespaces - interval: 1m input_series: - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn1",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn2",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn3",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn4",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn5",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn6",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn7",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn8",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn9",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn10",cluster="mycluster"}' values: '200+0x10' - series: 'ceph_nvmeof_subsystem_namespace_count{instance="node-1:10008",nqn="nqn11",cluster="mycluster"}' values: '200+0x10' promql_expr_test: - expr: sum by(gateway_host, cluster) (label_replace(ceph_nvmeof_subsystem_namespace_count,"gateway_host","$1","instance","(.*):.*")) > 2048 eval_time: 1m exp_samples: - labels: '{gateway_host="node-1", cluster="mycluster"}' value: 2200 alert_rule_test: - eval_time: 5m alertname: NVMeoFTooManyNamespaces exp_alerts: - exp_labels: gateway_host: node-1 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "The number of namespaces defined to the gateway exceeds supported values on cluster mycluster" description: "Although you may continue to create namespaces in node-1, the configuration may not be supported" # NVMeoFVersionMismatch - interval: 1m input_series: - series: 'ceph_nvmeof_gateway_info{version="0.0.7",cluster="mycluster"}' values: '1+0x80' - series: 'ceph_nvmeof_gateway_info{version="1.0.0",cluster="mycluster"}' values: '1+0x80' promql_expr_test: - expr: count(count(ceph_nvmeof_gateway_info) by (cluster, version)) by (cluster) > 1 eval_time: 1m exp_samples: - labels: '{cluster="mycluster"}' value: 2 alert_rule_test: - eval_time: 1h alertname: NVMeoFVersionMismatch exp_alerts: - exp_labels: severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "Too many different NVMe-oF gateway releases active on cluster mycluster" description: "This may indicate an issue with deployment. Check cephadm logs" # NVMeoFHighClientCount - interval: 1m input_series: - series: 'ceph_nvmeof_subsystem_host_count{nqn="nqn1",cluster="mycluster"}' values: '2 4 8 10 20 30 40 50 62 74 80 95 100 110 130 130 130 130 130 130' - series: 'ceph_nvmeof_subsystem_host_count{nqn="nqn2",cluster="mycluster"}' values: '2 8 16 16 16 16 16 16 16 16 20 20 32 34 34 36 37 37 37 37' promql_expr_test: - expr: ceph_nvmeof_subsystem_host_count > 128.00 eval_time: 15m exp_samples: - labels: '{__name__="ceph_nvmeof_subsystem_host_count",nqn="nqn1",cluster="mycluster"}' value: 130 alert_rule_test: - eval_time: 20m alertname: NVMeoFHighClientCount exp_alerts: - exp_labels: nqn: nqn1 severity: warning cluster: mycluster type: ceph_default exp_annotations: summary: "The number of clients connected to nqn1 is too high on cluster mycluster" description: "The supported limit for clients connecting to a subsystem is 128" # NVMeoFMissingListener - interval: 1m input_series: - series: 'ceph_nvmeof_subsystem_listener_count{nqn="nqn1", instance="node-1:9100"}' values: '0 0 0 0 0 0 0 0 0 0 0' - series: 'ceph_nvmeof_subsystem_listener_count{nqn="nqn1", instance="node-2:9100"}' values: '1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_nvmeof_subsystem_listener_count{nqn="nqn1", instance="node-3:9100"}' values: '1 1 1 1 1 1 1 1 1 1 1' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.1", instance="node-1:9100"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.2", instance="node-2:9100"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.3", instance="node-3:9100"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.4", instance="node-4:9100"}' values: '1+0x20' promql_expr_test: - expr: ceph_nvmeof_subsystem_listener_count == 0 and on(nqn) sum(ceph_nvmeof_subsystem_listener_count) by (nqn) > 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_nvmeof_subsystem_listener_count", instance="node-1:9100", nqn="nqn1"}' value: 0 alert_rule_test: - eval_time: 10m alertname: NVMeoFMissingListener exp_alerts: - exp_labels: instance: node-1:9100 nqn: nqn1 severity: warning type: ceph_default exp_annotations: summary: "No listener added for node-1:9100 NVMe-oF Gateway to nqn1 subsystem" description: "For every subsystem, each gateway should have a listener to balance traffic between gateways." # NVMeoFZeroListenerSubsystem - interval: 1m input_series: - series: 'ceph_nvmeof_subsystem_listener_count{nqn="nqn1"}' values: '0 0 0 0 0 0 0 0' - series: 'ceph_nvmeof_subsystem_listener_count{nqn="nqn2"}' values: '0 1 1 1 2 2 3 4' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.1"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.2"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.3"}' values: '1+0x20' - series: 'ceph_nvmeof_gateway_info{addr="1.1.1.4"}' values: '1+0x20' promql_expr_test: - expr: ceph_nvmeof_subsystem_listener_count == 0 eval_time: 1m exp_samples: - labels: '{__name__="ceph_nvmeof_subsystem_listener_count",nqn="nqn1"}' value: 0 alert_rule_test: - eval_time: 10m alertname: NVMeoFZeroListenerSubsystem exp_alerts: - exp_labels: nqn: nqn1 severity: warning type: ceph_default exp_annotations: summary: "No listeners added to nqn1 subsystem" description: "NVMeoF gateway configuration incomplete; one of the subsystems have zero listeners." # NVMeoFHighHostCPU - interval: 1m input_series: - series: 'node_cpu_seconds_total{mode="idle",instance="node-1:9100",cpu="0",cluster="mycluster"}' values: '0+18x10 180+9x20' - series: 'node_cpu_seconds_total{mode="idle",instance="node-1:9100",cpu="1",cluster="mycluster"}' values: '0+18x10 180+9x20' - series: 'ceph_nvmeof_gateway_info{instance="node-1:10008",cluster="mycluster"}' values: '1.00+0x20' promql_expr_test: - expr: 100-((100*(avg by(host) (label_replace(rate(node_cpu_seconds_total{mode="idle"}[5m]),"host","$1","instance","(.*):.*")) * on(host) group_right label_replace(ceph_nvmeof_gateway_info,"host","$1","instance","(.*):.*")))) >= 80 eval_time: 16m exp_samples: - labels: '{host="node-1",instance="node-1:10008",cluster="mycluster"}' value: 85 alert_rule_test: # negative match at 15m - eval_time: 15m alertname: NVMeoFHighHostCPU # positive match at 25m - eval_time: 25m alertname: NVMeoFHighHostCPU exp_alerts: - exp_labels: instance: node-1:10008 host: node-1 cluster: mycluster severity: warning type: ceph_default exp_annotations: summary: "The CPU is high (85%) on NVMeoF Gateway host (node-1) on cluster mycluster" description: "High CPU on a gateway host can lead to CPU contention and performance degradation" # NVMeoFInterfaceDown - triggered on eth0 only - interval: 30s input_series: - series: 'ceph_nvmeof_subsystem_listener_iface_info{operstate="down", device="eth0", cluster="mycluster"}' values: '1+0x30' - series: 'ceph_nvmeof_subsystem_listener_iface_info{operstate="up", device="eth1", cluster="mycluster"}' values: '1+0x30' promql_expr_test: - expr: ceph_nvmeof_subsystem_listener_iface_info{operstate="down"} eval_time: 1m exp_samples: - labels: '{__name__="ceph_nvmeof_subsystem_listener_iface_info", device="eth0", operstate="down", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 5m alertname: NVMeoFInterfaceDown exp_alerts: - exp_labels: oid: 1.3.6.1.4.1.50495.1.2.1.14.1 operstate: down device: eth0 cluster: mycluster severity: warning type: ceph_default exp_annotations: summary: "Network interface eth0 is down on cluster mycluster" description: "A NIC used by one or more subsystems is in a down state" # NVMeoFInterfaceDuplex - triggered on eth1 only - interval: 30s input_series: - series: 'ceph_nvmeof_subsystem_listener_iface_info{duplex="full", device="eth0", cluster="mycluster"}' values: '1+0x30' - series: 'ceph_nvmeof_subsystem_listener_iface_info{duplex="half", device="eth1", cluster="mycluster"}' values: '1+0x30' promql_expr_test: - expr: ceph_nvmeof_subsystem_listener_iface_info{duplex!="full"} eval_time: 30s exp_samples: - labels: '{__name__="ceph_nvmeof_subsystem_listener_iface_info", device="eth1", duplex="half", cluster="mycluster"}' value: 1 alert_rule_test: - eval_time: 5m alertname: NVMeoFInterfaceDuplex exp_alerts: - exp_labels: duplex: half device: eth1 cluster: mycluster severity: warning type: ceph_default exp_annotations: summary: "Network interface eth1 is not running in full duplex mode on cluster mycluster" description: "Until this is resolved, performance from the gateway will be degraded" # NVMeoFHighReadLatency - interval: 30s input_series: - series: 'ceph_nvmeof_bdev_read_seconds_total{instance="node-1:10008",bdev_name="disk1",cluster="mycluster"}' values: '0+1680x10 19800+3000x20' - series: 'ceph_nvmeof_bdev_reads_completed_total{instance="node-1:10008",bdev_name="disk1",cluster="mycluster"}' values: '0+286000x10 2980000+120000x20' promql_expr_test: - expr: label_replace((avg by(instance) ((rate(ceph_nvmeof_bdev_read_seconds_total[1m]) / rate(ceph_nvmeof_bdev_reads_completed_total[1m])))),"gateway","$1","instance","(.*):.*") > 0.02 eval_time: 10m exp_samples: - labels: '{gateway="node-1",instance="node-1:10008"}' value: 0.025 alert_rule_test: # negative test - latency is lower than 0.02s - eval_time: 4m alertname: NVMeoFHighReadLatency # positive test - latency is higher than 0.02s - eval_time: 15m alertname: NVMeoFHighReadLatency exp_alerts: - exp_labels: gateway: node-1 instance: node-1:10008 severity: warning type: ceph_default exp_annotations: summary: "The average read latency over the last 5 mins has reached 10 ms or more on node-1" description: "High latencies may indicate a constraint within the cluster e.g. CPU, network. Please investigate" # NVMeoFHighWriteLatency - interval: 30s input_series: - series: 'ceph_nvmeof_bdev_write_seconds_total{instance="node-1:10008",bdev_name="disk1",cluster="mycluster"}' values: '0+1680x10 19800+3000x20' - series: 'ceph_nvmeof_bdev_writes_completed_total{instance="node-1:10008",bdev_name="disk1",cluster="mycluster"}' values: '0+286000x10 2980000+120000x20' promql_expr_test: - expr: label_replace((avg by(instance) ((rate(ceph_nvmeof_bdev_write_seconds_total[1m]) / rate(ceph_nvmeof_bdev_writes_completed_total[1m])))),"gateway","$1","instance","(.*):.*") > 0.02 eval_time: 10m exp_samples: - labels: '{gateway="node-1",instance="node-1:10008"}' value: 0.025 alert_rule_test: # negative test - latency is lower than 0.02s - eval_time: 4m alertname: NVMeoFHighWriteLatency # positive test - latency is higher than 0.02s - eval_time: 15m alertname: NVMeoFHighWriteLatency exp_alerts: - exp_labels: gateway: node-1 instance: node-1:10008 severity: warning type: ceph_default exp_annotations: summary: "The average write latency over the last 5 mins has reached 20 ms or more on node-1" description: "High latencies may indicate a constraint within the cluster e.g. CPU, network. Please investigate"