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#!/bin/bash -ex
sudo yum -y install fio
sudo yum -y install sysstat
namespace_range_start=
namespace_range_end=
random_devices_count=
rbd_iostat=false
while [[ $# -gt 0 ]]; do
case "$1" in
--start_ns)
namespace_range_start=$2
shift 2
;;
--end_ns)
namespace_range_end=$2
shift 2
;;
--random_devices)
random_devices_count=$2
shift 2
;;
--rbd_iostat)
rbd_iostat=true
shift
;;
*)
exit 100 # Internal error
;;
esac
done
fio_file=$(mktemp -t nvmeof-fio-XXXX)
all_drives_list=$(sudo nvme list --output-format=json |
jq -r '.Devices | sort_by(.NameSpace) | .[] | select(.ModelNumber == "Ceph bdev Controller") | .DevicePath')
# When the script is passed --start_ns and --end_ns (example: `nvmeof_fio_test.sh --start_ns 1 --end_ns 3`),
# then fio runs on namespaces only in the defined range (which is 1 to 3 here).
# So if `nvme list` has 5 namespaces with "SPDK Controller", then fio will
# run on first 3 namespaces here.
if [ "$namespace_range_start" ] || [ "$namespace_range_end" ]; then
selected_drives=$(echo "${all_drives_list[@]}" | sed -n "${namespace_range_start},${namespace_range_end}p")
elif [ "$random_devices_count" ]; then
selected_drives=$(echo "${all_drives_list[@]}" | shuf -n $random_devices_count)
else
selected_drives="${all_drives_list[@]}"
fi
RUNTIME=${RUNTIME:-600}
cat >> $fio_file <<EOF
[nvmeof-fio-test]
ioengine=${IO_ENGINE:-sync}
bsrange=${BS_RANGE:-4k-64k}
numjobs=${NUM_OF_JOBS:-1}
size=${SIZE:-1G}
time_based=1
runtime=$RUNTIME
rw=${RW:-randrw}
filename=$(echo "$selected_drives" | tr '\n' ':' | sed 's/:$//')
verify=md5
verify_fatal=1
direct=1
EOF
echo "[nvmeof.fio] starting fio test..."
if [ -n "$IOSTAT_INTERVAL" ]; then
iostat_count=$(( RUNTIME / IOSTAT_INTERVAL ))
iostat -d -p $selected_drives $IOSTAT_INTERVAL $iostat_count -h &
fi
if [ "$rbd_iostat" = true ]; then
iterations=$(( RUNTIME / 5 ))
timeout 20 rbd perf image iostat $RBD_POOL --iterations $iterations &
fi
fio --showcmd $fio_file
sudo fio $fio_file
wait
echo "[nvmeof.fio] fio test successful!"
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