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| author | Song Liu <songliubraving@fb.com> | 2015-10-09 07:51:42 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.com> | 2015-10-19 04:06:07 +0200 |
| commit | ed94976d84768b2ef648c3af1d81f1a36de9f9e2 (patch) | |
| tree | 77b2c5f0d1b8161e2844c5e6e43536b9264c121e /super1.c | |
| parent | add macros for MD_DISK_ROLE_(SPARE/FAULTY) (diff) | |
| download | mdadm-ed94976d84768b2ef648c3af1d81f1a36de9f9e2.tar.xz mdadm-ed94976d84768b2ef648c3af1d81f1a36de9f9e2.zip | |
Show device as journal in --detail --examine
Example output:
./mdadm --detail /dev/md127
/dev/md127:
Version : 1.2
Creation Time : Wed May 13 17:01:12 2015
Raid Level : raid5
Array Size : 11720662464 (11177.69 GiB 12001.96 GB)
Used Dev Size : 3906887488 (3725.90 GiB 4000.65 GB)
Raid Devices : 4
Total Devices : 5
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Wed May 13 17:01:12 2015
State : clean
Active Devices : 4
Working Devices : 5
Failed Devices : 0
Spare Devices : 1
Layout : left-symmetric
Chunk Size : 32K
Name : 0
UUID : 8fb9ee05:3831d52f:e5c23825:28cd6881
Events : 0
Number Major Minor RaidDevice State
0 8 32 0 active sync /dev/sdc
1 8 48 1 active sync /dev/sdd
2 8 64 2 active sync /dev/sde
3 8 80 3 active sync /dev/sdf
4 8 17 - journal /dev/sdb1
./mdadm -E /dev/sdb2
/dev/sdb2:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x201
Array UUID : 562b2334:35b9bcc1:add50892:1f30c4bd
Name : 0
Creation Time : Thu Aug 27 12:55:26 2015
Raid Level : raid5
Raid Devices : 15
Avail Dev Size : 249796608 (119.11 GiB 127.90 GB)
Array Size : 54696423936 (52162.57 GiB 56009.14 GB)
Used Dev Size : 7813774848 (3725.90 GiB 4000.65 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
Unused Space : before=262056 sectors, after=0 sectors
State : active
Device UUID : 5015e522:d39ba566:5909cf3c:9c51f2ff
Internal Bitmap : 8 sectors from superblock
Update Time : Thu Aug 27 13:16:55 2015
Bad Block Log : 512 entries available at offset 72 sectors
Checksum : 4e6fd76d - correct
Events : 262
Layout : left-symmetric
Chunk Size : 256K
Device Role : Journal
Array State : AAAAAAAAAAAAAAA ('A' == active, '.' == missing, 'R' == replacing)
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'super1.c')
| -rw-r--r-- | super1.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -126,6 +126,7 @@ struct misc_dev_info { */ #define MD_FEATURE_NEW_OFFSET 64 /* new_offset must be honoured */ #define MD_FEATURE_BITMAP_VERSIONED 256 /* bitmap version number checked properly */ +#define MD_FEATURE_JOURNAL 512 /* support write journal */ #define MD_FEATURE_ALL (MD_FEATURE_BITMAP_OFFSET \ |MD_FEATURE_RECOVERY_OFFSET \ |MD_FEATURE_RESHAPE_ACTIVE \ @@ -134,6 +135,7 @@ struct misc_dev_info { |MD_FEATURE_RESHAPE_BACKWARDS \ |MD_FEATURE_NEW_OFFSET \ |MD_FEATURE_BITMAP_VERSIONED \ + |MD_FEATURE_JOURNAL \ ) /* return how many bytes are needed for bitmap, for cluster-md each node @@ -484,6 +486,8 @@ static void examine_super1(struct supertype *st, char *homehost) role = MD_DISK_ROLE_SPARE; if (role >= MD_DISK_ROLE_FAULTY) printf("spare\n"); + else if (role == MD_DISK_ROLE_JOURNAL) + printf("Journal\n"); else if (sb->feature_map & __cpu_to_le32(MD_FEATURE_REPLACEMENT)) printf("Replacement device %d\n", role); else @@ -995,6 +999,11 @@ static void getinfo_super1(struct supertype *st, struct mdinfo *info, char *map) case MD_DISK_ROLE_FAULTY: info->disk.state = 1; /* faulty */ break; + case MD_DISK_ROLE_JOURNAL: + info->disk.state = (1 << MD_DISK_JOURNAL); + info->disk.raid_disk = role; + info->space_after = (misc->device_size - info->data_offset) % 8; /* journal uses all 4kB blocks*/ + break; default: info->disk.state = 6; /* active and in sync */ info->disk.raid_disk = role; |