I’ve been searching high and low the past few days and have been unable to diagnose what this (R) is in my raid1 mdstat output indicates.
It seems something is ‘stuck’ somehow as I’m not sure how the array is both clean and degraded at the same time.
Some insights are welcome.
kernel 4.0.5-300.fc22 (fedora 22)
/proc/mdstat
md127 : active raid1 sdg1[2](R) sdd1[3]
976630464 blocks super 1.2 [2/1] [U_]
bitmap: 8/8 pages [32KB], 65536KB chunk
# mdadm -D /dev/md127 ; mdadm -E /dev/sdg1 ; mdadm -E /dev/sdd1
/dev/md127:
Version : 1.2
Creation Time : Sat Jan 24 10:22:05 2015
Raid Level : raid1
Array Size : 976630464 (931.39 GiB 1000.07 GB)
Used Dev Size : 976630464 (931.39 GiB 1000.07 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Tue Jun 23 14:53:50 2015
State : clean, degraded
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : jail-lnx:ssd-array
UUID : a6277db4:da27d506:916a2c7a:d144aed6
Events : 9594760
Number Major Minor RaidDevice State
2 8 97 0 active sync /dev/sdg1
3 8 49 0 active sync /dev/sdd1
2 0 0 2 removed
/dev/sdg1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x11
Array UUID : a6277db4:da27d506:916a2c7a:d144aed6
Name : jail-lnx:ssd-array
Creation Time : Sat Jan 24 10:22:05 2015
Raid Level : raid1
Raid Devices : 2
Avail Dev Size : 1953261038 (931.39 GiB 1000.07 GB)
Array Size : 976630464 (931.39 GiB 1000.07 GB)
Used Dev Size : 1953260928 (931.39 GiB 1000.07 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
Unused Space : before=262056 sectors, after=110 sectors
State : clean
Device UUID : d5fd7437:1fd04c64:a9327851:b22e8008
Internal Bitmap : 8 sectors from superblock
Update Time : Tue Jun 23 14:53:50 2015
Bad Block Log : 512 entries available at offset 72 sectors
Checksum : fa563013 - correct
Events : 9594760
Device Role : Replacement device 0
Array State : R. ('A' == active, '.' == missing, 'R' == replacing)
/dev/sdd1:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x1
Array UUID : a6277db4:da27d506:916a2c7a:d144aed6
Name : jail-lnx:ssd-array
Creation Time : Sat Jan 24 10:22:05 2015
Raid Level : raid1
Raid Devices : 2
Avail Dev Size : 1953261038 (931.39 GiB 1000.07 GB)
Array Size : 976630464 (931.39 GiB 1000.07 GB)
Used Dev Size : 1953260928 (931.39 GiB 1000.07 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
Unused Space : before=262056 sectors, after=110 sectors
State : clean
Device UUID : fa65731c:d8c703be:bbf05cfe:c89740f2
Internal Bitmap : 8 sectors from superblock
Update Time : Tue Jun 23 14:53:50 2015
Bad Block Log : 512 entries available at offset 72 sectors
Checksum : cfb0b70c - correct
Events : 9594760
Device Role : Active device 0
Array State : R. ('A' == active, '.' == missing, 'R' == replacing)
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
