Greets, raid-users,
I would like to ask for hints on how to proceed.
I have a customers server ~500kms away ... running 2 raid5-arrays w/
hotspare:
# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4]
md1 : active raid1 sdb1[1] sda1[0]
104320 blocks [2/2] [UU]
md3 : active raid5 sdd3[3](S) sdc3[2] sdb3[1] sda3[0]
15647104 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
md4 : active raid5 sdd4[3](S) sdc4[2] sdb4[1] sda4[0]
471941376 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
unused devices: <none>
sdb shows errors:
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always
- 13
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age
Offline - 13
--
The customer would now take the server with him and bring it to a fellow
technician who could take out sdb, clone it to a new hdd and re-insert it.
This would be plan A.
Plan B would be that I mark sdb failed now and let the raids rebuild. I
fear that a second hdd might fail when doing this.
All Seagate-drives:
sda, sdb: ST3250310NS
sdc, sdd: ST3250621NS
I also ran a "echo check > /sys/block/mdX/md/sync_action" because this
had helped to remove those errors at another server, unfortunately it
did not help here.
Could you please advise what the better and safer alternative would be?
Thanks a lot, Stefan
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