Greets,
in a customer-server I run these arrays:
# 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]
So far everything OK.
--
smartctl shows for /dev/sdb:
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always
- 0
195 Hardware_ECC_Recovered 0x001a 058 039 000 Old_age Always
- 146754005
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always
- 13
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age
Offline - 13
(relevant lines as far as I understand ...)
So I have these 13 pending sectors ...
I assume it would be good to swap sdb for safety?
This would mean:
* fail sdb
* wait for the spare to be synced ... which I fear somehow (I once lost
an array as a second drive dropped out while resync ...)
* change sdb
* re-add sdb
correct?
I also read of a way of removing and re-adding a drive to get rid of
these sectors?
Is this a recommended thing to do?
What would you recommend me to do?
Thank you, Stefan
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