On 15-04-13 12:26, Ben Bucksch wrote:
Oliver Schinagl wrote, On 14.04.2013 19:30:
mdadm --assemble --run --force /dev/md0 /dev/sd[1-7].
Make sure to mdadm --stop /dev/md0 before trying to assemble it.
# mdadm --stop /dev/md0
mdadm: stopped /dev/md0
# mdadm --assemble --run --force /dev/md0 /dev/sd[jlmnopq]
mdadm: failed to RUN_ARRAY /dev/md0: Input/output error
mdadm: Not enough devices to start the array.
# cat /proc/mdstat
md0 : inactive sdj[0] sdq[7] sdn[6] sdp[5] sdo[4] sdm[3]
5860574976 blocks
(Note that sdl is not even listed)
# mdadm --re-add /dev/md0 /dev/sdl
mdadm: re-added /dev/sdl
That can't work I don't think. You want to create a degraded raid5
array, e.g. 7 disks. It tried (and failed) to create a 6 disk array.
Re-adding sdl will make it won't to resync. How you can force that
however I don't know. I hoped for you that the above command would
actually do that.
# cat /proc/mdstat
md0 : inactive sdl[8](S) sdj[0] sdq[7] sdn[6] sdp[5] sdo[4] sdm[3]
6837337472 blocks
Now, sdl is listed, but as spare. I need it to be treated not as
spare, but as good drive with correct data (well, almost, 2 events off
only). How do I do that?
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