Hey
I only have 4 sata slots in my computer and i have a raid5 array of
partitions on those 4 disks.
Today i needed a free sata slots, so i unplugged one of the disks and
booted with knoppix. I then did some work, turned of the computer and
plugged in the disk again.
I should say that i didnt use the array while using knoppix, so
everything should be intact.
I then expected to be able to hotadd the missing partition and use the
array as usual. But its inactive:
# mdadm --detail /dev/md8
mdadm: md device /dev/md8 does not appear to be active.
# cat /proc/mdstat
md8 : inactive sda10[1] sdd10[4] sdc10[3] sdb10[2]
545791744 blocks
I then stopped the array:
# mdadm -S /dev/md8
mdadm: stopped /dev/md8
And tryed to assemble it:
# mdadm --verbose --assemble /dev/md8 /dev/sda10 /dev/sdb10 /dev/sdc10
/dev/sdd10
mdadm: looking for devices for /dev/md8
mdadm: /dev/sda10 is identified as a member of /dev/md8, slot 1.
mdadm: /dev/sdb10 is identified as a member of /dev/md8, slot 2.
mdadm: /dev/sdc10 is identified as a member of /dev/md8, slot 3.
mdadm: /dev/sdd10 is identified as a member of /dev/md8, slot 4.
mdadm: no uptodate device for slot 0 of /dev/md8
mdadm: added /dev/sdb10 to /dev/md8 as 2
mdadm: added /dev/sdc10 to /dev/md8 as 3
mdadm: added /dev/sdd10 to /dev/md8 as 4
mdadm: added /dev/sda10 to /dev/md8 as 1
mdadm: /dev/md8 assembled from 2 drives and 1 spare - not enough to
start the array.
The last line indicate something is wrong, but i have no idea what to
do. (i still expect all the data to be intact)
Any good ideas will be appreciated alot!
/Jacob
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