Le samedi 19 mars 2011 14:44:40, Xavier Brochard écrivait :
> Le samedi 19 mars 2011 02:42:47 NeilBrown, vous avez écrit :
> > I suggest you:
> > mdadm --zero /dev/sdb1
> >
> > having first double-checked that sdb1 is the devices with Events of 154,
> >
> > then
> >
> > mdadm -S /dev/md0
> > mdadm -As /dev/md0
> >
> > and let the array rebuild the spare.
> > Then check the data and make sure it is all good.
> > Then add /dev/sdb1 back in as the spare
> >
> > mdadm /dev/md0 --add /dev/sdb1
> >
> > and everything should be fine - providing you don't hit any hardware
> > errors etc.
>
> It didnt work, until I've stopped the raid array:
> mdadm --zero /dev/sdg1
> mdadm: Couldn't open /dev/sdg1 for write - not zeroing
>
> is that normal, can I continue?
so far I've done:
mdam -S /dev/md0
mdadm --zero /dev/sdg1
mdadm -As /dev/md0 --config=/path/to/config
mdadm: /dev/md0 has been started with 2 drives (out of 4) and 1 spare.
ot started to recover:
md0 : active raid10 sdc1[1] sdf1[4] sde1[3]
976767872 blocks 64K chunks 2 near-copies [4/2] [_U_U]
[>....................] recovery = 0.3% (1468160/488383936)
finish=66.3min speed=122346K/sec
but why did it started md0 with 2 drives and not with 3 drives?
Xavier
xavier@xxxxxxxxxxxxxx - 09 54 06 16 26
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