Re: RAID 5 rebuild fails with power interruption.

[Goswin von Brederlow <goswin-v-b@web.de>]

<senthilkumar.muthukalai@wipro.com> writes:

> Adding a subject line...
>
> -----Original Message-----
> From: SenthilKumar Muthukalai (WT01 - Telecom Equipment) 
> Sent: Monday, November 16, 2009 9:14 AM
> To: linux-raid@vger.kernel.org
> Subject: 
>
> Hi All,
>
> Could you pls help me out with the below problem?
>
> 1. Created a RAID5 with 3 disks.
> 2. Initial rebuild done.
> 3. Pulled out a disk from the array.
> 4. The array got degraded.
> 5. Added the disk back to the array with 'assemble' command.
> 6. The disk was successfully added and the array started rebuilding
> again.
> 7. While rebuilding, reset the power to the NAS box.
> 8. When the NAS box boot up, the RAID was in degraded with the added
> disk thrown out.
> 9. The boot messages say 'kicking out of the non-fresh disk from the
> array'.
>
> We tried '--force' option with the 'assemble' command but no success.
>
> Thanks,
> Senthil M

mdadm --add /dev/md0 /dev/sdc1

But normaly it should just continue the resync.

MfG
        Goswin