Re: Raid 5 to raid 6 reshape failure after reboot

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Hi Neil,

Same result with the latest commit after a reboot.

Maybe the problem comes from the fact that I first try to assemble
the array without providing a backup file ?

For reference I did the following :
mdadm --create /dev/md0 -l 5 -n 3 /dev/sd[bdf]1
mdadm --add /dev/md0 /dev/sde1
[wait for the raid 5 to rebuild]
mdadm --grow /dev/md0 --backup-file backup -l 6 -n 4
[wait a few hours]
reboot
mdadm --assemble /dev/md0 /dev/sd[bdef]1
mdadm --assemble /dev/md0 /dev/sd[bdef]1 --backup-file backup

Any other output you'd need ?

  Guy

On Mon, 19 Oct 2009 07:14:06 +1100
"NeilBrown" <neilb@xxxxxxx> wrote:

> 
> Thanks for doing this testing!
> 
> > Any idea how to resolve this issue ?
> 
> Try pulling the very latest from my git repo.  I was doing some
> testing like this just last week and found a number of issues which I
> think I have fixed.
> 
> NeilBrown
> 

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