Re: RAID5 won't mount after reducing disks from 8 to 6

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On 02/16/2011 08:39 PM, Matt Tehonica wrote:
> Thanks for the response!  All I did was truncate the array using "mdadm --grow /dev/md0 --array-size" and then resize the array using "mdadm --grow /dev/md0 --raid-devices=6" so I guess I didn't resize the XFS FS first.  Is that something I can do now or am I screwed?

Ouch.  I don't know if you are screwed.  Unless you wrote to it, in which case you probably are.  But you haven't been able to mount it, I presume, so you might be OK.  It depends on whether the reshape is reversible.  If it's not reversible, you'll have to ask the XFS experts xfs@xxxxxxxxxxx or linux-xfs@xxxxxxxxxxxxxxx

Neil?
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