Re: Any hope for a 27 disk RAID6+1HS array with four disks reporting "No md superblock detected"?

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----- Message from tjb@xxxxxxx ---------
    Date: Mon, 09 Feb 2009 09:48:18 -0500
    From: "Thomas J. Baker" <tjb@xxxxxxx>
Reply-To: tjb@xxxxxxx
Subject: Re: Any hope for a 27 disk RAID6+1HS array with four disks reporting "No md superblock detected"?
      To: NeilBrown <neilb@xxxxxxx>
      Cc: linux-raid@xxxxxxxxxxxxxxx

OK, specifying 27 devices worked and I successfully mounted the RAID and
looked around. Thanks again for the guidance! I guess things look OK
(there are directories and files!)

I was wondering if I should fsck it before adding the other two disks
back in or after? Any other words of experience?
----- End message from tjb@xxxxxxx -----

All fsck commands should have a 'dry-run' or 'no-modify' mode in which they just check without attempting to change anything. This should be your first mode of operation.
If everything checks out you can add your spares and regain your redundancy.
Kind regards,
Alex.


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