[mythtv-users] Totally OT - but need help wit RAID5 array

[Robin Hill]

On Thu Nov 16, 2006 at 01:35:27PM -0500, James Pifer wrote:

> > You can force assembly of the array by using the --force switch.  I'd
> > recommend then mounting read-only and copying the data off before
> > recreating the array with all three drives.  If you don't have enough
> > space, then you can just hot-add the remaining drive and hope that it
> > rebuilds okay.  You'll then also need to do a fsck afterwards to check
> > for any corruptions.
> 
> I'm surprised it didn't complain either, which is frustrating. I'm the
> dumb-a** that didn't keep my data longer, but it would have been nice to
> know the array wasn't created correctly. 
> 
> What command would I use for to force it? I don't want to do anything
> wrong and make my bad situation worse. If I try this I get:
> 
> [root at storage ~]# mdadm --force --assemble /dev/md0 /dev/hdb /dev/hdc
> mdadm: --assemble would set mdadm mode to "assemble", but it is already set to "manage".
> 
> What command(s) should I be using?
> 
Yeah, mdadm is very picky about the order of options.  Try:
        mdadm --assemble /dev/md0 --force /dev/hdb /dev/hdc

Cheers,
        Robin
-- 
     ___        
    ( ' }     |       Robin Hill        <myth at robinhill.me.uk>  |
   / / )      | Little Jim says ....                            |
  // !!       |      "He fallen in de water !!"                 |
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