Re: Raid1 where Event Count off my 1 cannot assemble --force

[NeilBrown <neilb@suse.de>]

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On Sun, 08 Dec 2013 22:28:11 -0600 "David C. Rankin"
<drankinatty@suddenlinkmail.com> wrote:

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> On 12/08/2013 07:00 PM, NeilBrown wrote:
> > What version of mdadm do you have?  It looks like it should be cleverer than 
> > it is.
> > 
> > What if you add "--update=no-bitmap" to the --assemble line? As the bitmap
> > seems to be causing problem, ignoring it might help.
> > 
> > NeilBrown
> 
> I tried that too Neil, it said:
> 
> nemtemp:/mnt # mdadm --verbose --assemble --force --update=no-bitmap /dev/md1
> /dev/sd[ab]5
> mdadm: '--update=no-bitmap' is invalid.  Valid --update options are:
>      'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',
>      'summaries', 'homehost', 'byteorder', 'devicesize'.
> 
> Like in my reply to Adam, I think the age of mdadm may be the issue. The
> openSuSE 11.0 install DVD is pretty old ;-) It just may not be handling the
> - --assemble correctly given the Event count difference, and there doesn't seem to
> be a way to just tell it:
> 
> "The data is correct on both disks, just assemble and run it and be quiet!"
> 
> I'll try booting an Arch install CD with 3.3.2 on it and report back. Thank you
> and Adam for your help.
> 
> If it does assemble with mdadm 3.3.2, anything I need to do on the assembled
> array to make sure it stays that way? fsck? Any way to tell it to make sure it
> is in sync so it will boot under the openSuSE 11.0 version of mdadm?
> 

Once you get any kernel to successfully assemble the array, any other
kernel/mdadm should be able to as well.

NeilBrown
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