Unrecoverable UFS error but only with gmirror

[Stefan Bethke]

Am 11.07.2009 um 15:30 schrieb Bernd Walter:

> On Sat, Jul 11, 2009 at 02:54:01PM +0200, Stefan Bethke wrote:
>> gmirror and/or ufs got into an odd state after a panic, where fsck
>> could not fix errors on the mirror device, but each member filesystem
>> was fine.  Even after destroying the mirror, fixing all three member
>> file systems with fsck, and recreating the mirror with just a single
>> member fsck found the same errors on the mirror device.
>
> You've created the partitions without mirror?
> The member drives are one block larger than the mirrored and if the
> filesystem tries to use it under mirror it will fail.
> The easiest way to avoid is to create the gmirror and then setup
> your partitions on the mirror.

No, I've newfs'ed the mirror device, not the disk partitions, so that  
shouldn't be the problem.  Unless gmirror fails to subtract the  
metadata sector from the mirror device.


Stefan

-- 
Stefan Bethke <stb at lassitu.de>   Fon +49 151 14070811