FreeBSD 7.3-Stable / GEOM issue with ZFS attach/replace & zvol's...

[Pawel Jakub Dawidek]

On Thu, Jul 08, 2010 at 07:58:08PM +0100, Karl Pielorz wrote:
> 
> Hi All,
> 
> I posted a few days ago in -fs and -hackers - but never got any reply. I've 
> done some digging around now, and been able to reproduce the problem below 
> on another machine (by sending my ZFS zvol's & snapshots to it).
> 
> I'm running 7.3-STABLE on an amd64, w/10Gb of RAM, and 2 * dual core 
> Opteron 285's.
> 
> In a nutshell: A zfs attach/replace (or similar) on my system results in 
> GEOM iterating through all the 'drives' on the system (which is apparently 
> normal). When it encounters some of my ZFS volume snapshots (which are GELI 
> encrypted) it appears to 'hang' and the zfs attach/replace never completes.
> 
> Remove the snapshot it hangs on - and it hangs on another. Remove all the 
> snapshots/volumes - and the ZFS command completes without issue.
> 
> At the moment this is stopping me from replacing a failing drive which is 
> part of a zpool mirror set :(

This was fixed in r200126, but wasn't MFCed to 7. I recommend upgrading
to 8.1 once it is released.

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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