On Wed, Jun 25, 2014 at 12:09:07PM +0200, Jan Schmidt via illumos-zfs wrote: > It seems that we've hit what is described in > https://www.illumos.org/issues/4390. To me it looks like the mentioned fixes > are > only preventing the pool corruption to occur in the first place. > > How to recover a pool with a corrupted space map?
When I had space map corruption I created this evil patch:
http://people.freebsd.org/~pjd/patches/space_map_add_recovery.patch
which did save the pool for me, but your mileage may wary.
All in all, the best option would be to try importing the pool
read-only, backing up the data and recreating the pool.
--
Pawel Jakub Dawidek http://www.wheelsystems.com
FreeBSD committer http://www.FreeBSD.org
Am I Evil? Yes, I Am! http://mobter.com
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