Date: Fri, 29 Oct 2010 16:24:08 +0200 From: Stefan Bethke <stb@lassitu.de> To: freebsd-fs@freebsd.org Subject: zfs destroy: cannot destroy 'foo': dataset already exists Message-ID: <64465C89-C68B-4436-8937-0D1D49F49BEA@lassitu.de>
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I just came across an issue which appears to (have been) be triggered by = a bug: When trying to incrementally push snapshots with zfs send/recv, I = encountered a snapshot on the target fs which zfs recv complained about. = I was unable to remove the snapshot with zfs destroy. Also, trying to = recursively destroying the whole fs failed: zfs send | zfs recv error: cannot restore to tank/jail/gilb.zs64.net@201010130334: destination = already exists # zfs destroy tank/jail/gilb.zs64.net@201010130034 cannot destroy 'tank/jail/gilb.zs64.net@201010130034': dataset already = exists # zfs destroy -r tank/jail/gilb.zs64.net cannot destroy 'tank/jail/gilb.zs64.net@201010130034': dataset already = exists I came across this post, which helped me recover: http://www.openg.info/entry/destroy-zfs-snapshot-dataset-exists # zdb -d tank | grep % Dataset tank/jail/gilb.zs64.net/%201010130334 [ZPL], ID 5218, cr_txg = 3560162, 8.60G, 323647 objects # zfs destroy tank/jail/gilb.zs64.net/%201010130334 cannot open 'tank/jail/gilb.zs64.net/%201010130334': dataset does not = exist # zfs destroy -r tank/jail/gilb.zs64.net # The post references a Solaris bug CR 6860996. I could not immediately = determine whether this has been ported yet. This is on 8-stable from sept. 21. # zpool status pool: tank state: ONLINE status: The pool is formatted using an older on-disk format. The pool = can still be used, but some features are unavailable. action: Upgrade the pool using 'zpool upgrade'. Once this is done, the pool will no longer be accessible on older software versions. scrub: none requested config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 ad4s1d ONLINE 0 0 0 errors: No known data errors Stefan --=20 Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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