Date: Sun, 12 Feb 2012 08:12:07 +0000 From: Matthew Seaman <matthew@FreeBSD.org> To: freebsd-fs@FreeBSD.org Subject: ZFS Snapshot problems Message-ID: <4F377457.4080807@FreeBSD.org>
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[-- Attachment #1 --] Since about a week ago I've been intermittently getting a problem where I cannot access a snapshot after creating it: lucid-nonsense:~:# zfs snapshot zroot@test lucid-nonsense:~:# zfs list -t snapshot NAME USED AVAIL REFER MOUNTPOINT zroot@test 67K - 8.36G - lucid-nonsense:~:# cd /.zfs/snapshot/test /.zfs/snapshot/test: Not a directory. This is playing silly buggers with my backups. Apart from that, the system is behaving normally. Nothing in syslog, nothing in dmesg. The only way I've found so far to clear the problem is to reboot, but then the problem seems to recur within a few days. 'zpool status' says everything is fine. 'zpool scrub' has no effect. lucid-nonsense:~:# uname -a FreeBSD lucid-nonsense.infracaninophile.co.uk 8.2-STABLE FreeBSD 8.2-STABLE #2 r231394: Fri Feb 10 20:35:13 GMT 2012 root@lucid-nonsense.infracaninophile.co.uk:/usr/obj/usr/src/sys/LUCID-NONSENSE amd64 lucid-nonsense:~:# zpool upgrade This system is currently running ZFS pool version 28. All pools are formatted using this version. lucid-nonsense:~:# zfs upgrade This system is currently running ZFS filesystem version 5. All filesystems are formatted with the current version. Any clues about how I can debug this, and hopefully prevent it happening? Cheers, Matthew -- Dr Matthew J Seaman MA, D.Phil. PGP: http://www.infracaninophile.co.uk/pgpkey [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.16 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk83dFcACgkQ8Mjk52CukIw1IgCfUkqvyKjPv4KV1W+uhUQ63DKr xuoAniR/zrhn6qIUzzQ/gRTrD9SEE2/f =nooy -----END PGP SIGNATURE-----help
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