bin/94635: snapinfo/libufs only works for disk-backed
filesystems
Ceri Davies
ceri at submonkey.net
Sun Mar 19 19:50:29 UTC 2006
The following reply was made to PR bin/94635; it has been noted by GNATS.
From: Ceri Davies <ceri at submonkey.net>
To: FreeBSD-gnats-submit at freebsd.org
Cc:
Subject: Re: bin/94635: snapinfo/libufs only works for disk-backed filesystems
Date: Sun, 19 Mar 2006 19:49:08 +0000
This gets worse. Although "snapinfo /tmp" doesn't find any snapshots on
/tmp (although there are some):
# snapinfo -v /tmp
ufs_disk_fillout: No such file or directory
(null) mounted on
no snapshots found
snapinfo -a finds files that are *not* snapshots, indicating that some
counter is being incremented incorrectly - note the /tmp/sess* entries -
they're not snapshots, they just have the same inode number on /tmp as
some snapshots on /)::
# snapinfo -av
ufs_disk_fillout: No such file or directory
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
ufs_disk_fillout: Unknown error: 0
/dev/ad0s1a mounted on /
snapshot /.snap/20060314-005900 (inode 23)
snapshot /.snap/20060315-005901 (inode 74)
snapshot /.snap/20060316-005900 (inode 86)
snapshot /.snap/20060317-005900 (inode 14)
snapshot /.snap/20060318-005900 (inode 21)
snapshot /.snap/20060319-005900 (inode 73)
snapshot /.snap/20060319-172149 (inode 102)
/dev/ad0s1a mounted on /
snapshot /tmp/sess_ffad24fb1391f4dba12ccc8bcbc09095 (inode 23)
snapshot /tmp/sess_946be72ae10b39fc412ca4f4969aa9cd (inode 14)
snapshot /tmp/sess_200df409893ec1b4fdd68c77e5cc2517 (inode 21)
/dev/ad0s1f mounted on /usr
snapshot /usr/.snap/20060319-171958 (inode 2242)
snapshot /usr/.snap/20060319-180812 (inode 2243)
/dev/mirror/userhome mounted on /usr/home
snapshot /usr/home/.snap/20060314-005900 (inode 12)
snapshot /usr/home/.snap/20060315-005901 (inode 13)
snapshot /usr/home/.snap/20060316-005900 (inode 15)
snapshot /usr/home/.snap/20060317-005900 (inode 4)
snapshot /usr/home/.snap/20060318-005900 (inode 6)
snapshot /usr/home/.snap/20060319-005900 (inode 10)
snapshot /usr/home/.snap/20060319-172007 (inode 16)
snapshot /usr/home/.snap/20060319-172149 (inode 17)
/dev/ad0s1e mounted on /usr/local/pgsql
no snapshots found
/dev/ad1s1a mounted on /usr/ports
no snapshots found
/dev/ad1s1f mounted on /var
no snapshots found
/dev/ad0s1g mounted on /spare
no snapshots found
/dev/stripe/werehaus mounted on /a
snapshot /a/.snap/20060314-005900 (inode 3474)
snapshot /a/.snap/20060315-005901 (inode 3884)
snapshot /a/.snap/20060316-005900 (inode 3887)
snapshot /a/.snap/20060317-005900 (inode 221)
snapshot /a/.snap/20060318-005900 (inode 810)
snapshot /a/.snap/20060319-005900 (inode 1661)
snapshot /a/.snap/20060319-172149 (inode 4155)
/snap/20060318-005900/home mounted on
no snapshots found
/snap/20060318-005900/a mounted on
no snapshots found
/snap/20060318-005900/slash mounted on
no snapshots found
/snap/20060318-005900/tmp mounted on
no snapshots found
/snap/20060319-005900/home mounted on
no snapshots found
/snap/20060319-005900/a mounted on
no snapshots found
/snap/20060319-005900/slash mounted on
no snapshots found
/snap/20060319-171958/usr mounted on
no snapshots found
/snap/20060319-172007/home mounted on
no snapshots found
/snap/20060319-172149/home mounted on
no snapshots found
/snap/20060319-172149/a mounted on
no snapshots found
/snap/20060319-172149/slash mounted on
no snapshots found
/snap/20060319-180812/usr mounted on
no snapshots found
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