Date: Tue, 29 Jun 2010 14:33:21 -0400 From: Martin Cracauer <cracauer@cons.org> To: freebsd-questions@freebsd.org Subject: ZFS snapshot question - can I separate out some area later? Message-ID: <20100629183321.GA12571@cons.org>
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I created a raidz ZFS that is mounted on /mnt/backup It has subdirectories (not ZFS filesystems or volumes) like: /mnt/backup/wavehh /mnt/backup/joker [etc] I started taking snapshots long ago, and the snapshots are of backup@<date>, that means top level. NAME USED AVAIL REFER MOUNTPOINT backup@firstwithunk 6.85G - 455G - backup@20090922 3.75G - 452G - backup@20091022 999M - 480G - backup@200910223 2.63G - 482G - backup@20100209 9.10G - 522G - backup@20100210 2.86G - 543G - backup@20100603 26.6K - 513G - Now, I want to store data there that is *not* part of future snapshots taken in that set. Instead the new directory should have it's own set of snapshots, at different times. Is that something I can still do? Given that I currently snapshotted at top level? If I just `zfs create`d /mnt/backup/recordings and start storing data there, will that be outside the other areas's snapshots? I tried doing this but I can't snapshot in there: ~(wings)10# zfs snapshot backup/recordings@test1 cannot create snapshot 'backup/recordings@test1': dataset is busy %% To clarify more, the structure now looks like this 1) /mnt/backup/wavehh # just subdir 2) /mnt/backup/joker # just subdir 3) /mnt/backup/newstuff # `zfs create`d filesystem or volume So I want 1 and 2 in the future snapshots of "backup", and newstuff should have it's own set of snapshots. Am I out of luck after having started to snapshot at top level? Martin -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer/ FreeBSD - where you want to go, today. http://www.freebsd.org/
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