Tim Foster wrote:
Hi Peter,
On Thu, 2006-11-16 at 06:15 -0800, Peter Eriksson wrote:
If I just backup the normal "current" filesystem on this backup server
then I can always restore that and return to some known point -
however all the snapshots are lost so after that crash my users won't
be able to get back old files... I could restore multiple backups from
various dates, but that will use up a lot of disk space.
Have you looked at the incremental zfs send/receive functionality ? It
allows you to take a backup archive of just the chances to a filesystem
between any two snapshots.
You could then take a full backup at a point far back in time, then take
incremental backups after that for each snapshot. There's no automatic
way to do that at the moment, but it should be easily scriptable.
FYI, I am working on a seamless way to send all the incrementals (send
-I) and to send all the filesystems (send -r), as well as preserve the
property settings on your filesystems (recv -p).
--matt
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