[zfs-discuss] How to backup/clone all filesystems *and* snapshots in a z
[zfs-discuss] How to backup/clone all filesystems *and* snapshots in a zpool?
Thu, 16 Nov 2006 06:15:11 PST
Suppose I have a server that is used as a backup system fom many other ("live")
servers. It uses ZFS snapshots to enable people to recover files from any date
a year back (or so).
Now, I want to backup this backup server to some kind of external stable
storage in case disaster happens and this ZFS-backup server's disks gets
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.
Is there some way to "dump" all information from a ZFS filesystem? I suppose I
*could* backup the raw disk devices that is used by the zpool but that'll eat
up a lot of tape space...
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