Re: (mirroring &) ZFS: 9=no-ZFS; 10=yes?; 11=open=ZFS (improved)?

"Richard B. Gilbert" <rgilbert88@xxxxxxxxxxx> writes:
Oh? Last I heard, Sun had not yet released a means of backing up a
ZFS file sytem to tape. There is ufsbackup but no zfsbackup! You can
make a "snapshot" to a direct access device (disk) but not, AFAIK to
tape.
That seems like a pretty big caveat to me!

What do people using ZFS do in lieu of sending tapes off site for
disaster recovery purposes? Ufsbackup of the snapshot?

There are commercial options (Legato Networker), but there are also
simple solutions as well.

First of all, the "zfs send" and "zfs receive" commands are similar in
functionality to ufsbackup/ufsrestore, but without an incremental
mode.

On my own systems, I use:

- Frequent cron-driven snapshots. They're cheap and easy.

- Mirrored pools, because I don't like losing things.

- A simple script that does zfs send into a file, compresses, then
writes out to tape.

- Occasional backups of whole file systems to DVD.

--
James Carlson, Solaris Networking <james.d.carlson@xxxxxxx>
Sun Microsystems / 35 Network Drive 71.232W Vox +1 781 442 2084
MS UBUR02-212 / Burlington MA 01803-2757 42.496N Fax +1 781 442 1677
.

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