On Fri, 1 Mar 2013, kpn...@pobox.com wrote:
On Fri, Mar 01, 2013 at 12:23:31PM -0500, Daniel Eischen wrote:
Yes, we still use a couple of DLT autoloaders and have nightly
incrementals and weekly fulls. This is the problem I have with
converting to ZFS. Our typical recovery is when a user says
they need a directory or set of files from a week or two ago.
Using dump from tape, I can easily extract *just* the necessary
files. I don't need a second system to restore to, so that
I can then extract the file.
dump (and ufsdump for our Solaris boxes) _just work_, and we
can go back many many years and they will still work. If we
convert to ZFS, I'm guessing we'll have to do nightly
incrementals with 'tar' instead of 'dump' as well as doing
ZFS snapshots for fulls.
What about extended attributes? ACLs? Are those saved by tar?
I think tar (as root or -p) will attempt to preserve those.
--
DE
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