You could do this, and many other things to back up your BackupPC server
differently from your other hosts. The best reason not to is the law of
diminishing returns.
My BackupPC server uses SSH+rsync directly as root, and archives
everything from / down, except for virtual filesystems
and /var/lib/backuppc itself. It finishes a full in 20 minutes and and
incremental in ten. This is about as fast as the other servers it
archives.
So, do you implement (and support) a totally different method for the
local host, using a dangerously powerful setuid executable that is
detached from your package manager (not receiving updates), just to save
a few minutes?
Or do you just use what works well enough to begin with, and which is
identical to your other backups?
Regards,
Tyler
On Wed, 2010-11-17 at 09:55 +0000, Pedro M. S. Oliveira wrote:
> Hi,
> I'm a bit late on this conversation, but why not use rsync instead of tar on
> the local machine?
> I'm not talking about rsync over ssh to localhost but plain old rsync. I can
> see some advantages (on speed, diskspace, and cputime).
> Here's how i did it:
>
> 1 - copy your rsync executable file to your backuppc bin directory
> 2 - set this rsync suid root, be sure to only allow this rsync to be executed
> by backuppc user.
> 3 - on localhost setup on backuppc config set:
> RsyncClientPath = /opt/BackupPC/bin/rsync
> RsyncClientCmd = /opt/BackupPC/bin/rsync $argList+
> RsyncClientRestoreCmd = $rsyncPath $argList+
>
> This way you can continue to use rsync on the local machine without the
> overhead of ssh and tcp/ip.
> Don't forget to save backuppc config (/etc/backuppc) to somewhere else to be
> easier to restore the config in case of need.
> And if you are backingup / don't forget to exclude /mnt /dev /sys /media /mnt
> /proc
>
> If you need some assistance with this setup just drop me a line
>
> Cheers,
> Pedro
--
"A competent and self-confident person is incapable of jealousy in
anything. Jealousy is invariably a symptom of neurotic insecurity."
-- Lazarus Long, "Time Enough for Love", by Robert A. Heinlein
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