I don't think another instance of backuppc would work "very well" for a 
number of reasons.  However, I think you could do well with copying the 
raw block device over netcat or ssh.  If you are using LVM for the 
backuppc data you could take a snapshot and not affect regular backups, 
otherwise you should stop backuppc and unmount the partition first (you 
are using a dedicated partition, right? ;-) )

Couple tips if you try this:  set the readahead on the block dev fairly 
high before you start dd (blockdev --setra 16384 /dev/device).   Then 
pipe it out with dd and compress it with lzop ( dd if=/dev/device bs=10M 
| lzop -1c |nc host port).  On the receiving end you'd run something 
like  nc -l -p port >diskdump.  This is what I use for LAN, but for slow 
links you'd probably want more compression.  For good measure you might 
want to zero out the extra space on the drive before you dump it (dd 
if=/dev/zero of=blah bs=1M ; rm blah).

Of course, this would require quite a bit of disk space and would limit 
your backup intervals and retention policies...  Any other ideas, List?

brien

Fabio Milano wrote:
> Hi,
>
> How do I backup my BackupPC server?
>
> Can I use one BackupPC server to backup another BackupPC server?
>
> Scenario I need to solve is:
>
> Servers backup to BackupPC server at office, and BackupPC server needs
> to be backed-up to offsite server.
>
> thnks
>
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