I assume you're most worried about your server going tango uniform (in a 
fire, simultaneous disk failure, etc), and not "rm -rf *". Correct?

Has anyone successfully used BackupPC on a DRBD (http://www.drbd.org) 
active/passive, or even active/active, cluster? If so, what can you report?

Cheers,
Stephen

On Mon, 29 Dec 2008, Les Mikesell wrote:

> Times Enemy wrote:
>> Greetings.
>>
>> What is the preferred and secure method for using BackupPC to place
>> backups, or a copy of the backups, on a remote server?
>>
>> The goal is to have the local BackupPC ready for most recoveries, and a
>> remote, off-site copy if something happens to the local set.
>>
>
> There are several approaches.  The easiest, if you have enough internet
> bandwidth is to have a completely independent instance running
> elsewhere, perhaps with a VPN tunnel to be able to access the targets.
> Another is to rsync the archive filesystem to a remote machine
> periodically. However, the number of hardlinks in the archive make this
> a problem.  Using rsync 3.x on machines with lots of RAM will help but
> it may still take too long to be practical.
>
> You can also do some kind of filesystem copy to external drives that are
>  rotated offsite.  You still have the issue with hard links so you need
> an image type copy for this.  I do it with a RAID1 set where a 3rd
> member is periodically added, re-synced, and rotated off site. This only
> requires stopping backuppc and unmounting the filesystem momentarly
> while the drive is removed, but the copy keeps the machine busy enough
> for about 2 hours that running backupps wouldn't be practical anyway.
> You could also use LVM snapshots to get about the same effect.
>
> --
>   Les Mikesell
>    lesmikesell AT gmail DOT com
>
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