On Fri, Sep 26, 2014 at 12:38 PM, Carl Wilhelm Soderstrom
<chr...@real-time.com> wrote:
> On 09/26 09:39 , xpac wrote:
>> An entire server?
>
> Yep. I've done many disaster recoveries of entire linux servers which were
> backed up with rsync. Linux doesn't have the file-locking issues of Windows,
> so backups are just taking copies of every file on the system, and recovery
> is just a matter of booting with a rescue disk like Knoppix, creating
> partitions and filesystems, then streaming the tarball from the BackupPC
> server to the target machine using netcat (or it could be done over SSH).
>
> Bare metal restores are something like this, once you've created the
> filesystems.
>
> On the server side:
> backuppc$ /usr/share/backuppc/bin/BackupPC_tarCreate <options>| netcat
> <targethost>
> <targetport>
>
> On the target side:
> root# netcat -l <targetport> | tar xvp
Do you keep something that formally tracks the
lvm/mdraid/partition/filesystem layout on all of the machines you back
up so you know what you need to re-create? And have you looked at
'rear'? I think it could be an interesting combination of tools if
the rear scripts just built its bootable iso layout in a directory on
the local server instead of making the iso image, and you let backuppc
include that in the backup (so all of the included files would be
pooled). Then your restore procedure would be to restore the directory
with the iso contents somewhere, burn it, boot the replacement system
with it, and when it gets to the right point, restore the whole system
into it. Rear is all shell scripts using native system tools so it
shouldn't be that hard and would end up barely taking any extra space.
--
Les Mikesell
lesmikes...@gmail.com
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