On 7/3/11 12:31 PM, Holger Parplies wrote:
>
> unless I missed something, I'd say XFS is perfectly stable - more stable than
> reiserfs in any case. The only thing that makes me hesitate with that 
> statement
> is Les' remark "XFS should also be OK on 64-bit systems" - why only on 64 bit
> systems? [Of course, for really large pools, a 64 bit system would be
> preferable with XFS.]

It may not apply to all distributions, but at least Red Hat/CentOS use 4k 
stacks 
in the 32-bit kernel builds and XFS isn't happy with that.


>        Concerning bare metal recovery, how do you plan to do that? Restoring
>        to the target host requires an installed and running system, restoring
>        to a naked new disk mounted<somewhere>  requires a plan how to do that
>        with BackupPC, as well as some preparation (partitioning, file systems)
>        and some modifications afterwards (boot loader, /etc/fstab, ...).
>        BackupPC is not designed to handle all of that alone, though it will
>        obviously handle a large part of the task if that is how you want to
>        use it.

As long as you know the approximate sizes of the partitions you need, you can 
use a Linux livecd to boot on a new machine, make the partitions and 
filesystems, mount them somewhere, then ssh an appropriate BackupPC_tarCreate 
command to the backuppc server and pipe to a local tar to drop it in place. 
But, it's a lot of grunge work and may take some practice.

This project: http://rear.sourceforge.net/ seems to have all the missing pieces 
to save a description of the disk layout and make a bootable iso that will 
reconstruct it, but it would take some work to integrate the parts with 
backuppc.

-- 
    Les Mikesell
     lesmikesell AT gmail DOT com


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