[Xen-users] FAQ: How to backup for recovery?

["Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx>]

Hi!

DomUs can be backed up just fine, and there's no problem to restore files as 
long 
as the DomU boots. Now I wonder how to recover hard (desaster recovery)...
Backing up the disk images or partitions (from Dom0) seems to be not an option, 
because there are changes to them all the time, so incremental backups would 
always save them, and all saves would be inconsistent.

Now the idea is this: Provide a tool that extracts the "structure of a 
partition 
or image file" into some data file or script that can be used to recrerate that 
container later. Then my idea was to loop-mount the thing (yet unsure how to do 
that for partitions and files that are "harddisks" for DomU), and restore the 
backup to those.

Maybe a "mini-root" (rescue system) as tar archive would be helpful as well.
I'd like to see these issues discussed at least in the docs.

Regards,
Ulrich


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