openstack team mailing list archive

[Wolfgang Hennerbichler <wolfgang.hennerbichler@xxxxxxxxxxxxxxxx>]

You could solve something like this with bacula incremental backups, I'm 
doing this (but not with openstack) like this:
make an lvm snapshot (or qcow2 snapshot) of the instance, write a script 
that mounts the filesystem and let bacula back it up (incrementally). 
bacula can do the actual snapshotting and mounting, so you don't need to 
coordinate when to create a snapshot and so on. this works very well, 
but is hard to configure, too. to restore the machine, one creates a lv 
in my case and restores the whole filesystem there. This works very well 
for linux vms, might be harder with windows vms.

Wolfgang

On 07/23/2012 05:22 AM, Kobagana Kumar wrote:
> Hi All,
>
> I am working on *Delta Changes *of an instance. Can you please tell me
>
> The procedure to take *Incremental Backups (Delta Changes) *of VMs,
>
> instead of taking the snapshot of entire instance.
>
> And also please tell me how to apply those delta changes to instance.
>
> *Thanks & Regards,***
>
> *Bharath Kumar Kobagana*
>
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--
DI (FH) Wolfgang Hennerbichler
Software Development
Unit Advanced Computing Technologies
RISC Software GmbH
A company of the Johannes Kepler University Linz

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