[PVE-User] Incremental vzdump

Adam adam at blackfoot.co.uk
Wed Mar 3 16:32:37 CET 2010

Thanks for your reply.

We do appreciate, and agree with, the intent to not implement a full 
backup solution. However I think there is perhaps a space between third 
party backup solutions and the ability to do OpenVZ/Proxmox specific 
backups on a per container level.

We currently have a third party solution to incrementally backup the 
entire proxmox hosts, but do miss this ability to easily restore a 
specific container, which is where our thoughts are coming from.

As mentioned in my original email we effectively just want to replace 
the final 'tar' part of the vzdump from LVM snapshot to an archive, with 
an rsync to a dir. Rather than re-implement the entire process we 
perhaps think this would be best suited somewhere within the vzdump 
code, making use of the existing LVM snapshot/storage models internal to 

I think perhaps we'll look at putting something together for our 
specific purposes, see how things work out in terms of performance, and 
then look at the possibility of contributing a patch if things work well.

- Adam

On 03/03/2010 12:38, Martin Maurer wrote:
> You are on the right list (there is only one in the moment).
> We do not think that Proxmox VE (vzdump) should be a full backup solutions, there are already a lot of them around with millions of features. The project will focus on the core (Virtualization&  Management). If you keep the container small, vzdump works quite well - use bind mounts to include the big data parts.
> Just think of Bacula and also other open source solution - vzdump can never cover all this. I would use a combination of a backup and vzdump, you already went this way.
> But yes, we accept patches and enhancements for vzdump, I suggest you post in detail what you plan here (before you start implementing)  and you can post patches or if needed, you can get access to svn also.
> Thanks,
> Br, Martin
>> Many thanks,
>> Adam
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