[PVE-User] vzdump: backup kvm lvm2 vm. Full backup ok, differential ?

[Dietmar Maurer]

> OK ! Is there a special version of dd (or other software) can dump a LVM
> container (after snapshot) differentially compared to a previous full dump ?
> 
> Theoretically is not complicated .. together with the full dump the program
> can create an hash file (an hash of each block), the full dump can be moved
> to other storage, the differential dump can be create using the (small) hash
> file.

You can use 'xdelta' for that.

- Dietmar