How to backup samba4

[Kristian Rasmussen]

On 24.08.2012 13:04, Stefan (metze) Metzmacher wrote:
> Please not that you should never restore a dc from backup
> if at least one other dc is still working! If you do that
> you'll corrupt the directory as the replication meta data
> get out of sync!
>
Is this by design, or is it a bug or due to missing functionality that
will be added later?