Am Samstag, 18. April 2015, 01:08:44 schrieb Christoph Anton Mitterer: > Hey.
Hi Christoph, > I've seen that this has been asked some times before, and there are > stackoverflow/etc. questions on that, but none with a really good > answer. > > How can I best copy one btrfs filesystem (with snapshots and subvolumes) > into another, especially with keeping the CoW/reflink status of all > files? > And ideally incrementally upgrade it later (again with all > snapshots/subvols, and again not loosing the shared blocks between these > files). > > send/receive apparently also works for just one subvolume,... and > documentation is quite sparse :-/ To make it short and simple: I am not aware of any out of the box solution for this use case. And I think that is just why you didn´t found any. I want to buy a new backup harddisk sometime in the future, and ideally transfer the contents of the current one with all subvolumes and snapshots, but I think except for some old backups that I have only there and I do not have the sources anymore, I will just start from scratch and let it collect its own snapshots. That said, I think it can be scripted. But I am not aware of anyone having done this. I may be missing something, so maybe someone on the list has a recommendation. Ciao, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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