Hi there! I can't find any Information for my Problem. And I try to explain, what I want.
There is a btrfs-partition on my laptop. I take snapshots every hour from the subvolume @debian. btrfs subvol snapshot @debian @debian-snap1 Then I transfer this snapshot to my external HD btrfs send @debian-snap1 | btrfs receive /backupmountpoint The next snapshot btrfs subvol snapshot @debian @debian-snap2 Transfer is btrfs send -p @debian-snap1 @debian-snap2|btrfs receive /backupmountpoint No magic here, works fine. BUT When i boot from f.e. @debian-snap2, the mechanics doesn't work any longer. btrfs subvol snapshot @debian-snap2 @debian-snap3 this works. btrfs send -p @debian-snap2 debian-snap3 | btrfs receive /backupmountpoint gives me an error, that btrfs can't find a subvol with a proper ID. Ho to do this, if i want to boot from a former snapshot (in case of a mistaken system-upgrade) and i want to transfer the later snapshots to the external HD - only the differences? There is nothing on the internet on this problem (I've found). But i think this is a usecase, which I'm not alone needing it... jakob -- http://xundeenergie.at http://verkehrsloesungen.wordpress.com/ http://cogitationum.wordpress.com/
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