Thanks for the replies, I think that's most of the questions answered. I'll not bother backing up any VMs, as they won't contain anything worth backing up. Can anybody answer the last couple of remaining questions?
On ven, 2014-07-18 at 14:35 +1000, Russell Coker wrote: > Ignoring directories in send/recv is done by subvol. Even if you use > rsync it's a good idea to have different subvols for directory trees > with different backup requirements. So, an inner subvol won't be backed up? If I wanted a full backup, I would presumably get snapshots of each subvol separately, right? > Displaying backups is an issue of backup software. It is above the > level that BTRFS development touches. While people here can probably > offer generic advice on backup software it's not the topic of the > list. As said, I don't mind developing the software. But, is the required information easily available? Is there a way to get a diff, something like a list of changed/added/removed files between snapshots? If I want to create a backup view, I could start with just a file view of the most recent snapshot, but is there a way I can quickly get a list of additional files in the other snapshots that are not present in the most recent one (files that have been deleted)? And, finally, nobody has mentioned on the possibility of merging multiple snapshots into a single snapshot. Would this be possible, to create a snapshot that contains the most recent version of each file present across all of the snapshots (including files which may be present in only one of the snapshots)?
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