On Mon, Mar 26, 2012 at 3:56 PM, Felix Blanke <felixblanke@xxxxxxxxx> wrote: > On 3/26/12 10:30 AM, James Courtier-Dutton wrote: >> Is there some tool like rsync that I could copy all the data and >> snapshots to a backup system, but still only use the same amount of >> space as the source filesystem. > I'm not sure if I understand your problem right, but I would suggest: > > 1) Snapshot the subvolume on the source > 2) rsync the snapshot to the destination > 3) Snapshot the destination James did say "only use the same amount of space as the source filesystem." Your approach would increase the usage when one or more subvolume shares the same space (e.g. when one subvolume starts as snapshot). AFAIK the (planned) way to do this is using "btrfs send | receive", which is not available yet. -- Fajar -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
