Hi, I have a local btrfs file system with various sub-volumes that have had snapshots done on them.
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 see a problem being getting a consistent and steady state during the rsync. I was thinking that I might be able to do this with LVM snapshots, but that would require something along these lines: 1) pause the btrfs filesystem into a consistent state that can be mounted cleanly 2) Do LVM snapshot on it. 3) un-pause btrfs filesystem. I can then do a block level backup of the LVM snapshot and it should be mountable on the backup server. So, the snapshot is not a snapshot of the current filesystem, it is a snapshot of all the snapshots and all the sub-volumes at a particular time, that is in a stable state to be backed up. I don't know if 1 is supported? I suppose I am hoping for 1,2,3 to already be supported by some special btrfs command. Any ideas? Kind Regards James -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
