On Wed, Dec 7, 2011 at 10:35 AM, BJ Quinn <[email protected]> wrote: > I've got a 6TB btrfs array (two 3TB drives in a RAID 0). It's about 2/3 full > and has lots of snapshots. I've written a script that runs through the > snapshots and copies the data efficiently (rsync --inplace --no-whole-file) > from the main 6TB array to a backup array, creating snapshots on the backup > array and then continuing on copying the next snapshot. Problem is, it looks > like it will take weeks to finish. > > I've tried simply using dd to clone the btrfs partition, which technically > appears to work, but then it appears that the UUID between the arrays is > identical, so I can only mount one or the other. This means I can't continue > to simply update the backup array with the new snapshots created on the main > array (my script is capable of "catching up" the backup array with the new > snapshots, but if I can't mount both arrays...). > > Any suggestions?
Until an analog of "zfs send" is added to btrfs (and I believe there are some side projects ongoing to add something similar), your only option is the one you are currently using via rsync. -- Freddie Cash [email protected] -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
