On Wed, 26 Aug 2015 10:56:03 +0200 George Duffield <forumscollect...@gmail.com> wrote:
> I'm looking to switch from a 5x3TB mdadm raid5 array to a Btrfs based > solution that will involve duplicating a data store on a second > machine for backup purposes (the machine is only powered up for > backups). What do you want to achieve by switching? As Btrfs RAID5/6 is not safe yet, do you also plan to migrate to RAID10, losing in storage efficiency? Why not use Btrfs in single-device mode on top of your mdadm RAID5/6? Can even migrate without moving any data if you currently use Ext4, as it can be converted to Btrfs in-place. -- With respect, Roman
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