On 31/03/2021 19:49, Patrick O'Callaghan wrote:
I currently have a pair of external drives configured as ext4 with
RAID1 using mdadm, and mainly used for backup. My / and /home
filesystems are now BTRFS so I'm looking at converting the external
drives to BTRFS with RAID1. My main reason is to take advantage of
BTRFS checksumming as a guard against bitrot, but I'd also like the
flexibility of setting up subvolumes with different properties (the
disks are currently 90% empty).
Any thoughts on this? What would be the simplest conversion strategy if
I go ahead?
Just a thought.... If the drives are 90% empty and used mainly for backup and
there
is sufficient space on the local storage for the remainder I'd take the path of
least resistance.
I'd copy the "non-backedup" stuff to local storage and then blow the rest away
and
create the raid/btrfs volumes from scratch. After that is done, move the stuff
back
and do a backup. I'm lazy. And if possible, I'd rather not do something I'm
unlikely to
have to do again in the future. :-) :-)
--
Remind me to ignore comments which aren't germane to the thread.
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