Some Linux distributions started adding btrfs support in their
installers. Unfortunately, you can't specify your own mkfs.btrfs
parameters, so the best an installer can produce is a btrfs filesystem
made on one partition.
Is it possible to turn a 1-disk (partition) btrfs filesystem into RAID-1?
Suppose you have your / btrfs filesystem on /dev/vda3, and there is a
free /dev/vdb3 partition which you would like to use to have btrfs
RAID-1 - what are the options to set it up like this?
A command like:
btrfs device add /dev/vdb3 /
will, I suppose, simply make RAID-0 and double your available storage -
are there any options to make it RAID-1?
Or, will it be RAID-1 after I do:
btrfs filesystem balance /
?
--
Tomasz Chmielewski
http://wpkg.org
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