Comment 10 for bug 880645

Thorsten Zitterell (hik) wrote :

I installed the mainline kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/ and compiled the btrfs tools from git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git.

Then, I could remove the second drive after converting raid1 back to raid0:

% ./btrfs balance start --force -mconvert=raid0 /