Hi. I'm considering an imminent switch from ext4 to btrfs and I'm hoping that
someone can lend me advice before I do something unsupported.
I have a software raid 6 array configured via mdadm. It was sitting at 8 x 3TB
until I recently doubled that, grew the array and found that ext4 doesn't want
to resize. So, I'm looking to:
1. convert from ext4 to btrfs
2. grow the fs to the full array size
My concerns are:
1. is btrfs-convert on /dev/md0
stable/reliable/tested/not-a-stupid-thing-to-do?
2. based on the reading I've done, resizing btrfs is supported. can you
confirm?
3. there aren't any known compatibility or other issues with running
btrfs on top of mdadm (raid 6)
4. any other caveats I might want to consider?
I just upgraded from kernel v3.5.1 to v3.5.2 and I have the btrfs-tools (v0.19)
compiled straight from git.
Any words of wisdom would be appreciated.
Thanks!
--
Curtis Jones
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