[GRLUG] BTRFS subvolumes

[Adam Tauno Williams]

So I've upgraded to the latest awesome [openSUSE 12.1 w/GNOME3]. This
means I have the long anticipated btrfs filesystem which merges much of
MD, LVM, and XFS into one sweet layer of featureful goodness.

So I can stripe, mirror, compress, uncompress, snapshot, release,
shrink, grow, defragment, subdivide, and merge with wild abandon.

But I'm puzzled that I don't see any way to report (a) capacity
utilization by subvolume [or snapshot] and (b) no way to benchmark I/O
by subvolume. Am I missing something?


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