Once upon a time, Richard W.M. Jones <rjones(a)redhat.com> said:
Maybe I'm not understanding your question correctly, but a
filesystem
is more general than LVM. You can create directories corresponding to
your current VGs and files for your LVs, with the advantage that you
can nest directories which you can't do with LVM VGs.
However the performance issue will be critical -- even 5% slower
really matters for VMs. But I hope btrfs can close this gap because
the filesystem design is really nice.
That was really my original point (that I didn't really state clearly I
guess); btrfs performance with VM disk images should be compared against
LVM VGs as well against ext4.
--
Chris Adams <cmadams(a)hiwaay.net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.