BTRFS concerns (was: Re: Plan for tomorrow's FESCo meeting (2011-06-01))

[Chris Adams]

Once upon a time, Richard W.M. Jones <rjones at 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 at hiwaay.net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.