On Tue, Jul 23, 2013 at 11:14 AM, Richard W.M. Jones <rjones@xxxxxxxxxx> wrote: > On Mon, Jul 22, 2013 at 08:26:18PM -0400, Matthew Miller wrote: >> On Mon, Jul 22, 2013 at 05:17:01PM -0700, Adam Williamson wrote: >> > Today in Absurd Dependency Bingo: >> > > glusterfs x86_64 3.4.0-2.fc19 @updates-testing 4.7 M >> [...] >> > > qemu-common x86_64 2:1.4.2-4.fc19 @updates-testing 624 k >> >> $ rpm -q --changelog qemu-common >> [...] >> * Wed May 15 2013 Cole Robinson <crobinso@xxxxxxxxxx> - 2:1.4.1-2 >> - Enable gluster support >> >> And then all the rest just falls out from there because they require qemu. >> >> >> > > vinagre x86_64 3.8.2-1.fc19 @side 3.0 M >> >> (This one requires spice.) >> >> At 4.7M glusterfs isn't exactly tiny, and is another one of these things >> that's not so useful unless configured (even though that's awesomely easy); >> maybe the libs could be split out? > > The problem is that qemu's block layer isn't a stable API with > pluggable / loadable modules. There's been some talk and even patches > upstream trying making it so (at least, the loadable modules part, the > stable API part will probably never happen). But it's not done yet. > > qemu's internal block API: > http://git.qemu.org/?p=qemu.git;a=blob;f=include/block/block_int.h;h=c6ac871e210ea21f91d799e44a102119048dde54;hb=HEAD#l83 > > Therefore if you want to use qemu to access, in this case, a glusterfs > cluster, then you have to compile qemu with gluster support, and that > pulls in glusterfs. We could compile it out, but then no one would be > able to use gluster to store their virtual machines at all. > > Not sure if glusterfs could be split into client and server parts > and/or if that would help (only a "client" bit is needed). I thought gluster 3.4 was suppose to support a libgfapi which integrated into qemu [1] so in theory the bare minimum qemu should need is libgfapi. [1] http://www.gluster.org/2013/07/glusterfs-3-4-is-here/ -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
