[Openstack-operators] Icehouse and libguestfs and ZFS

Joe Topjian joe at topjian.net
Sun Apr 20 02:26:29 UTC 2014

Thank you for your notes, Jon!

I reviewed the debian/control<http://bazaar.launchpad.net/~ubuntu-cloud-archive/ubuntu/precise/nova/trunk/view/head:/debian/control>file
for the nova packages and didn't see libguestfs-tools listed. I also
had some time today to do a test install of nova-compute and
libguestfs-tools was not installed as a dependency.

So libguestfs doesn't seem to be a requirement like the Release Notes
said... but I haven't actually used nova-compute in an Icehouse
environment, so I can't be 100% confident about that. Initial scouting
looks promising, though.

On Thu, Apr 17, 2014 at 10:04 AM, Jonathan Proulx <jon at jonproulx.com> wrote:

> On Thu, Apr 17, 2014 at 11:10 AM, Joe Topjian <joe at topjian.net> wrote:
> > I have compute nodes running Ubuntu and use ZFS (from the ZFS PPA).
> > Installing libguestfs-tools removes ZFS because libguestfs wants
> zfs-fuse.
> >
> > I did a little digging and found this:
> >
> > https://bugs.launchpad.net/ubuntu/+source/libguestfs/+bug/1053911
> >
> > In the bug, Jon mentions that it is possible to install libguestfs-tools
> > without zfs-fuse, although it looks like some dancing is involved.
> my note about forcing depends is a brutal kludge which I meant to
> suggest it's a packaging issue an not an actual hard dependency.
> Further comments suggest this is also the case and that changes
> upstream and waiting on Debian packaging to implement splitting the
> filesystem support into sub packages of libguestfs...but for now
> you're likely in a bit of a bind.
> I'm thankfully not using zfs on my openstack nodes, but I'd suggest
> you add your concerns to the bug hopefully if it's impacting OpenStack
> which Canonical is leaning heavily on as their big value in today's
> LTS release they'll boot the priority and get it done.
> >  Maybe packaging libguestfs myself without
> > zfs-fuse would be the easiest solution?
> If you do please put it in a ppa and share
> -Jon
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