In case of Icehouse on Ubuntu 14.04, you should be able to test this patch series by grabbing this branch from github: https://github.com/angdraug/nova/tree/rbd-ephemeral-clone-stable-icehouse and replacing contents of /usr/share/pyshared/nova with contents of nova/ from that branch. You may also need to clean out related .pyc files from /usr/lib/python2.7/dist-packages/nova/. On Wed, Jul 16, 2014 at 11:22 PM, Dennis Kramer (DT) <dennis at holmes.nl> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi Dmitry, > > I've been using Ubuntu 14.04LTS + Icehouse /w CEPH as a storage > backend for glance, cinder and nova (kvm/libvirt). I *really* would > love to see this patch cycle in Juno. It's been a real performance > issue because of the unnecessary re-copy from-and-to CEPH when using > the default "boot from image"-option. It seems that the your fix would > be the solution to all. IMHO this is one of the most important > features when using CEPH RBD as a backend for Openstack Nova. > > Can you point me in the right direction in how to apply this patch of > yours on a default Ubuntu14.04LTS + Icehouse installation? I'm using > the default ubuntu packages since Icehouse lives in core and I'm not > sure how to apply the patch series. I would love to test and review it. > > With regards, > > Dennis > > On 07/16/2014 11:18 PM, Dmitry Borodaenko wrote: >> I've got a bit of good news and bad news about the state of >> landing the rbd-ephemeral-clone patch series for Nova in Juno. >> >> The good news is that the first patch in the series >> (https://review.openstack.org/91722 fixing a data loss inducing >> bug with live migrations of instances with RBD backed ephemeral >> drives) was merged yesterday. >> >> The bad news is that after 2 months of sitting in review queue and >> only getting its first a +1 from a core reviewer on the spec >> approval freeze day, the spec for the blueprint >> rbd-clone-image-handler (https://review.openstack.org/91486) wasn't >> approved in time. Because of that, today the blueprint was rejected >> along with the rest of the commits in the series, even though the >> code itself was reviewed and approved a number of times. >> >> Our last chance to avoid putting this work on hold for yet another >> OpenStack release cycle is to petition for a spec freeze exception >> in the next Nova team meeting: >> https://wiki.openstack.org/wiki/Meetings/Nova >> >> If you're using Ceph RBD as backend for ephemeral disks in Nova >> and are interested this patch series, please speak up. Since the >> biggest concern raised about this spec so far has been lack of CI >> coverage, please let us know if you're already using this patch >> series with Juno, Icehouse, or Havana. >> >> I've put together an etherpad with a summary of where things are >> with this patch series and how we got here: >> https://etherpad.openstack.org/p/nova-ephemeral-rbd-clone-status >> >> Previous thread about this patch series on ceph-users ML: >> http://lists.ceph.com/pipermail/ceph-users-ceph.com/2014-March/028097.html >> > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.15 (GNU/Linux) > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iEYEARECAAYFAlPHa6kACgkQiJDTKUBxIRtpOwCeNjTlYlyypOsaGeI/+HRxZ6nt > Y2kAoNLckOlSaEfw+dwSBacXP3JGkcAj > =0Ez1 > -----END PGP SIGNATURE----- -- Dmitry Borodaenko
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