On 12/01/15 19:42, Yagmur Akbulut wrote: > Hi all, > > We are working on nova live-migration using Ceph. Before live-migration, Nova > does a check to see if the remote is on shared storage. > > In order to make this test pass, we have patched Nova to always return True > in _check_shared_storage_test_file located in nova/virt/libvirt/driver.py > > The problem here is that since Nova assumes that /var/lib/nova/instances is > on shared storage on both destination and source, we need to manually rsync > the /var/lib/nova/instances/instance-id to the destination before running > nova live-migration. > > See the discussion at > http://t3349.file-systems-ceph-user.file-systemstalk.us/live-migration-of-vm-using-librbd-and-openstack-t3349.html > > Currently, Nova doesn’t recognize Ceph backed VMs as being on shared storage > and doesn’t transfer over the necessary folder before migration. > > I was wondering if the feature was already available, or on the feature list > to be added to Nova. > Or if we should be patching Nova to copy the folder over to the destination > before live-migration. > > Regards, > Yagmur Akbulut
This should be improved in >= Juno http://review.openstack.org/91722 _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack