Hi, I use the following live migration flags: VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE,VIR_MIGRATE_PERSIST_DEST It deletes the libvirt.xml and re-creates it on the other side.
Cheers. –––– Sébastien Han Cloud Engineer "Always give 100%. Unless you're giving blood.” Phone: +33 (0)1 49 70 99 72 Mail: sebastien....@enovance.com Address : 11 bis, rue Roquépine - 75008 Paris Web : www.enovance.com - Twitter : @enovance On 11 Mar 2014, at 22:06, Don Talton (dotalton) <dotal...@cisco.com> wrote: > Hi guys and gals, > > I'm able to do live migration via 'nova live-migration', as long as my > instances are sitting on shared storage. However, when they are not, nova > live-migrate fails, due to a shared storage check. > > To get around this, I attempted to do a live migration via libvirt directly. > Using the feature "--copy-storage-all" fails. Part of the trouble with this > is that even though nova is booted from a volume stored on ceph, there are > still support files (eg console.log, disk.config) that reside in the > instances directory. The virsh command (I've tried many combinations of many > different migration approaches) is "virsh migrate --live --copy-storage-all > instance-0000000c qemu+ssh://target/system". This fails due to libvirt not > creating the instance dir and copying the support files to the target. > > I'm curious if anyone has been able to get something like this to work. I'd > really love to get ceph-backed live migration going without adding the > overhead of shared storage for nova too. > > Thanks, > > Donald Talton > Cloud Systems Development > Cisco Systems > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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