-----Original Message----- From: Li Zhang [mailto:zhlcindy@gmail.com] Sent: Friday, March 29, 2013 12:02 PM To: Yin Olivia-R63875 Cc: libvir-list(a)redhat.com; libvirt-users(a)redhat.com Subject: Re: [libvirt] migrate qemu domains On 2013年03月28日 20:06, Yin Olivia-R63875 wrote: > Hi, > > I tried to migrate qemu domains between same two Freescale PPC platforms. > > 1) Migrate test domain from Host1(10.193.20.109) to Host2(10.193.20.181). > root@ppc-host1:~# virsh migrate test qemu+tls://10.193.20.181/system > or root@ppc-host2:~# virsh -c qemu+tls://10.193.20.109/system migrate > test qemu:///system > > I waited for a while and finally got error message as below: > error: Unable to read from monitor: Connection reset by peer I think debug log should be useful. > Exactly, when waiting (I guess during migration), the migrated domain > is pasued on both source and destination nodes. > root@ppc-host1:~# virsh -c qemu:///system list --all > Id Name State > ---------------------------------------------------- > 5 test paused > > > And meanwhile, the destination domain is also paused when waiting > root@ppc-host2:~# virsh -c qemu:///system list --all > Id Name State > ---------------------------------------------------- > 2 test paused > > Finally, the migrated domain on source node is shut off. > root@ppc-host1:~# virsh -c qemu:///system list --all > Id Name State > ---------------------------------------------------- > - test shut off > > > But can't find any domain on destination node any longer. > root@ppc-host2:~# virsh -c qemu:///system list --all > Id Name State > ---------------------------------------------------- > > > As I know qemu-system-ppc doesn't support live migration on Freescale PPC platform yet. > My question is whether it depends on qemu implementation to migrate qemu hypervisor with libvirt? Ah, I think it needs QEMU's support. :) > > >From the above experiment, it seemed that migration happened but not succeeded finally. > > Best Regards, > Olivia > > > -- > libvir-list mailing list > libvir-list(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvir-list

-----Original Message----- From: Eric Blake [mailto:eblake@redhat.com] Sent: Tuesday, April 02, 2013 12:59 AM To: Yin Olivia-R63875 Cc: Li Zhang; libvirt-users(a)redhat.com Subject: Re: [libvirt] migrate qemu domains [dropping libvir-list; no need to involve two lists on a question of usage] [please don't top-post on technical lists] On 04/01/2013 04:16 AM, Yin Olivia-R63875 wrote: > Hi Cindy, > > Thanks for your reply. > > Since LXC is an independent driver in libvirt, I guess to migrate LXC > domains doesn't depend on external program. LXC domains cannot be migrated. When you think about what LXC is (the ability to create pids in a namespace) and what migration would involve (creating identical pids on another machine, with the same process state), you can probably figure out why it is not supported yet. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org