Re: [Users] Online snapshot

2012-07-04 Thread Shu Ming
After looking into a qemu a bit, I believe the snapshot operation on the disk in oVirt is not a live snapshot, because the guest VM will be paused by qemu when the snapshot is undergoing.That is what qemu monitor command "snapshot_blkdev" does and VDSM depends on that command in low level.

Re: [Users] Online snapshot

2012-06-28 Thread Itamar Heim
On 06/28/2012 09:20 AM, Eric Blake wrote: On 06/28/2012 07:07 AM, Dave Allan wrote: On Thu, Jun 28, 2012 at 06:34:25AM -0400, Itamar Heim wrote: On 06/28/2012 04:40 AM, Winfried de Heiden wrote: Hi all, It seems live snapshot is available in the Fedora 17 qemu-kvm. On my laptop with kvm, virt

Re: [Users] Online snapshot

2012-06-28 Thread Shu Ming
I hit the same problem. Please see the VDSM log below. --- Thread-567268::ERROR::2012-06-28 23:29:01,827::libvirtvm::1782::vm.Vm::(snapshot) vmId=`b28a5aec-e101-4442-a6ce-a018575974fb`::Unable to take snapshot Traceback (most recent call last): File "/usr/share/vdsm/libvirtvm.py", line 1780

Re: [Users] Online snapshot

2012-06-28 Thread Eric Blake
On 06/28/2012 07:07 AM, Dave Allan wrote: > On Thu, Jun 28, 2012 at 06:34:25AM -0400, Itamar Heim wrote: >> On 06/28/2012 04:40 AM, Winfried de Heiden wrote: >>> Hi all, >>> >>> It seems live snapshot is available in the Fedora 17 qemu-kvm. On my >>> laptop with kvm, virt-manager, libvirt, virsh et

Re: [Users] Online snapshot

2012-06-28 Thread Dave Allan
On Thu, Jun 28, 2012 at 06:34:25AM -0400, Itamar Heim wrote: > On 06/28/2012 04:40 AM, Winfried de Heiden wrote: > >Hi all, > > > >It seems live snapshot is available in the Fedora 17 qemu-kvm. On my > >laptop with kvm, virt-manager, libvirt, virsh etc. I created a virtual > >machine and tried to

Re: [Users] Online snapshot

2012-06-28 Thread Itamar Heim
On 06/28/2012 04:40 AM, Winfried de Heiden wrote: Hi all, It seems live snapshot is available in the Fedora 17 qemu-kvm. On my laptop with kvm, virt-manager, libvirt, virsh etc. I created a virtual machine and tried to make a live snapshot: virsh -c qemu:///system Welcome to virsh, the virtual

Re: [Users] Online snapshot

2012-06-28 Thread Winfried de Heiden
Hi all, It seems live snapshot is available in the Fedora 17 qemu-kvm. On my laptop with kvm, virt-manager, libvirt, virsh etc. I created a virtual machine and tried to make a live snapshot: virsh -c qemu:///system Welcome to virsh, the virtualization interactive terminal. Type: 'help' for hel

Re: [Users] Online snapshot

2012-06-27 Thread Itamar Heim
On 06/27/2012 10:47 AM, Winfried de Heiden wrote: Hi all, Trying to create an online (vm still running) fails; attachted is de vdsm logfile trying to create a live snapshot. Some details: hypervisor = Fedora 17 + vdsm, all the latest updates etc. [root@kvm vdsm]# rpm -qi vdsm Name: v

Re: [Users] Online snapshot

2012-06-23 Thread Itamar Heim
On 06/23/2012 05:36 PM, Winfried de Heiden wrote: Hi all, Using the latest RPM's from www.ovirt.org/releases/beta/fedora/17 creating an online snapshot still fails: /var/log/ovirt-engine/engine.log: 2012-06-22 14:27:59,378 INFO [org.ovirt.engine.core.bll.CreateAllSnapshotsFromVmCommand] (ajp--0

[Users] Online snapshot

2012-06-23 Thread Winfried de Heiden
Hi all, Using the latest RPM's from www.ovirt.org/releases/beta/fedora/17 creating an online snapshot still fails: /var/log/ovirt-engine/engine.log: 2012-06-22 14:27:59,378 INFO [org.ovirt.engine.core.bll.CreateAllSnapshotsFromVmCommand] (ajp--0.0.0.0-8009-5) [29998947] Lock Acquired to object