Im running oVirt 3.4.0-0.7.beta2.el6

rpm -qa |grep qemu-kvm
qemu-kvm-tools-0.12.1.2-2.415.el6_5.3.x86_64
qemu-kvm-0.12.1.2-2.415.el6_5.3.x86_64

And its failing with this error in the engine.log

2014-02-13 22:42:12,782 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand] 
(org.ovirt.thread.pool-6-thread-12) Failed in SnapshotVDS method
2014-02-13 22:42:12,785 ERROR 
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand] 
(org.ovirt.thread.pool-6-thread-12) Command SnapshotVDSCommand(HostName = 
Titan, HostId = 5869805e-5b95-485a-bd8a-07b472d3fcaf, 
vmId=dfe6ab9e-1f61-4202-ade9-18ade4757a5e) execution failed. Exception: 
VDSErrorException: VDSGenericException: VDSErrorException: Failed to 
SnapshotVDS, error = Snapshot failed, code = 48
2014-02-13 22:42:13,016 ERROR 
[org.ovirt.engine.core.bll.lsm.LiveMigrateVmDisksCommand] 
(org.ovirt.thread.pool-6-thread-12) Command 
org.ovirt.engine.core.bll.lsm.LiveMigrateVmDisksCommand throw Vdc Bll 
exception. With error message VdcBLLException: Auto-generated live snapshot for 
VM dfe6ab9e-1f61-4202-ade9-18ade4757a5e failed (Failed with error imageErr and 
code 13)
2014-02-13 22:42:13,017 ERROR 
[org.ovirt.engine.core.bll.lsm.LiveMigrateVmDisksCommand] 
(org.ovirt.thread.pool-6-thread-12) Reverting task unknown, handler: 
org.ovirt.engine.core.bll.lsm.LiveSnapshotTaskHandler




-----Original Message-----
From: Gianluca Cecchi [mailto:gianluca.cec...@gmail.com] 
Sent: Thursday, February 13, 2014 4:09 PM
To: Maurice James
Cc: users
Subject: Re: [Users] Live Migrate Disks

On Thu, Feb 13, 2014 at 8:56 PM, Maurice James wrote:
> Is it possible to live migrate disks like storage vMotion?
>

It should be supported since 3.2. See
http://www.ovirt.org/OVirt_3.2_release_notes

So in current stable 3.3.3 it should be ok.
take in mind that it depends on live snapshots, so limitation on RHEL / CerntOS 
6.5 apply.
In that case you should use the recent qemu-kvm rebuilt from jenkins job, as 
noted in other threads today:
http://jenkins.ovirt.org/view/Packaging/job/qemu-kvm-rhev_create_rpms_el6/

HIH,
Gianluca
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