[Users] Online snapshot
Shu Ming
shuming at linux.vnet.ibm.com
Thu Jun 28 16:33:31 UTC 2012
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, in snapshot
libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_REUSE_EXT))
File "/usr/share/vdsm/libvirtvm.py", line 491, in f
ret = attr(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py",
line 82, in wrapper
ret = f(*args, **kwargs)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1443, in
snapshotCreateXML
if ret is None:raise libvirtError('virDomainSnapshotCreateXML()
failed', dom=self)
libvirtError: unsupported configuration: reuse is not supported with
this QEMU binary
Thread-567268::DEBUG::2012-06-28
23:29:01,828::BindingXMLRPC::865::vds::(wrapper) return vmSnapshot with
{'status': {'message': 'Snapshot failed', 'code': 48}}
Thread-567269::DEBUG::2012-06-28
23:29:01,853::BindingXMLRPC::156::vds::(wrapper) [9.181.129.112]
Thread-567269::DEBUG::2012-06-28
23:29:01,853::task::588::TaskManager.Task::(_updateState)
Task=`0456fde6-3ad7-4962-80c8-8a5ae503bca7`::moving from state init ->
state preparing
Thread-567269::INFO::2012-06-28
23:29:01,853::logUtils::37::dispatcher::(wrapper) Run and protect:
revertTask(taskID='3d4a3a1b-36ae-47b6-8f84-fad2f080b0c0', spUUID=None,
options=None)
On 2012-6-28 18:34, 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 make a live snapshot:
>>
>> virsh -c qemu:///system
>> Welcome to virsh, the virtualization interactive terminal.
>>
>> Type: 'help' for help with commands
>> 'quit' to quit
>>
>> virsh # list
>> Id Name State
>> ----------------------------------------------------
>> 1 RHEL55_NTP running
>>
>> virsh # snapshot-create RHEL55_NTP
>> Domain snapshot 1340871802 created
>> virsh # snapshot-list RHEL55_NTP
>> Name Creation Time State
>> ------------------------------------------------------------
>> 1340871724 2012-06-28 10:22:04 +0200 running
>> 1340871802 2012-06-28 10:23:22 +0200 running
>>
>> Both my laptop and the Virtio vdsm machine are using the same package:
>>
>> [root at kvm ~]# rpm -qf `which qemu-kvm`
>> qemu-system-x86-1.0-17.fc17.x86_64
>>
>> [wdh at laptop-winfried ~]$ rpm -qf `which qemu-kvm`
>> qemu-system-x86-1.0-17.fc17.x86_64
>
> dave - who can help us elaborate on this libvirt error:
> reuse is not supported with
> this QEMU binary
>
> Thanks,
> Itamar
>
>>
>>
>>
>>
>>
>> Op 28-06-12 03:29, Itamar Heim schreef:
>>> 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 at kvm vdsm]# rpm -qi vdsm
>>>> Name : vdsm
>>>> Version : 4.10.0
>>>> Release : 2.fc17
>>>> Architecture: x86_64
>>>> Install Date: wo 27 jun 2012 12:08:20 CEST
>>>> Group : Applications/System
>>>> Size : 2425943
>>>> License : GPLv2+
>>>> Signature : (none)
>>>> Source RPM : vdsm-4.10.0-2.fc17.src.rpm
>>>> Build Date : vr 22 jun 2012 12:52:54 CEST
>>>> Build Host : x86-11.phx2.fedoraproject.org
>>>> Relocations : (not relocatable)
>>>> Packager : Fedora Project
>>>> Vendor : Fedora Project
>>>> URL : http://www.ovirt.org/wiki/Vdsm
>>>> Summary : Virtual Desktop Server Manager
>>>> Description :
>>>> The VDSM service is required by a Virtualization Manager to manage the
>>>> Linux hosts. VDSM manages and monitors the host's storage, memory and
>>>> networks as well as virtual machine creation, other host
>>>> administration
>>>> tasks, statistics gathering, and log collection.
>>>>
>>>> BTL, sanlock is disabled in qemu.conf (#lock_manager="sanlock"), I
>>>> cannot install a vm when it's enabled. Is that related?
>>>
>>> this is the relevant error coming from libvirt.
>>> maybe fedora 17 qemu-kvm does not have live snapshot support?
>>>
>>> Thread-306::ERROR::2012-06-27
>>> 12:46:40,178::libvirtvm::1782::vm.Vm::(snapshot)
>>> vmId=`ef978066-09c8-40aa-8e0b-4accfacc15bd`::Unable to take snapshot
>>> Traceback (most recent call last):
>>> File "/usr/share/vdsm/libvirtvm.py", line 1780, in snapshot
>>> libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_REUSE_EXT))
>>> File "/usr/share/vdsm/libvirtvm.py", line 491, in f
>>> ret = attr(*args, **kwargs)
>>> File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py",
>>> line 82, in wrapper
>>> ret = f(*args, **kwargs)
>>> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1443, in
>>> snapshotCreateXML
>>> if ret is None:raise libvirtError('virDomainSnapshotCreateXML()
>>> failed', dom=self)
>>> libvirtError: unsupported configuration: reuse is not supported with
>>> this QEMU binary
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
--
Shu Ming <shuming at linux.vnet.ibm.com>
IBM China Systems and Technology Laboratory
More information about the Users
mailing list