Yes it's a live snapshots. Normal snapshot works.
How i make debug in vdsm ?
mom.conf :
log: /var/log/vdsm/mom.log
verbosity: info
vdsm.conf :
[root@host02 ~]# cat /etc/vdsm/vdsm.conf
[addresses]
management_port = 54321
[vars]
ssl = true
2014-04-04 15:27 GMT+02:00 Dafna Ron <dron(a)redhat.com>:
is this a live snapshots (wile vm is running)?
can you please make sure your vdsm log is in debug and attach the full log?
Thanks,
Dafna
On 04/04/2014 02:23 PM, Michal Skrivanek wrote:
> On 4 Apr 2014, at 12:45, Kevin Tibi wrote:
>
> Hi,
>>
>> I have a pb when i try to snapshot a VM.
>>
> are you running the right qemu/libvirt from virt-preview repo?
>
> Ovirt engine self hosted 3.4. Two node (host01 and host02).
>>
>> my engine.log :
>>
>> 2014-04-04 12:30:03,013 INFO [org.ovirt.engine.core.bll.
>> CreateAllSnapshotsFromVmCommand] (org.ovirt.thread.pool-6-thread-24)
>> Ending command successfully: org.ovirt.engine.core.bll.
>> CreateAllSnapshotsFromVmCommand
>> 2014-04-04 12:30:03,028 INFO [org.ovirt.engine.core.
>> vdsbroker.vdsbroker.SnapshotVDSCommand] (org.ovirt.thread.pool-6-thread-24)
>> START, SnapshotVDSCommand(HostName = host01, HostId =
>> fcb9a5cf-2064-42a5-99fe-dc56ea39ed81,
vmId=cb038ccf-6c6f-475c-872f-ea812ff795a1),
>> log id: 36463977
>> 2014-04-04 12:30:03,075 ERROR [org.ovirt.engine.core.
>> vdsbroker.vdsbroker.SnapshotVDSCommand] (org.ovirt.thread.pool-6-thread-24)
>> Failed in SnapshotVDS method
>> 2014-04-04 12:30:03,076 INFO [org.ovirt.engine.core.
>> vdsbroker.vdsbroker.SnapshotVDSCommand] (org.ovirt.thread.pool-6-thread-24)
>> Command org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand
>> return value
>> StatusOnlyReturnForXmlRpc [mStatus=StatusForXmlRpc [mCode=48,
>> mMessage=Snapshot failed]]
>> 2014-04-04 12:30:03,077 INFO [org.ovirt.engine.core.
>> vdsbroker.vdsbroker.SnapshotVDSCommand] (org.ovirt.thread.pool-6-thread-24)
>> HostName = host01
>> 2014-04-04 12:30:03,078 ERROR [org.ovirt.engine.core.
>> vdsbroker.vdsbroker.SnapshotVDSCommand] (org.ovirt.thread.pool-6-thread-24)
>> Command SnapshotVDSCommand(HostName = host01, HostId =
>> fcb9a5cf-2064-42a5-99fe-dc56ea39ed81, vmId=cb038ccf-6c6f-475c-872f-ea812ff795a1)
>> execution failed. Exception: VDSErrorException: VDSGenericException:
>> VDSErrorException: Failed to SnapshotVDS, error = Snapshot failed, code = 48
>> 2014-04-04 12:30:03,080 INFO [org.ovirt.engine.core.
>> vdsbroker.vdsbroker.SnapshotVDSCommand] (org.ovirt.thread.pool-6-thread-24)
>> FINISH, SnapshotVDSCommand, log id: 36463977
>> 2014-04-04 12:30:03,083 WARN [org.ovirt.engine.core.bll.
>> CreateAllSnapshotsFromVmCommand] (org.ovirt.thread.pool-6-thread-24)
>> Wasnt able to live snapshot due to error: VdcBLLException: VdcBLLException:
>> org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException:
>> VDSGenericException: VDSErrorException: Failed to SnapshotVDS, error =
>> Snapshot failed, code = 48 (Failed with error SNAPSHOT_FAILED and code 48).
>> VM will still be configured to the new created snapshot
>> 2014-04-04 12:30:03,097 INFO [org.ovirt.engine.core.dal.
>> dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-6-thread-24)
>> Correlation ID: 5650b99f, Job ID: c1b2d861-2a52-49f1-9eaa-1b63aa8b4fba,
>> Call Stack: org.ovirt.engine.core.common.errors.VdcBLLException:
>> VdcBLLException: org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException:
>> VDSGenericException: VDSErrorException: Failed to SnapshotVDS, error =
>> Snapshot failed, code = 48 (Failed with error SNAPSHOT_FAILED and code 48)
>>
>>
>> My /var/log/messages
>>
>> Apr 4 12:30:04 host01 vdsm vm.Vm ERROR
vmId=`cb038ccf-6c6f-475c-872f-ea812ff795a1`::The
>> base volume doesn't exist: {'device': 'disk',
'domainID':
>> '5ae613a4-44e4-42cb-89fc-7b5d34c1f30f', 'volumeID':
>> '3b6cbb5d-beed-428d-ac66-9db3dd002e2f', 'imageID':
>> '646df162-5c6d-44b1-bc47-b63c3fdab0e2'}
>>
>> My /var/log/libvirt/libvirt.log
>>
>> 2014-04-04 10:40:13.886+0000: 8234: debug : qemuMonitorIOWrite:462 :
>> QEMU_MONITOR_IO_WRITE: mon=0x7f77ec0ccce0 buf={"execute":"query-
>> blockstats","id":"libvirt-20842"}
>> len=53 ret=53 errno=11
>> 2014-04-04 10:40:13.888+0000: 8234: debug : qemuMonitorIOProcess:354 :
>> QEMU_MONITOR_IO_PROCESS: mon=0x7f77ec0ccce0 buf={"return":
[{"device":
>> "drive-ide0-1-0", "parent": {"stats":
{"flush_total_time_ns": 0,
>> "wr_highest_offset": 0, "wr_total_time_ns": 0,
"wr_bytes": 0,
>> "rd_total_time_ns": 0, "flush_operations": 0,
"wr_operations": 0,
>> "rd_bytes": 0, "rd_operations": 0}}, "stats":
{"flush_total_time_ns": 0,
>> "wr_highest_offset": 0, "wr_total_time_ns": 0,
"wr_bytes": 0,
>> "rd_total_time_ns": 11929902, "flush_operations": 0,
"wr_operations": 0,
>> "rd_bytes": 135520, "rd_operations": 46}},
{"device": "drive-virtio-disk0",
>> "parent": {"stats": {"flush_total_time_ns": 0,
"wr_highest_offset":
>> 22184332800, "wr_total_time_ns": 0, "wr_bytes": 0,
"rd_total_time_ns": 0,
>> "flush_operations": 0, "wr_operations": 0,
"rd_bytes": 0, "rd_operations":
>> 0}}, "stats": {"flush_total_time_ns": 34786515034,
"wr_highest_offset":
>> 22184332800, "wr_total_time_ns": 5131205369094, "wr_bytes":
5122065408,
>> "rd_tot
>>
> a
> l_time_ns": 12987633373, "flush_operations": 285398,
"wr_operations":
> 401232, "rd_bytes": 392342016, "rd_operations": 15069}}],
"id":
> "libvirt-20842"}
>
>> len=1021
>> 2014-04-04 10:40:13.888+0000: 8263: debug : qemuMonitorGetBlockStatsInfo:1478
>> : mon=0x7f77ec0ccce0 dev=ide0-1-0
>> 2014-04-04 10:40:13.889+0000: 8263: debug : qemuMonitorSend:904 :
>> QEMU_MONITOR_SEND_MSG: mon=0x7f77ec0ccce0 msg={"execute":"query-
>> blockstats","id":"libvirt-20843"}
>>
>> /var/log/vdsm/vdsm.log
>> Thread-4732::DEBUG::2014-04-04 12:43:34,439::BindingXMLRPC::1067::vds::(wrapper)
>> client [192.168.99.104]::call vmSnapshot with
('cb038ccf-6c6f-475c-872f-ea812ff795a1',
>> [{'baseVolumeID': 'b62232fc-4e02-41ce-ae10-5dff9e2f7bbe',
'domainID':
>> '5ae613a4-44e4-42cb-89fc-7b5d34c1f30f', 'volumeID':
>> 'f5fc4fed-4acd-46e8-9980-90a9c3985840', 'imageID':
>> '646df162-5c6d-44b1-bc47-b63c3fdab0e2'}], '5ae613a4-44e4-42cb-89fc-
>> 7b5d34c1f30f,00000002-0002-0002-0002-000000000076,
>> 4fb31c32-8467-4d4a-b817-977643a462e3,ceb881f3-9a46-
>> 4ebc-b82e-c4c91035f807,2c06b4da-2743-4422-ba94-
>> 74da2c709188,02804da9-34f8-438f-9e8a-9689bc94790c') {}
>> Thread-4732::ERROR::2014-04-04 12:43:34,440::vm::3910::vm.Vm::(snapshot)
>> vmId=`cb038ccf-6c6f-475c-872f-ea812ff795a1`::The base volume doesn't
>> exist: {'device': 'disk', 'domainID':
'5ae613a4-44e4-42cb-89fc-7b5d34c1f30f',
>> 'volumeID': 'b62232fc-4e02-41ce-ae10-5dff9e2f7bbe',
'imageID':
>> '646df162-5c6d-44b1-bc47-b63c3fdab0e2'}
>> Thread-4732::DEBUG::2014-04-04 12:43:34,440::BindingXMLRPC::1074::vds::(wrapper)
>> return vmSnapshot with {'status': {'message': 'Snapshot
failed', 'code':
>> 48}}
>> Thread-299::DEBUG::2014-04-04 12:43:35,423::fileSD::225::
>> Storage.Misc.excCmd::(getReadDelay) '/bin/dd iflag=direct
>> if=/rhev/data-center/mnt/host01.ovirt.lan:_home_export/
>> ff98d346-4515-4349-8437-fb2f5e9eaadf/dom_md/metadata bs=4096 count=1'
>> (cwd None)
>>
>>
>> Thx;)
>>
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>>
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--
Dafna Ron
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