[Users] Fail snapshot
Douglas Schilling Landgraf
dougsland at redhat.com
Fri Apr 4 14:23:14 UTC 2014
Hi,
On 04/04/2014 10:04 AM, Kevin Tibi wrote:
> Yes it's a live snapshots. Normal snapshot works.
Question:
Is it a EL6 hosts? If yes, are you using qemu-kvm from:
jenkins.ovirt.org/view/Packaging/job/qemu-kvm-rhev_create_rpms_el6/ ?
Thanks!
>
> How i make debug in vdsm ?
>
> mom.conf :
>
> log: /var/log/vdsm/mom.log
>
> verbosity: info
>
> vdsm.conf :
>
> [root at host02 ~]# cat /etc/vdsm/vdsm.conf
> [addresses]
> management_port = 54321
>
> [vars]
> ssl = true
>
>
>
> 2014-04-04 15:27 GMT+02:00 Dafna Ron <dron at redhat.com
> <mailto:dron at 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.__CreateAllSnapshotsFromVmComman__d] (org.ovirt.thread.pool-6-__thread-24) Ending command successfully: org.ovirt.engine.core.bll.__CreateAllSnapshotsFromVmComman__d
> 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.__CreateAllSnapshotsFromVmComman__d] (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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> --
> Dafna Ron
>
>
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Cheers
Douglas
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