[Users] Fail snapshot

Douglas Schilling Landgraf dougsland at redhat.com
Fri Apr 4 15:23:32 UTC 2014


On 04/04/2014 11:06 AM, Kevin Tibi wrote:
> It's centos 6.5. Have I need to change my repo ? I have just EPEL and
> Ovirt repo.
>

Unfortunately we don't have any repo for this yet, only the packages 
recompiled with such feature enabled available to download in the url 
that I have provided. We are working with CentOS guys to have an 
official repo for it.



>
> 2014-04-04 16:23 GMT+02:00 Douglas Schilling Landgraf
> <dougsland at redhat.com <mailto:dougsland at redhat.com>>:
>
>     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/
>     <http://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>
>         <mailto: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 <tel: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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>         <mailto:Users at ovirt.org>>
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>         <http://lists.ovirt.org/mailman/listinfo/users>>
>
>                  ___________________________________________________
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>         <mailto:Users at ovirt.org>>
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>
>                  <http://lists.ovirt.org/__mailman/listinfo/users
>         <http://lists.ovirt.org/mailman/listinfo/users>>
>
>
>
>              --
>              Dafna Ron
>
>
>              ___________________________________________________
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>         <mailto:Users at ovirt.org>>
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>
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>         <http://lists.ovirt.org/mailman/listinfo/users>>
>
>
>
>
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>
>
>
>     --
>     Cheers
>     Douglas
>
>     _________________________________________________
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>
>


-- 
Cheers
Douglas



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