This is a multi-part message in MIME format. ------=_NextPartTM-000-aeafb0d3-0c33-4ea0-9b6f-99754e278718 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Jasper,=0A= =0A= from time to time we see a similar behaviour. All of a sudden a VM pauses d= ue to =0A= some IO error. But it takes 5 months to occur. Our /var/log/libvirt/qemu/<v= m>.log gives=0A= =0A= qemu-system-x86_64: block.c:2806: bdrv_error_action: Assertion `error >=3D = 0' failed.=0A= =0A= Currently we are waiting to capture the next crash. I do not know if your e= rror=0A= allows to enforce cores for in depth analysis. If yes you should activate= =0A= =0A= 1) /usr/lib/systemd/system/libvirtd.service=0A= LimitCORE=3Dinfinity=0A= =0A= 2) /etc/security/limits.conf=0A= * soft core unlimited=0A= =0A= Markus=0A= ________________________________________=0A= Von: users-bounces@ovirt.org [users-bounces@ovirt.org]" im Auftrag von= "Jasper Siero [jasper.siero@target-holding.nl]=0A= Gesendet: Montag, 26. Oktober 2015 17:39=0A= An: users@ovirt.org=0A= Betreff: [ovirt-users] Vm suddenly paused with error "vm has paused due to = unknown storage error"=0A= =0A= Hi all,=0A= =0A= Since we upgraded our Ovirt nodes to CentOS 7 a vm (not a specific one but = never more then one) will sometimes pause suddenly with the error "VM ... h= as paused due to unknown storage error". It happens now two times in a mont= h.=0A= The Ovirt node uses san storage for the vm's running on it. When a specific= vm is pausing with an error the other vm's keeps running without problems.= =0A= The vm runs without problems after unpausing it.=0A= =0A= Versions:=0A= CentOS Linux release 7.1.1503=0A= vdsm-4.14.17-0=0A= libvirt-daemon-1.2.8-16=0A= =0A= vdsm.log:=0A= VM Channels Listener::DEBUG::2015-10-25 07:43:54,382::vmChannels::95::vds::= (_handle_timeouts) Timeout on fileno 78.=0A= libvirtEventLoop::INFO::2015-10-25 07:43:56,177::vm::4602::vm.Vm::(_onIOErr= or) vmId=3D`77f07ae0-cc3e-4ae2-90ec-7fba7b11deeb`::abnormal vm stop device = virtio-disk0 error eother=0A= libvirtEventLoop::DEBUG::2015-10-25 07:43:56,178::vm::5204::vm.Vm::(_onLibv= irtLifecycleEvent) vmId=3D`77f07ae0-cc3e-4ae2-90ec-7fba7b11deeb`::event Sus= pended detail 2 opaque None=0A= libvirtEventLoop::INFO::2015-10-25 07:43:56,178::vm::4602::vm.Vm::(_onIOErr= or) vmId=3D`77f07ae0-cc3e-4ae2-90ec-7fba7b11deeb`::abnormal vm stop device = virtio-disk0 error eother=0A= ...........=0A= libvirtEventLoop::INFO::2015-10-25 07:43:56,180::vm::4602::vm.Vm::(_onIOErr= or) vmId=3D`77f07ae0-cc3e-4ae2-90ec-7fba7b11deeb`::abnormal vm stop device = virtio-disk0 error eother=0A= =0A= specific error part in libvirt vm log:=0A= block I/O error in device 'drive-virtio-disk0': Unknown error 32758 (32758)= =0A= ...........=0A= block I/O error in device 'drive-virtio-disk0': Unknown error 32758 (32758)= =0A= =0A= engine.log:=0A= 2015-10-25 07:44:48,945 INFO [org.ovirt.engine.core.vdsbroker.VdsUpdateRun= TimeInfo] (DefaultQuartzScheduler_Worker-40) [a43dcc8] VM diataal-prod-cas1= 77f07ae0-cc3e-4ae2-90ec-7fba7b11deeb moved from=0A= Up --> Paused=0A= 2015-10-25 07:44:49,003 ERROR [org.ovirt.engine.core.dal.dbbroker.auditlogh= andling.AuditLogDirector] (DefaultQuartzScheduler_Worker-40) [a43dcc8] Corr= elation ID: null, Call Stack: null, Custom Event=0A= ID: -1, Message: VM diataal-prod-cas1 has paused due to unknown storage er= ror.=0A= =0A= Has anyone experienced the same problem or knows a way to solve this?=0A= =0A= Kind regards,=0A= =0A= Jasper=0A= _______________________________________________=0A= Users mailing list=0A= Users@ovirt.org=0A= http://lists.ovirt.org/mailman/listinfo/users=0A= ------=_NextPartTM-000-aeafb0d3-0c33-4ea0-9b6f-99754e278718 Content-Type: text/plain; name="InterScan_Disclaimer.txt" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="InterScan_Disclaimer.txt" **************************************************************************** Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte Informationen. 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