This is a multipart message in MIME format. ------=_NextPart_000_02B0_01D0E2AC.AFF9F270 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hello, =20 last Wednesday I wanted to update my oVirt 3.5 hypervisor. It is a = single Centos 7 server, so I started by suspending the VMs in order to = set the oVirt engine host to maintenance mode. During the process of = suspending the VMs the server crashed, kernel panic=E2=80=A6 After restarting the server I installed the updates via yum an restarted = the server again. Afterwards, all the VMs could be started again. Some = hours later my monitoring system registered some unresponsive hosts, I = had a look in the oVirt interface, 3 of the VMs were in the state = =E2=80=9Cnot responding=E2=80=9D, marked by a question mark.=20 I tried to shut down the VMs, but oVirt wasn=E2=80=99t able to do so. I = tried to reset the status in the database with the sql statement =20 update vm_dynamic set status =3D 0 where vm_guid =3D (select vm_guid = from vm_static where vm_name =3D 'MYVMNAME'); =20 but that didn=E2=80=99t help, either. Only rebooting the whole = hypervisor helped=E2=80=A6 afterwards everything worked again. But only = for a few hours, then one of the VMs entered the =E2=80=9Cnot = responding=E2=80=9D state again=E2=80=A6 again only a reboot helped. = Yesterday it happened again: =20 2015-08-28 17:44:22,664 INFO = [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo] = (DefaultQuartzScheduler_Worker-60) [4ef90b12] VM DC = 0f3d1f06-e516-48ce-aa6f-7273c33d3491 moved from Up --> NotResponding 2015-08-28 17:44:22,692 WARN = [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] = (DefaultQuartzScheduler_Worker-60) [4ef90b12] Correlation ID: null, Call = Stack: null, Custom Event ID: -1, Message: VM DC is not responding. =20 Does anybody know what I can do? Where should I have a look? Hints are = greatly appreciated! =20 Thanks, Christian ------=_NextPart_000_02B0_01D0E2AC.AFF9F270 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" = xmlns:o=3D"urn:schemas-microsoft-com:office:office" = xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" = xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta = http-equiv=3DContent-Type content=3D"text/html; charset=3Dutf-8"><meta = name=3DGenerator content=3D"Microsoft Word 15 (filtered = medium)"><style><!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; margin-bottom:.0001pt; font-size:11.0pt; font-family:"Calibri",sans-serif; mso-fareast-language:EN-US;} a:link, span.MsoHyperlink {mso-style-priority:99; color:#0563C1; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {mso-style-priority:99; color:#954F72; text-decoration:underline;} span.E-MailFormatvorlage17 {mso-style-type:personal-compose; font-family:"Calibri",sans-serif; color:windowtext;} .MsoChpDefault {mso-style-type:export-only; font-size:10.0pt;} @page WordSection1 {size:612.0pt 792.0pt; margin:70.85pt 70.85pt 2.0cm 70.85pt;} div.WordSection1 {page:WordSection1;} --></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--></head><body lang=3DDE = link=3D"#0563C1" vlink=3D"#954F72"><div class=3DWordSection1><p = class=3DMsoNormal><span lang=3DEN-US>Hello,<o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US>last Wednesday I wanted to update = my oVirt 3.5 hypervisor. It is a single Centos 7 server, so I started by = suspending the VMs in order to set the oVirt engine host to maintenance = mode. During the process of suspending the VMs the server crashed, = kernel panic=E2=80=A6<o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US>After restarting the server I installed the updates via yum = an restarted the server again. Afterwards, all the VMs could be started = again. Some hours later my monitoring system registered some = unresponsive hosts, I had a look in the oVirt interface, 3 of the VMs = were in the state =E2=80=9Cnot responding=E2=80=9D, marked by a question = mark. <o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US>I = tried to shut down the VMs, but oVirt wasn=E2=80=99t able to do so. I = tried to reset the status in the database with the sql = statement<o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US><o:p> </o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US>update vm_dynamic set status =3D 0 where vm_guid =3D = (select vm_guid from vm_static where vm_name =3D = 'MYVMNAME');<o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US><o:p> </o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US>but that didn=E2=80=99t help, either. Only rebooting the = whole hypervisor helped=E2=80=A6 afterwards everything worked again. But = only for a few hours, then one of the VMs entered the =E2=80=9Cnot = responding=E2=80=9D state again=E2=80=A6 again only a reboot helped. = Yesterday it happened again:<o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US>2015-08-28 17:44:22,664 INFO = [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo] = (DefaultQuartzScheduler_Worker-60) [4ef90b12] VM DC = 0f3d1f06-e516-48ce-aa6f-7273c33d3491 moved from Up --> = NotResponding<o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US>2015-08-28 17:44:22,692 WARN = [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] = (DefaultQuartzScheduler_Worker-60) [4ef90b12] Correlation ID: null, Call = Stack: null, Custom Event ID: -1, Message: VM DC is not = responding.<o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US><o:p> </o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US>Does anybody know what I can do? Where should I have a = look? Hints are greatly appreciated!<o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US>Thanks,<o:p></o:p></span></p><p = class=3DMsoNormal><span = lang=3DEN-US>Christian<o:p></o:p></span></p></div></body></html> ------=_NextPart_000_02B0_01D0E2AC.AFF9F270--