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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>One of our instances got stopped by nova on one of the compute nodes. We couldn't find any indication in the instance itself what causes this shutdown. Any idea what could trigger this?<o:p></o:p></p><p class=MsoNormal>OpenStack version is Icehouse.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here the logs from nova:<o:p></o:p></p><p class=MsoNormal>2015-02-03 15:23:47.410 58450 WARNING nova.virt.libvirt.imagecache [-] Unknown base file: /var/lib/nova/instances/_base/7ff8a4ca1dc62785b8b510a72dffa7348a12c1c1<o:p></o:p></p><p class=MsoNormal>2015-02-03 16:03:48.336 58450 WARNING nova.virt.libvirt.imagecache [-] Unknown base file: /var/lib/nova/instances/_base/7ff8a4ca1dc62785b8b510a72dffa7348a12c1c1<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:21:46.471 3945 INFO oslo.messaging._drivers.impl_qpid [-] Connected to AMQP server on mgmtserver:5672<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:21:46.506 3945 INFO oslo.messaging._drivers.impl_qpid [-] Connected to AMQP server on mgmtserver:5672<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:21:49.707 3945 INFO oslo.messaging._drivers.impl_qpid [-] Connected to AMQP server on mgmtserver:5672<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:22:46.326 3945 WARNING nova.compute.manager [req-95612613-4588-4e3e-b999-7b18e5aa5c13 None None] Found 1 in the database and 0 on the hypervisor.<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:22:46.518 3945 WARNING nova.compute.manager [req-95612613-4588-4e3e-b999-7b18e5aa5c13 None None] [instance: 411affdd-e836-4fe8-a16d-a9eda0152fda] Instance shutdown by itself. Calling the stop API.<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:22:46.667 3945 INFO oslo.messaging._drivers.impl_qpid [-] Connected to AMQP server on mgmtserver:5672<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:31:46.741 3945 WARNING nova.compute.manager [-] Bandwidth usage not supported by hypervisor.<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:32:47.309 3945 WARNING nova.compute.manager [-] Found 1 in the database and 0 on the hypervisor.<o:p></o:p></p><p class=MsoNormal>2015-02-05 09:42:48.154 3945 WARNING nova.compute.manager [-] Found 1 in the database and 0 on the hypervisor.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers<o:p></o:p></p><p class=MsoNormal>Chris<o:p></o:p></p></div></body></html>