<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We want to have instances auto resume their status after a compute node reboot/failure. Means when the VM has the running state before it should be automatically started. We are using Icehouse.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>There is the option <i>resume_guests_state_on_host_boot=true|false </i>which should exactly do what we want:<o:p></o:p></p><p class=MsoNormal><i># Whether to start guests that were running before the host<o:p></o:p></i></p><p class=MsoNormal><i># rebooted (boolean value)<o:p></o:p></i></p><p class=MsoNormal><i>resume_guests_state_on_host_boot=true<o:p></o:p></i></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I tried it out and it just didn’t work. Libvirt fails to start the VMs because I couldn’t find the interfaces:<o:p></o:p></p><p class=MsoNormal>2015-04-30 06:16:00.783+0000: 3091: error : virNetDevGetMTU:343 : Cannot get interface MTU on 'qbr62d7e489-f8': No such device<o:p></o:p></p><p class=MsoNormal>2015-04-30 06:16:00.897+0000: 3091: warning : qemuDomainObjStart:6144 : Unable to restore from managed state /var/lib/libvirt/qemu/save/instance-0000025f.save. Maybe the file is corrupted?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I did some research and found some corresponding experiences from other users:<o:p></o:p></p><p class=MsoNormal>“AFAIK at the present time OpenStack (Icehouse) still not completely aware about environments inside it, so it can't restore completely after reboot.”<o:p></o:p></p><p class=MsoNormal>Source: http://stackoverflow.com/questions/23150148/how-to-get-instances-back-after-reboot-in-openstack<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is this feature really broken or do I just miss something?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks in advance!<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>