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</o:shapelayout></xml><![endif]--></head><body lang=PT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Carlos and Samuel,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I already had came across with this issue. In my case I tested the front-end and the physical host in the same machine, and if for some reason I reboot the host, when it comes back up VMs are in state <i>Unknown</i> (and don’t leave that state). Then, when I try to restart it with OpenNebula it does this magic thing, deletes the VM </span><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> But if I backup the xml of the VM (in virsh with a dumpxml), reboot the host and then try to launch the VM with virsh the VM starts OK, but OpenNebula still sees it as <i>Unknown</i>.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Joăo<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> users-bounces@lists.opennebula.org [mailto:users-bounces@lists.opennebula.org] <b>On Behalf Of </b>Carlos Martín Sánchez<br><b>Sent:</b> quinta-feira, 8 de Setembro de 2011 15:08<br><b>To:</b> samuel<br><b>Cc:</b> users<br><b>Subject:</b> Re: [one-users] wrong restart -> delete disk image!<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Hi Samuel,<br><br>It is safe to change the code, just a couple of comments:<br><br>Before stopping OpenNebula, check that there are not any VMs in a transient state (migrating, saving, etc.).<br>Then stop it, backup /var/lib/one (or $ONE_LOCATION/var), and use the '-k' option of install.sh to keep your current etc folder.<br><br>Also take into account that we haven't tested the proposed solution.<br><br>Regards.<br clear=all><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#888888'>--<br>Carlos Martín, MSc<br>Project Major Contributor<br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222;background:#FFFFCC'>OpenNebula</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#888888'> - The Open Source Toolkit for Cloud Computing<br><a href="http://www.opennebula.org/" target="_blank"><span style='color:#2A5DB0'>www.</span><span style='color:#222222;background:#FFFFCC'>OpenNebula</span><span style='color:#2A5DB0'>.org</span></a> | <a href="mailto:cmartin@opennebula.org" target="_blank"><span style='color:#2A5DB0'>cmartin@</span><span style='color:#222222;background:#FFFFCC'>opennebula</span><span style='color:#2A5DB0'>.org</span></a></span><br><br><o:p></o:p></p><div><p class=MsoNormal>On Thu, Sep 8, 2011 at 1:32 PM, samuel <<a href="mailto:samu60@gmail.com">samu60@gmail.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Thank you very much!<br><br>Is it safe to manually change the code and just perform a ./install.sh from the sources on a running installation? I'm using Mysql backend so I expect that the modification of the sources will only affect the compillation of the modified library and the rest will continue working ok.<br><br>Am I right?<br><br>I really appreciate the fast response.<br><span style='color:#888888'><br>Samuel Osorio.</span><o:p></o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On 8 September 2011 12:20, Ruben S. Montero <<a href="mailto:rubensm@dacya.ucm.es" target="_blank">rubensm@dacya.ucm.es</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Hi,<br><br>Yes you are right. There is an issue open [1]. We are planning to<br>apply the proposed solution in that issue for 3.0 (i.e. clean-up will<br>happen only when you issue a delete operation). I think this will<br>address your use-case.<br><br>[1] <a href="http://dev.opennebula.org/issues/265" target="_blank">http://dev.opennebula.org/issues/265</a><br><br>Thanks<br><br>Ruben<o:p></o:p></p><div><div><p class=MsoNormal>On Tue, Sep 6, 2011 at 5:28 PM, samuel <<a href="mailto:samu60@gmail.com" target="_blank">samu60@gmail.com</a>> wrote:<br>> Hi folks,<br>><br>> Recently there was a network problem and one instance became unreachable. We<br>> tried to restart it with stop and resume actions but there's been a problem<br>> and the disk has been deleted. The main concern is why, after trying to<br>> restart and an error happened, the directory where the disk image resides<br>> has been deleted? There was no sensible data on it but I just don't get why<br>> there has been a rm -rf of the directory.<br>><br>> Details:<br>><br>> The configuration is KVM with shared storage using open nebula 2.2.<br>><br>> output of virsh version<br>> Compilado contra la biblioteca: libvir 0.8.8<br>> Utilizando la biblioteca: libvir 0.8.8<br>> Utilizando API: QEMU 0.8.8<br>> Ejecutando hypervisor: QEMU 0.14.0<br>><br>> related logs:<br>><br>> Tue Sep 6 12:37:49 2011 [VMM][D]: Message received: SAVE SUCCESS 22 Domain<br>> one-22 saved to /srv/cloud/one/var//22/images/checkpoint<br>> Tue Sep 6 12:37:49 2011 [VMM][D]: Message received:<br>> Tue Sep 6 12:37:49 2011 [TM][D]: Message received: LOG - 22 tm_mv.sh: Will<br>> not move, is not saving image<br>> Tue Sep 6 12:37:49 2011 [TM][D]: Message received: TRANSFER SUCCESS 22 -<br>><br>> Tue Sep 6 12:38:12 2011 [DiM][D]: Restarting VM 22<br>> Tue Sep 6 12:38:12 2011 [DiM][E]: Could not restart VM 22, wrong state.<br>> Tue Sep 6 12:38:12 2011 [ReM][E]: Wrong state to perform action<br>><br>> Tue Sep 6 12:38:18 2011 [ReM][D]: VirtualMachineAction invoked<br>> Tue Sep 6 12:38:18 2011 [DiM][D]: Resuming VM 22<br>> Tue Sep 6 12:38:47 2011 [DiM][D]: Deploying VM 22<br>><br>> Tue Sep 6 12:38:47 2011 [ReM][D]: VirtualMachineInfo method invoked<br>> Tue Sep 6 12:38:47 2011 [TM][D]: Message received: LOG - 22 tm_mv.sh: Will<br>> not move, is not saving image<br>><br>> Tue Sep 6 12:38:47 2011 [TM][D]: Message received: TRANSFER SUCCESS 22 -<br>><br>> Tue Sep 6 12:38:48 2011 [ReM][D]: VirtualMachineInfo method invoked<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: LOG - 22 Command<br>> execution fail: 'if [ -x "/var/tmp/one/vmm/kvm/restore" ]; then<br>> /var/tmp/one/vmm/kvm/restore /srv/cloud/one/var//22/images/checkpoint;<br>> else exit 42; fi'<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: LOG - 22 STDERR<br>> follows.<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: LOG - 22 error: Failed<br>> to restore domain from /srv/cloud/one/var//22/images/checkpoint<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: LOG - 22 error: cannot<br>> close file: Bad file descriptor<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: LOG - 22 ExitCode: 1<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: RESTORE FAILURE 22<br>> error: Failed to restore domain from<br>> /srv/cloud/one/var//22/images/checkpoint<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: error: cannot close<br>> file: Bad file descriptor<br>> Tue Sep 6 12:38:49 2011 [VMM][D]: Message received: ExitCode: 1<br>><br>> Tue Sep 6 12:38:50 2011 [TM][D]: Message received: LOG - 22 tm_delete.sh:<br>> Deleting /srv/cloud/one/var//22/images<br>> Tue Sep 6 12:38:50 2011 [TM][D]: Message received: LOG - 22 tm_delete.sh:<br>> Executed "rm -rf /srv/cloud/one/var//22/images".<br>> Tue Sep 6 12:38:50 2011 [TM][D]: Message received: TRANSFER SUCCESS 22 -<br>><br>><br>> Thank you in advance for any hint!<br>> Samuel.<br>><o:p></o:p></p></div></div><p class=MsoNormal>> _______________________________________________<br>> Users mailing list<br>> <a href="mailto:Users@lists.opennebula.org" target="_blank">Users@lists.opennebula.org</a><br>> <a href="http://lists.opennebula.org/listinfo.cgi/users-opennebula.org" target="_blank">http://lists.opennebula.org/listinfo.cgi/users-opennebula.org</a><br>><br>><br><span style='color:#888888'><br><br><br>--<br>Dr. Ruben Santiago Montero<br>Associate Professor (Profesor Titular), Complutense University of Madrid<br><br>URL: <a href="http://dsa-research.org/doku.php?id=people:ruben" target="_blank">http://dsa-research.org/doku.php?id=people:ruben</a><br>Weblog: <a href="http://blog.dsa-research.org/?author=7" target="_blank">http://blog.dsa-research.org/?author=7</a></span><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@lists.opennebula.org">Users@lists.opennebula.org</a><br><a href="http://lists.opennebula.org/listinfo.cgi/users-opennebula.org" target="_blank">http://lists.opennebula.org/listinfo.cgi/users-opennebula.org</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>