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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi,<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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Sorry, not had chance to look at the bugs in the last few days.<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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It should be possible to just snapshot the root VDI. I guess that is what makes the most sense, what does the API say should happen?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I guess we want the snapshot operation on the volume. I am not sure how well this plays with boot from volume. <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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The error of SR_OPERATION_NOT_SUPPORTED is because you are using LVM over iSCSI (I guess the nova-volume default). If you used the SM integration and did something like VHD over iSCSI you should get the snapshots working. But I guess you don’t want the snapshots sitting un-managed on your storage array?<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 style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>John<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><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> openstack-bounces+john.garbutt=eu.citrix.com@lists.launchpad.net [mailto:openstack-bounces+john.garbutt=eu.citrix.com@lists.launchpad.net] <b>On Behalf Of </b>Roman Sokolkov<br><b>Sent:</b> 01 June 2012 14:38<br><b>To:</b> openstack@lists.launchpad.net<br><b>Subject:</b> [Openstack] XCP snapshotting with volumes attached failure<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello, openstack developers!<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We are using openstack on XCP. And if we tried to snapshot VM with iscsi volumes attached nova fails with <a href="http://paste.openstack.org/show/18205/">http://paste.openstack.org/show/18205/</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I filled a bug report few days ago <a href="https://bugs.launchpad.net/nova/+bug/1005950">https://bugs.launchpad.net/nova/+bug/1005950</a> , but there is no answer.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Also, as I could see qemu,kvm snapshotting was refactored <a href="https://github.com/openstack/nova/commit/7dbf9c7de23623223ef60c0566d9330797c5f87e">https://github.com/openstack/nova/commit/7dbf9c7de23623223ef60c0566d9330797c5f87e</a> in favor snap ONLY root devices instead of libvirt snapshotting<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We could use some small hacks to prevent snapshoting with attached volumes, but it would be better if xen(xcp) snapshotting will refactored likewise a libvirt one. Is it possible?<o:p></o:p></p></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <br>Regards, Roman Sokolkov<o:p></o:p></p></div></div></div></body></html>