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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'>The auth_supported configuration options are within your Ceph cluster configuration. Currently in order to use Ceph with newer versions of Libvirt, CephX authentication has to be disabled (due to a change in how libvirt by default assumes no authentication if it is not specified in a libvirt secret).<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'>Reference here for how to disable CephX authentication on your cluster:<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><a href="http://ceph.com/docs/master/rados/operations/authentication/#disabling-cephx">http://ceph.com/docs/master/rados/operations/authentication/#disabling-cephx</a><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'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> users-bounces@lists.opennebula.org [mailto:users-bounces@lists.opennebula.org] <b>On Behalf Of </b>Jaime Melis<br><b>Sent:</b> Wednesday, November 06, 2013 10:25 AM<br><b>To:</b> Michael<br><b>Cc:</b> Users OpenNebula<br><b>Subject:</b> Re: [one-users] Opennebula, Ceph and Libvirt 0.10.2<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi Michael,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>yes, this is known limitation of the current Ceph drivers. We are still considering it to do it before OpenNebula 4.4 is out.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>However, there's something I don't fully understand, it should work with auth_supported = none, and *not* with auth_supported = cephx, is this what you meant?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>cheers,<o:p></o:p></p></div><div><p class=MsoNormal>Jaime<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Oct 30, 2013 at 11:24 AM, Michael <<a href="mailto:michael@onlinefusion.co.uk" target="_blank">michael@onlinefusion.co.uk</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>Hi,<br><br>I'm having an issue with a newly added CentOS node to opennebula, on my Ubuntu nodes the default libvirt is 9.X and seems to work fine, the <a href="http://ceph.com/docs/master/rbd/libvirt/" target="_blank">ceph docs</a> suggest things have been changing libvirt late 9.X which might now be causing a problem on my new 10.2 nodes.<br><br>It's essentially the same issue as <a href="http://lists.opennebula.org/pipermail/users-opennebula.org/2013-June/023323.html" target="_blank">http://lists.opennebula.org/pipermail/users-opennebula.org/2013-June/023323.html</a> that never got answered/resolved. The VM fails to build on a disk mounting error which looks like it might be resolvable by switching the command used by Opennebula from "auth_supported=none" to "auth_supported=cephx" but I've tried looking through as many of the opennebula files as I can think might be relevant <br>but can't find where this could be changed.<br><br>[root@12 ~]# libvirtd --version<br>libvirtd (libvirt) 0.10.2<br><br>[root@12 ~]# su oneadmin<br><br>bash-4.1$ /usr/libexec/qemu-kvm -drive file=rbd:one/one-54:auth_supported=none,if=none,id=drive-ide0-0-1,format=raw,cache=writeback,aio=native<br>qemu-kvm: -drive file=rbd:one/one-54:auth_supported=none,if=none,id=drive-ide0-0-1,format=raw,cache=writeback,aio=native: error connecting<br>qemu-kvm: -drive file=rbd:one/one-54:auth_supported=none,if=none,id=drive-ide0-0-1,format=raw,cache=writeback,aio=native: could not open disk image rbd:one/one-54:auth_supported=none: Operation not supported<br><br>bash-4.1$ /usr/libexec/qemu-kvm -drive file=rbd:one/one-54:auth_supported=cephx,if=none,id=drive-ide0-0-1,format=raw,cache=writeback,aio=native<br>VNC server running on `<a href="http://127.0.0.1:5905" target="_blank">127.0.0.1:5905</a>'<br><br>Any ideas greatly appreciated!<span style='color:#888888'><br><br><span class=hoenzb>-Michael</span></span><o:p></o:p></p></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></blockquote></div><p class=MsoNormal><br><br clear=all><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p><div><div><p class=MsoNormal>Jaime Melis<br>Project Engineer<br>OpenNebula - Flexible Enterprise Cloud Made Simple<br><a href="http://www.OpenNebula.org" target="_blank">www.OpenNebula.org</a> | <a href="mailto:jmelis@opennebula.org" target="_blank">jmelis@opennebula.org</a><o:p></o:p></p></div></div></div></div>
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