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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi Linux-Cluster-List-Members,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m a newbie in RHCS. I have visited recently the RH436 training. Currently I’m trying to get more experience by doing some hands-on on the course labs.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My setup is as follows:<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>Physical Server where Dom-0 is running<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>2 x xen virtual machines<o:p></o:p></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>2 nodes cluster (via Conga)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The two node cluster is setup by using Conga. The node1 and node2 are xen virtual machines. Everything worked so far. For fencing I’m using fence_xvmd. That is also working without any problems. <o:p></o:p></p><p class=MsoNormal>To test the multicasting with different address (than the default one), I have done some changes on the multicast address and rebooted both nodes. Apparently when I start node1 or node2 (xm console node1 –c ) they hang during boot process on the “GFS2 daemon”.<o:p></o:p></p><p class=MsoNormal>I have tried to login via using the “Single” mode as boot parameter regrettably this didn’t help.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My question is how can I overcome this deadlock situation. I need somehow to boot both nodes and change my recent changes related to the multicasting address in the cluster.conf file. However I cannot login to any of the nodes? Furthermore is there a change within the xen virtual machine to get in to the interactive boot mode?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It would be great if you can give me some hint here.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Many thanks in advance!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Warm regards from Düsseldorf/Germany<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ercan Karadeniz<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>