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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello all.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m implementing a 2-node cluster using Corosync/Pacemaker/DRBD/OCFS2 for dual-primary shared FS.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve followed the instructions on the DRBD applications site and it works really well.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>However, if I ‘pull the plug’ on a node, the other node continues to operate the clones, but the filesystem is locked and inaccessible (the monitor op works for the filesystem, but fails for the OCFS2 resource.)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If I do a reboot one node, there are no problems and I can continue to access the OCFS2 FS.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>After I pull the plug:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>Online: [ test-odp-02 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>OFFLINE: [ test-odp-01 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Resource Group: Load-Balancing<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Virtual-IP-ODP (ocf::heartbeat:IPaddr2): Started test-odp-02<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Virtual-IP-ODPWS (ocf::heartbeat:IPaddr2): Started test-odp-02<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> ldirectord (ocf::heartbeat:ldirectord): Started test-odp-02<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Master/Slave Set: ms_drbd_ocfs2 [p_drbd_ocfs2]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Masters: [ test-odp-02 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Stopped: [ p_drbd_ocfs2:1 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Clone Set: cl-odp [odp]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Started: [ test-odp-02 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Stopped: [ odp:1 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Clone Set: cl-odpws [odpws]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Started: [ test-odp-02 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Stopped: [ odpws:1 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Clone Set: cl_fs_ocfs2 [p_fs_ocfs2]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Started: [ test-odp-02 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Stopped: [ p_fs_ocfs2:1 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Clone Set: cl_ocfs2mgmt [g_ocfs2mgmt]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Started: [ test-odp-02 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> Stopped: [ g_ocfs2mgmt:1 ]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>Failed actions:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> p_o2cb:0_monitor_10000 (node=test-odp-02, call=19, rc=-2, status=Timed Out): unknown<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'> exec error<o:p></o:p></span></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm'><p class=MsoNormal style='border:none;padding:0cm'><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>test-odp-02:~ # mount<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>/dev/drbd0 on /opt/odp type ocfs2 (rw,_netdev,noatime,cluster_stack=pcmk)<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>test-odp-02:~ # ls /opt/odp<o:p></o:p></span></p><p class=MsoNormal>…just hangs forever…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If I then power test-odp-01 back on, everything fails back fine and the ls command suddenly completes.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It seems to me that OCFS2 is trying to talk to the node that has disappeared and doesn’t time out. Does anyone have any ideas? (attached CRM and DRBD configs)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Many thanks.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#00527F;mso-fareast-language:EN-GB'>Darren Mansell</span></b><span style='color:black;mso-fareast-language:EN-GB'><br><br></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black;mso-fareast-language:EN-GB'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>