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<p class="MsoNormal">Hi All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am new in pacemaker corosync.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have created a simple environment with 2 nodes(Active/Passive) having 2 resources.<o:p></o:p></p>
<p class="MsoNormal">Resources:<o:p></o:p></p>
<p class="MsoNormal">One resource is added on VIP.<o:p></o:p></p>
<p class="MsoNormal">Other resource is added as Httpd apache service.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span style="background:yellow;mso-highlight:yellow">[root@node1 ~]# pcs resource show Httpd</span><o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Resource: Httpd (class=ocf provider=heartbeat type=apache)<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> Attributes: configfile=/etc/httpd/conf/httpd.conf<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> Operations: monitor interval=30s (Httpd-monitor-interval-30s)<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> start interval=0s timeout=40s (Httpd-start-interval-0s)<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> stop interval=0s timeout=60s (Httpd-stop-interval-0s)<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span style="background:yellow;mso-highlight:yellow">[root@node1 ~]# pcs resource show Cluster_VIP</span><o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Resource: Cluster_VIP (class=ocf provider=heartbeat type=IPaddr2)<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> Attributes: cidr_netmask=32 ip=10.0.4.99<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> Operations: monitor interval=20s (Cluster_VIP-monitor-interval-20s)<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> start interval=0s timeout=20s (Cluster_VIP-start-interval-0s)<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> stop interval=0s timeout=20s (Cluster_VIP-stop-interval-0s)<o:p></o:p></i></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span style="background:yellow;mso-highlight:yellow">[root@node1 ~]# pcs status</span><o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Cluster name: Cluster<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Stack: corosync<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Current DC: node2 (version 1.1.16-12.el7_4.4-94ff4df) - partition with quorum<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Last updated: Tue Nov 7 15:09:40 2017<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Last change: Tue Nov 7 15:03:22 2017 by root via cibadmin on node1<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>2 nodes configured<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>2 resources configured<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Online: [ node1 node2 ]<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Full list of resources:<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Cluster_VIP (ocf::heartbeat:IPaddr2): Started node1<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Httpd (ocf::heartbeat:apache): Started node1<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>Daemon Status:<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> corosync: active/enabled<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> pacemaker: active/enabled<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i> pcsd: active/enabled<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><o:p> </o:p></i></p>
<p class="MsoNormal">To check and kill process ID(pid) of httpd by using command:<o:p></o:p></p>
<p class="MsoListParagraph" style="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]>ps –aef | grep httpd<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span style="background:yellow;mso-highlight:yellow">[root@node1 ~]# ps -aef | grep httpd</span><o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>root 4392 1 0 15:03 ? 00:00:00 /sbin/httpd -DSTATUS -f /etc/httpd/conf/httpd.conf -c PidFile /var/run//httpd.pid<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>apache 4393 4392 0 15:03 ? 00:00:00 /sbin/httpd -DSTATUS -f /etc/httpd/conf/httpd.conf -c PidFile /var/run//httpd.pid<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>apache 4394 4392 0 15:03 ? 00:00:00 /sbin/httpd -DSTATUS -f /etc/httpd/conf/httpd.conf -c PidFile /var/run//httpd.pid<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>apache 4395 4392 0 15:03 ? 00:00:00 /sbin/httpd -DSTATUS -f /etc/httpd/conf/httpd.conf -c PidFile /var/run//httpd.pid<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>apache 4396 4392 0 15:03 ? 00:00:00 /sbin/httpd -DSTATUS -f /etc/httpd/conf/httpd.conf -c PidFile /var/run//httpd.pid<o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i>apache 4397 4392 0 15:03 ? 00:00:00 /sbin/httpd -DSTATUS -f /etc/httpd/conf/httpd.conf -c PidFile /var/run//httpd.pid<o:p></o:p></i></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="background:yellow;mso-highlight:yellow">[root@node1 ~]# kill -9 4392</span>
<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal">I am trying to do resource failover by killing pid of httpd.
<b><o:p></o:p></b></p>
<p class="MsoNormal"><b>Observation:<o:p></o:p></b></p>
<p class="MsoNormal">I observed that resource failover is not happing after killing the pid. Status of resource(Httpd) remain started on node1.
<o:p></o:p></p>
<p class="MsoNormal">We don’t want to use resource move ”pcs resource move Httpd” and resource disable”pcs resource disable httpd” command for this.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Query:<o:p></o:p></b></p>
<p class="MsoNormal">What is the issue in our approach ?<b><o:p></o:p></b></p>
<p class="MsoNormal">How we can achieve a resources failover? <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Further I will use this environment for testing the migration-threshold.
<o:p></o:p></p>
<p class="MsoNormal">Any suggestions regarding this also welcome.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">TIA<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-IN">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-IN">Garima<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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