Hi Andrew<div><br></div><div><br></div><div><div>Hi Andrew</div><div><br></div><div>We had installed Heartbeat/Pacemaker on two Unix(Centos 5.0.2 Machines)</div><div><br></div><div>The RPM's we had used for installing Heartbeat ad Pacemaker are</div>
<div><br></div><div>heartbeat-3.0.3-2.3.el5.i386.rpm</div><div>pacemaker-1.0.9.1-1.15.el5.i386.rpm</div><div><br></div><div>Please find the crm(cluster resource manager) order and co-location we had used.</div><div><br></div>
<div>colocation Httpd-with-Mysql inf: HttpdVIP MS_Mysql:Master</div><div>colocation Httpd-with-ip inf: HttpdVIP Httpd</div><div>colocation Mysql-with-Tomcat inf: Tomcat1 MS_Mysql:Master</div><div>colocation Tomcat-with-HttpdVIP inf: Tomcat1 HttpdVIP</div>
<div>order Httdp-after-HttpdVIP inf: HttpdVIP Httpd</div><div>order Httdp-after-tomcat1 inf: Httpd Tomcat1</div><div>order MYSQL-after-HttpdVIP inf: MS_Mysql HttpdVIP</div><div><br></div><div>we had two nodes running HA processes (cluster with two nodes)</div>
<div><br></div><div>In on of our test scenario we tried to restart the node where Mysql-Master is running, based on the above configuration the Ha processes restarts and other node Mysql processes takes over the Master responsibility </div>
<div><br></div><div>And we saw the Mysql replication stops working and in the Slave status we found this error duplicate entry for the key values. </div></div><div><br></div><div>Please help us regarding this.</div><div> Error Description 'Duplicate entry '2083' for key 1' on query. Default database: 'MSF_DB'. </div>
<div><br></div><div>I ca also provide what ever information required.</div><div><br></div><div>waiting for you response on this.</div><div><br></div><div>Rakesh</div>