Heartbeat.

heartbeat/authkeys

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+#
+auth 1
+1 md5 abcefghijklmnopqrstuvwxyz

heartbeat/ha.cf

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+#
+logfile /var/log/ha.log
+keepalive 2
+deadtime 10
+warntime 5
+initdead 20
+udpport 694
+auto_failback off
+ucast eth1 192.168.50.102
+node db-drbd-1
+node db-drbd-2

heartbeat/haresources

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+#
+db-drbd-1 MailTo::me+drbdfailover@gmail.com::HeartbeatFailover_db-drbd-float drbddisk::r0 Filesystem::/dev/drbd0::/srv::ext4::noatime,nodiratime mysql 192.168.50.103

heartbeat/resource.d/mysql

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+#!/bin/bash
+#
+# This script is inteded to be used as resource script by heartbeat
+#
+# Mar 2006 by Monty Taylor
+#
+###
+
+. /etc/ha.d/shellfuncs
+
+case "$1" in
+    start)
+        res=`/etc/init.d/mysql start`
+        ret=$?
+        ha_log $res
+        exit $ret
+        ;;
+    stop)
+        res=`/etc/init.d/mysql stop`
+        ret=$?
+        ha_log $res
+        exit $ret
+        ;;
+    status)
+        if [[ `ps -ef | grep '[m]ysqld'` > 1 ]] ; then
+           echo "running"
+        else
+           echo "stopped"
+        fi
+        ;;
+    *)
+        echo "Usage: mysql {start|stop|status}"
+        exit 1
+        ;;
+esac
+
+exit 0