global {
        usage-count no;
}
common {
}
resource "drbd0" {
        protocol C;
        handlers {
                pri-on-incon-degr "echo 'DRBD: primary requested but inconsistent!' | wall; /etc/init.d/heartbeat stop"; #"halt -f";
                pri-lost-after-sb "echo 'DRBD: primary requested but lost!' | wall; /etc/init.d/heartbeat stop"; #"halt -f";
        }
        startup {
                degr-wfc-timeout 120;    # 2 minutes.
        }
        syncer {
                rate 100M;
                al-extents 257;
        }
        net {
        }
        disk {
                on-io-error   pass_on;
                fencing dont-care;
        }
        on hptux1 {
                device          /dev/drbd0;
                disk            /dev/hda4;
                address         192.168.0.68:7788;
                meta-disk       internal;
        }
        on hptux2 {
                device          /dev/drbd0;
                disk            /dev/hda4;
                address         192.168.0.69:7788;
                meta-disk       internal;
        }

}

#!/bin/bash
##########################################
# split-brain detection script for drbd
##########################################

# System enviroments
PATH=/usr/bin:/bin:/usr/sbin:/sbin

NODE1="hptux1"
NODE2="hptux2"

ROLE_STATUS=$(drbdadm role drbd0)

NORM_STATUS="Primary/Secondary"

if [ "${HOSTNAME}" == "${NODE1}" ]; then
   PING_NODE="${NODE2}"
else
   PING_NODE="${NODE1}"
fi

if [ "${ROLE_STATUS}" != "${NORM_STATUS}" ]; then
   echo ${ROLE_STATUS}
   ping -c 4 -W 4 ${PING_NODE} >/dev/null
   if [ "$?" -eq "0" ]; then
      drbdadm primary all
      drbdadm connect all
      ssh root@${PING_NODE} '/sbin/drbdadm -- --discard-my-data connect all'
   else
      echo "${PING_NODE} is unreachable ..."
   fi
fi