mmm_agent

mysql+ha. 实现高可用性 http://code.google.com/p/mysql-master-master/

#!/bin/sh
#
# mmm_agent    This shell script takes care of starting and stopping
#              the mmm agent daemon.
#
# chkconfig: - 64 36
# description:  MMM Agent.
# processname: mmmd_agent
# config: /usr/local/mmm/etc/mmm_agent.conf
# pidfile: /usr/local/mmm/var/mmmd_agent.pid

# Paths
MMMD_BASE="/usr/local/mmm"
MMMD_AGENT_BIN="${MMMD_BASE}/sbin/mmmd_agent"
MMMD_AGENT_PIDFILE="${MMMD_BASE}/var/mmmd_agent.pid"

#-----------------------------------------------------------------------
# See how we were called.
case "$1" in
  start)
        # Start daemon.
        echo -n "Starting MMM Agent daemon: "
        $MMMD_AGENT_BIN
        RETVAL=$?
        echo "Ok"
        ;;

  stop)
        # Stop daemon.
        echo -n "Shutting down MMM Agent daemon: "
        kill `cat $MMMD_AGENT_PIDFILE`
        RETVAL=$?
        echo "Ok"
        ;;

  restart|reload)
        $0 stop
        echo -n "Waiting 10 sec before restart...";
        sleep 10
        echo "Ok"
        $0 start
        ;;

  *)
        echo "Usage: $0 {start|stop|restart}"
        RETVAL=1
        ;;
esac

exit $RETVAL