lustre/scripts/lustre

   1 #!/bin/sh
   2 #
   3 # lustre   This shell script takes care of starting and stopping Lustre
   4 #
   5 # chkconfig: 345 99 1
   6 # description: Lustre Lite network File System.                              \
   7 #              This starts both Lustre client and server functions.
   8 # processname: lconf
   9 # config: /etc/lustre/config.xml
  10 # pidfile: /var/run/lustre.pid
  11
  12 SERVICE=lustre
  13 LOCK=/var/lock/subsys/$SERVICE
  14
  15 : ${LUSTRE_CFG:=/etc/lustre/lustre.cfg}
  16 [ -f ${LUSTRE_CFG} ] && . ${LUSTRE_CFG}
  17
  18 : ${LUSTRE_CONFIG_XML:=/etc/lustre/config.xml}
  19 : ${LCONF:=/usr/sbin/lconf}
  20 : ${LCONF_START_ARGS:="${LUSTRE_CONFIG_XML}"}
  21 : ${LCONF_STOP_ARGS:="--force --cleanup ${LUSTRE_CONFIG_XML}"}
  22 : ${LCTL:=/usr/sbin/lctl}
  23
  24 # Source function library.
  25 if [ -f /etc/init.d/functions ] ; then
  26    . /etc/init.d/functions
  27 fi
  28
  29 # Source networking configuration.
  30 if [ -f /etc/sysconfig/network ] ; then
  31    . /etc/sysconfig/network
  32 fi
  33
  34 # Check that networking is up.
  35 [ "${NETWORKING}" = "no" ] && exit 0
  36
  37 [ -x ${LCONF} -a -x ${LCTL} ] || exit 0
  38
  39 [ -f ${LUSTRE_CONFIG_XML} ] || ( echo "unconfigured" && exit 0 )
  40
  41 # Create /var/lustre directory
  42 # This is used by snmp agent for checking lustre services        \
  43 #    status online/offline/online pending/offline pending.
  44
  45 [ -d ${STATUS_DIR:=/var/lustre} ] || mkdir -p $STATUS_DIR
  46 STATUS=${STATUS_DIR}/sysStatus
  47
  48 start() {
  49         echo -n "Starting $SERVICE: "
  50         ${LCONF} ${LCONF_START_ARGS}
  51         RETVAL=$?
  52         echo $SERVICE
  53         if [ $RETVAL -eq 0 ]; then
  54                touch $LOCK
  55               echo "online" >$STATUS
  56         else
  57               echo "online pending" >$STATUS
  58         fi
  59 }
  60
  61 stop() {
  62         echo -n "Shutting down $SERVICE: "
  63         ${LCONF} ${LCONF_STOP_ARGS}
  64         RETVAL=$?
  65         echo $SERVICE
  66         rm -f $LOCK
  67         if [ $RETVAL -eq 0 ]; then
  68               echo "offline" >$STATUS
  69         else
  70               echo "offline pending" >$STATUS
  71         fi
  72 }
  73
  74 restart() {
  75         stop
  76         start
  77 }
  78
  79 status() {
  80         ${LCTL} dl 2>/dev/null | while read INDEX STAT MODULE NAME; do
  81                 case $MODULE in
  82                         ost|mds|osc|mdc)
  83                                 [ "`grep -v FULL /proc/fs/lustre/*c/*/*_server_uuid`" ] \
  84                                 && echo "recovery" || echo "running"
  85                                 return
  86                                 ;;
  87                 esac
  88         done
  89         echo "stopped"
  90 }
  91
  92 # See how we were called.
  93 case "$1" in
  94   start)
  95         start
  96         ;;
  97   stop)
  98         stop
  99         ;;
 100   restart)
 101         restart
 102         ;;
 103   status)
 104         status $SERVICE
 105         ;;
 106   *)
 107         echo "Usage: $SERVICE {start|stop|restart|status}"
 108         exit 1
 109 esac
 110
 111 exit $RETVAL