blkmapd.init

   1 #!/bin/sh
   2 #
   3 # blkmapd       Start up and shut down pNFS block layout mapping daemon
   4 #
   5 # chkconfig:    345 13 82
   6 # description:  Starts the blkmapd daemon that performs device discovery \
   7 #               and mapping for the parallel NFS (pNFS) block layout \
   8 #               client [RFC5663].
   9
  10 # Source function library.
  11 . /etc/rc.d/init.d/functions
  12
  13 # Get network config
  14 . /etc/sysconfig/network
  15
  16 # Check that networking is up.
  17 if is_yes "${NETWORKING}"; then
  18         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  19                 msg_network_down "pNFS block layout mapping daemon"
  20                 exit 1
  21         fi
  22 else
  23         exit 0
  24 fi
  25
  26 # Get service config
  27 [ -f /etc/sysconfig/nfsfs ] && . /etc/sysconfig/nfsfs
  28
  29 is_yes "${ENABLE_PNFS}" || exit 0
  30
  31 start() {
  32         # Check if the service is already running?
  33         if [ -f /var/lock/subsys/blkmapd ]; then
  34                 msg_already_running "pNFS block layout mapping daemon"
  35                 return
  36         fi
  37
  38         if ! grep -q rpc_pipefs /proc/mounts; then
  39                 modprobe sunrpc >/dev/null 2>&1
  40                 run_cmd "Mounting /var/lib/nfs/rpc_pipefs filesystem" \
  41                         mount -t rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs
  42         fi
  43         msg_starting "pNFS block layout mapping daemon"
  44         daemon /sbin/blkmapd $BLKMAPDOPTIONS
  45         RETVAL=$?
  46         [ $RETVAL = 0 ] && touch /var/lock/subsys/blkmapd
  47 }
  48
  49 stop() {
  50         if [ ! -f /var/lock/subsys/blkmapd ]; then
  51                 msg_not_running "pNFS block layout mapping daemon"
  52                 return
  53         fi
  54
  55         msg_stopping "pNFS block layout mapping daemon"
  56         killproc blkmapd
  57         rm -f /var/lock/subsys/blkmapd
  58 }
  59
  60 # See how we were called.
  61 RETVAL=0
  62 case "$1" in
  63   start)
  64         start
  65         ;;
  66   stop)
  67         stop
  68         ;;
  69   restart|reload)
  70         stop
  71         start
  72         ;;
  73   status)
  74         status blkmapd
  75         RETVAL=$?
  76         ;;
  77   *)
  78         msg_usage "$0 {start|stop|restart|status}"
  79         exit 1
  80 esac
  81
  82 exit $RETVAL