external/gpl2/lvm2/dist/scripts/clvmd_init_red_hat

   1 #!/bin/bash
   2 #
   3 # chkconfig: - 24 76
   4 # description: Starts and stops clvmd
   5 #
   6 # For Red-Hat-based distributions such as Fedora, RHEL, CentOS.
   7 #
   8 ### BEGIN INIT INFO
   9 # Provides: clvmd
  10 # Required-Start: $local_fs
  11 # Required-Stop: $local_fs
  12 # Default-Start:
  13 # Default-Stop: 0 1 6
  14 # Short-Description: Clustered LVM Daemon
  15 ### END INIT INFO
  16
  17 . /etc/init.d/functions
  18
  19 DAEMON=clvmd
  20
  21 exec_prefix=
  22 sbindir=${exec_prefix}/sbin
  23
  24 LVDISPLAY=${sbindir}/lvdisplay
  25 VGCHANGE=${sbindir}/vgchange
  26 VGSCAN=${sbindir}/vgscan
  27 VGDISPLAY=${sbindir}/vgdisplay
  28 VGS=${sbindir}/vgs
  29
  30 CLVMDOPTS="-T20"
  31
  32 [ -f /etc/sysconfig/cluster ] && . /etc/sysconfig/cluster
  33
  34 [ -n "$CLVMD_CLUSTER_IFACE" ] && CLVMDOPTS="$CLVMDOPTS -I $CLVMD_CLUSTER_IFACE"
  35
  36 LOCK_FILE="/var/lock/subsys/$DAEMON"
  37
  38 start()
  39 {
  40         for rtrn in 0
  41         do
  42                 if ! pidof $DAEMON > /dev/null
  43                 then
  44                         echo -n "Starting $DAEMON: "
  45                         daemon $DAEMON $CLVMDOPTS
  46                         rtrn=$?
  47                         echo
  48                         if [ $rtrn -ne 0 ]
  49                         then
  50                                 break
  51                         fi
  52                 fi
  53                 # refresh cache
  54                 $VGSCAN  > /dev/null 2>&1
  55
  56                 if [ -n "$LVM_VGS" ]
  57                 then
  58                         for vg in $LVM_VGS
  59                         do
  60                                 action "Activating VG $vg:" $VGCHANGE -ayl $vg || rtrn=$?
  61                         done
  62                 else
  63                         action "Activating VGs:" $VGCHANGE -ayl || rtrn=$?
  64                 fi
  65         done
  66
  67         return $rtrn
  68 }
  69
  70 stop()
  71 {
  72         for rtrn in 0
  73         do
  74                 if [ -n "$LVM_VGS" ]
  75                 then
  76                         for vg in $LVM_VGS
  77                         do
  78                                 action "Deactivating VG $vg:" $VGCHANGE -anl $vg || rtrn=$?
  79                         done
  80                 else
  81                         # Hack to only deactivate clustered volumes
  82                         clustervgs=`$VGDISPLAY 2> /dev/null | awk 'BEGIN {RS="VG Name"} {if (/Clustered/) print $1;}'`
  83                         for vg in $clustervgs; do
  84                                 action "Deactivating VG $vg:" $VGCHANGE -anl $vg || rtrn=$?
  85                         done
  86                 fi
  87
  88                 [ $rtrn -ne 0 ] && break
  89
  90                 echo -n "Stopping clvm:"
  91                 killproc $DAEMON -TERM
  92                 rtrn=$?
  93                 echo
  94         done
  95
  96         return $rtrn
  97 }
  98
  99 wait_for_finish()
 100 {
 101         count=0
 102
 103         while [ "$count" -le 10 -a -n "`pidof $DAEMON`" ]
 104         do
 105                 sleep 1
 106                 count=$((count + 1))
 107         done
 108
 109         if [ `pidof $DAEMON` ]
 110         then
 111                 return 1
 112         else
 113                 return 0
 114         fi
 115 }
 116
 117 reload() {
 118         $DAEMON -R
 119 }
 120
 121 rh_status() {
 122         status $DAEMON
 123 }
 124
 125 rh_status_q() {
 126         rh_status >/dev/null 2>&1
 127 }
 128
 129
 130 rtrn=1
 131
 132 # See how we were called.
 133 case "$1" in
 134   start)
 135         start
 136         rtrn=$?
 137         [ $rtrn = 0 ] && touch $LOCK_FILE
 138         ;;
 139
 140   stop)
 141         stop
 142         rtrn=$?
 143         [ $rtrn = 0 ] && rm -f $LOCK_FILE
 144         ;;
 145
 146   restart)
 147         if stop
 148         then
 149                 wait_for_finish
 150                 start
 151         fi
 152         rtrn=$?
 153         ;;
 154
 155   reload)
 156         rh_status_q || exit 7
 157         reload
 158         ;;
 159
 160   status)
 161         rh_status
 162         rtrn=$?
 163         vols=$( $LVDISPLAY -C --nohead 2> /dev/null | awk '($3 ~ /....a./) {print $1}' )
 164         echo active volumes: ${vols:-"(none)"}
 165         ;;
 166
 167   *)
 168         echo $"Usage: $0 {start|stop|restart|reload|status}"
 169         ;;
 170 esac
 171
 172 exit $rtrn