lustre/scripts/lustrefs

   1 #!/bin/bash
   2 #
   3 # lustrefs      Mount Lustre filesystems.
   4 #
   5 # Authors:      Jacob Berkman <jacob@clusterfs.com>
   6 #
   7 # Based on the netfs script:
   8 #
   9 # Authors:      Bill Nottingham <notting@redhat.com>
  10 #               Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
  11 #
  12 # chkconfig: 345 26 74
  13 # description: Mounts and unmounts all Lustre mount points.
  14 #
  15 ### BEGIN INIT INFO
  16 # Provides: $local_fs $remote_fs
  17 ### END INIT INFO
  18
  19 [ -f /etc/sysconfig/network ] || exit 0
  20 . /etc/init.d/functions
  21 . /etc/sysconfig/network
  22
  23 # Check that networking is up.
  24 [ "${NETWORKING}" = "no" ] && exit 0
  25
  26 LUSTREFSTAB=`LC_ALL=C awk '!/^#/ && $3 == "lustre" && $4 !~ /noauto/ { print $2 }' /etc/fstab`
  27 LUSTREMTAB=`LC_ALL=C awk '!/^#/ && $3 == "lustre" { print $2 }' /proc/mounts`
  28
  29 # See how we were called.
  30 case "$1" in
  31   start)
  32         [ -n "$LUSTREFSTAB" ] && action $"Mounting Lustre filesystems: " mount -a -t lustre
  33         touch /var/lock/subsys/lustrefs
  34         ;;
  35   stop)
  36         [ -n "$LUSTREMTAB" ] && {
  37                 sig=
  38                 retry=3
  39                 remaining=`LC_ALL=C awk '!/^#/ && $3 ~ /^lustre/ && $2 != "/" {print $2}' /proc/mounts`
  40                 while [ -n "$remaining" -a "$retry" -gt 0 ]
  41                 do
  42                         if [ "$retry" -lt 3 ]; then
  43                                 action $"Unmounting Lustre filesystems (retry): " umount -f -a -t lustre
  44                         else
  45                                 action $"Unmounting Lustre filesystems: " umount -a -t lustre
  46                         fi
  47                         sleep 2
  48                         remaining=`LC_ALL=C awk '!/^#/ && $3 ~ /^lustre/ && $2 != "/" {print $2}' /proc/mounts`
  49                         [ -z "$remaining" ] && break
  50                         /sbin/fuser -k -m $sig $remaining >/dev/null
  51                         sleep 5
  52                         retry=$(($retry - 1))
  53                         sig=-9
  54                 done
  55         }
  56         rm -f /var/lock/subsys/lustrefs
  57         ;;
  58   status)
  59         if [ -f /proc/mounts ] ; then
  60                 [ -n "$LUSTREFSTAB" ] && {
  61                       echo $"Configured Lustre mountpoints: "
  62                       for fs in $LUSTREFSTAB; do echo $fs ; done
  63                 }
  64                 [ -n "$LUSTREMTAB" ] && {
  65                       echo $"Active Lustre mountpoints: "
  66                       for fs in $LUSTREMTAB; do echo $fs ; done
  67                 }
  68         else
  69                 echo $"/proc filesystem unavailable"
  70         fi
  71         ;;
  72   restart)
  73         $0 stop
  74         $0 start
  75         ;;
  76   reload)
  77         $0 start
  78         ;;
  79   *)
  80         echo $"Usage: $0 {start|stop|restart|reload|status}"
  81         exit 1
  82 esac
  83
  84 exit 0