rc.d/rc.shutdown

   1 #!/bin/sh
   2 #
   3 # shutdwn       Common script for system halt/reboot.
   4 #
   5 # Author:       Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
   6 # Changes:      Grzegorz Stanislawski <stangrze@open.net.pl>
   7 #               Arkadiusz Mi¶kiewicz <misiek@pld-linux.org>
   8 #
   9 # $Id$
  10
  11 # Set the path.
  12 PATH=/sbin:/bin:/usr/bin:/usr/sbin
  13
  14 # move to root dir
  15 cd /
  16
  17 IN_SHUTDOWN=yes
  18
  19 . /etc/rc.d/init.d/functions
  20
  21 # avoid keyboard interruption
  22 trap "echo" INT SEGV QUIT TERM
  23 set +e
  24
  25 rc_splash "reboot"
  26
  27 # Kill all processes.
  28 [ "${BASH+bash}" = bash ] && enable kill
  29
  30 runlevel=$1
  31 previous=$2
  32
  33 run_cmd "Sending all processes the TERM signal" killall5 -15
  34 sleep 5
  35 run_cmd "Sending all processes the KILL signal" killall5 -9
  36
  37 # Write to wtmp file before unmounting /var
  38 halt -w
  39
  40 # Turn off swap, then unmount file systems.
  41 run_cmd "Turning off swap" swapoff -a
  42
  43 [ -x /etc/rc.d/rc.acct ] && /etc/rc.d/rc.acct stop
  44
  45 if [ -x /sbin/quotaoff ]; then
  46         run_cmd "Turning off quotas for local filesystems" /sbin/quotaoff -a
  47 fi
  48
  49 if ! is_yes "$VSERVER"; then
  50         # Unmount file systems, killing processes if we have to.
  51         sig=-15
  52         retry=3
  53         force=
  54         remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  55         while [ -n "$remaining" -a "$retry" -gt 0 ]
  56         do
  57                 show "Unmounting file systems" ; busy
  58                 if ERRORS=$(umount -a $FORCE -t noproc,devfs 2>&1) ; then
  59                         ok
  60                 else
  61                         fail
  62                         [ -n "$ERRORS" ] && echo "$ERRORS"
  63                 fi
  64
  65                 sleep 2
  66                 remaining=$(awk '!/(^#| proc | loopfs | devfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  67                 [ -z "$remaining" ] && break
  68                 /sbin/fuser -k -m $sig $remaining > /dev/null
  69                 sleep 5
  70                 retry=$(($retry-1))
  71                 sig=-9
  72                 force="-f"
  73         done
  74
  75         run_cmd "Remounting root filesystem in ro mode" mount -n -o remount,ro /
  76
  77         if is_yes "$EVMS_LVM" || [ -x /sbin/vgscan -a -x /sbin/vgchange ]; then
  78                 lvmversion=$(/sbin/vgchange --version 2>/dev/null | awk '{gsub("vgchange: Logical Volume Manager ",""); gsub("LVM version:     ",""); gsub(/\..*/,"");print $1; exit}')
  79                 if [ "$lvmversion" = "2" ] ; then
  80                         lvmignorelock="--ignorelockingfailure"
  81                 else
  82                         lvmignorelock=""
  83                 fi
  84                 run_cmd "Stopping LVM volume groups" /sbin/vgchange -a n $lvmignorelock
  85         fi
  86
  87         goraidtab=1
  88         if [ -x /sbin/mdadm -a -f /etc/mdadm.conf ]; then
  89                 if (grep -qE "^([[:blank:]]|)ARRAY[[:blank:]]" /etc/mdadm.conf 2>/dev/null); then
  90                         run_cmd "Turning off RAID devices" /sbin/mdadm --stop --scan
  91                         rc=$?
  92                         [ "$rc" -eq 0 ] && goraidtab=0
  93                 fi
  94         fi
  95
  96         # turn off raid
  97         if [ -x /sbin/raidstop -a -f /etc/raidtab -a "$goraidtab" -eq 1 ]; then
  98                 # we can not use raidstop -a here because this will only stop
  99                 # devices listed in the default config file which is not always
 100                 # the case. So we look only for the active raid devices
 101                 if [ -f /proc/mdstat ] ; then
 102                         mddevs=$(awk '/^md.* active/ {print $1}' /proc/mdstat)
 103                         for mddev in $mddevs ; do
 104                                 show "Turning off RAID for %s" "$mddev"
 105                                 daemon /sbin/raidstop /dev/$mddev
 106                         done
 107                         unset mddev mddevs
 108                 fi
 109                 # runcmd "Turning off RAID" /sbin/raidstop -a
 110         fi
 111
 112         show "Remounting remaining filesystems ro mode"; busy
 113         if ( mount | awk '/ext2|ext3|reiserfs|xfs|jfs/ { print $3 }' | \
 114                 while read line; do
 115                 mount -n -o ro,remount $line; done ); then
 116                 ok
 117         else
 118                 fail
 119         fi
 120 fi
 121
 122 if ! is_yes "$VSERVER"; then
 123         _rebootwhat="system"
 124 else
 125         _rebootwhat="vserver"
 126 fi
 127
 128 if [ "$runlevel" = "0" ] ; then
 129         show "The $_rebootwhat is halted"; ok
 130         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 131
 132         if [ -x /sbin/poweroff-ups -a -f /etc/killpower -a -f /etc/sysconfig/ups ] ; then
 133                 . /etc/sysconfig/ups
 134                 is_yes "$POWEROFF_UPS" && /sbin/poweroff-ups
 135         fi
 136         [ "$previous" != "unknown" ] && eval halt -d -p
 137 else
 138         show "Please stand by while rebooting the $_rebootwhat"; ok
 139         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 140         [ -x /sbin/kexec ] && /sbin/kexec -e
 141         [ "$previous" != "unknown" ] && eval reboot -d
 142 fi
 143
 144 # This must be last line !
 145 # vi:syntax=sh