home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Chip 2007 January, February, March & April
/
Chip-Cover-CD-2007-02.iso
/
boot
/
i386
/
rescue
/
etc
/
init.d
/
boot.multipath
< prev
next >
Wrap
Text File
|
2006-11-29
|
3KB
|
105 lines
#! /bin/sh
# Copyright (c) 2005 SuSE GmbH Nuernberg, Germany.
#
# Author: Hannes Reinecke <feedback@suse.de>
#
# init.d/boot.multipath
#
### BEGIN INIT INFO
# Provides: boot.multipath
# Required-Start: boot.device-mapper boot.udev
# Required-Stop:
# Default-Start: B
# Default-Stop:
# Description: Create multipath device targets
### END INIT INFO
PATH=/bin:/usr/bin:/sbin:/usr/sbin
PROGRAM=/sbin/multipath
# Set the maximum number of open files
MAX_OPEN_FDS=4096
test -x $PROGRAM || exit 5
# Shell functions sourced from /etc/rc.status:
# rc_check check and set local and overall rc status
# rc_status check and set local and overall rc status
# rc_status -v ditto but be verbose in local rc status
# rc_status -v -r ditto and clear the local rc status
# rc_failed set local and overall rc status to failed
# rc_reset clear local rc status (overall remains)
# rc_exit exit appropriate to overall rc status
. /etc/rc.status
# First reset status of this service
rc_reset
# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - misc error
# 2 - invalid or excess args
# 3 - unimplemented feature (e.g. reload)
# 4 - insufficient privilege
# 5 - program not installed
# 6 - program not configured
# 7 - program is not running
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.
case "$1" in
start)
echo -n "Creating multipath targets"
# Check whether multipath daemon is already running
if /sbin/multipathd -k"list paths" > /dev/null 2>&1 ; then
echo -n " (multipathd running)"
rc_status -v
rc_exit
fi
# Load prerequisite module
modprobe dm-multipath
# Be a chicken and flush all existing maps
$PROGRAM -F
# Clear /dev/disk/by-name/ prior to start-up; multipath will
# recreate them.
rm -f /dev/disk/by-name/* 2>&1 >/dev/null
# Set the maximum number of open files
if [ -n "$MAX_OPEN_FDS" ] ; then
ulimit -n $MAX_OPEN_FDS
fi
# Start the program directly as checkproc doesn't work here
$PROGRAM -v 0
# Create all partitions which might have been missing
/sbin/dmsetup ls --target multipath --exec "/sbin/kpartx -a -p -part"
# Remember status and be verbose
rc_status -v
sleep 1
;;
stop)
# Remove all partition mappings
if dmsetup ls | grep -q -- -part; then
/sbin/dmsetup ls --target multipath --exec "/sbin/kpartx -d -p -part"
fi
# And remove the multipath mappings themselves
for map in $(/sbin/dmsetup ls --target multipath | cut -f 1); do
/sbin/dmsetup remove $map
done
;;
*)
echo "Usage: $0 {start|stop}"
exit 1
;;
esac
rc_exit