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#!/sbin/runscript
# Distributed under the terms of the GNU General Public License v2
# Copright 2001-2008 LINBIT Information Technologies
# Philipp Reisner, Lars Ellenberg
# Original script adapted to gentoo environment
depend() {
use logger
need net
before heartbeat
after sshd
}
opts="${opts} reload"
DEFAULTFILE="/etc/conf.d/drbd"
DRBDADM="/sbin/drbdadm"
PROC_DRBD="/proc/drbd"
MODPROBE="/sbin/modprobe"
RMMOD="/sbin/rmmod"
UDEV_TIMEOUT=10
ADD_MOD_PARAM=""
if [ -f $DEFAULTFILE ]; then
. $DEFAULTFILE
fi
# Just in case drbdadm want to display any errors in the configuration
# file, or we need to ask the user about registering this installation
# at http://usage.drbd.org, we call drbdadm here without any IO
# redirection.
$DRBDADM sh-nop
function assure_module_is_loaded
{
[ -e "$PROC_DRBD" ] && return
ebegin "Loading drbd module"
ret=0
$MODPROBE -s drbd `$DRBDADM sh-mod-parms` $ADD_MOD_PARAM || ret=20
eend $ret
return $ret
}
function adjust_with_progress
{
IFS_O=$IFS
NEWLINE='
'
IFS=$NEWLINE
local D=0
local S=0
local N=0
einfon "Setting drbd parameters "
COMMANDS=`$DRBDADM -d adjust all` || {
eend 20 "Error executing drbdadm"
return 20
}
echo -n "[ "
for CMD in $COMMANDS; do
if echo $CMD | grep -q disk; then echo -n "d$D "; D=$(( D+1 ));
elif echo $CMD | grep -q syncer; then echo -n "s$S "; S=$(( S+1 ));
elif echo $CMD | grep -q net; then echo -n "n$N "; N=$(( N+1 ));
else echo echo -n ".. ";
fi
IFS=$IFS_O
$CMD || {
echo
eend 20 "cmd $CMD failed!"
return 20
}
IFS=$NEWLINE
done
echo "]"
eend 0
IFS=$IFS_O
}
start() {
einfo "Starting DRBD resources:"
eindent
assure_module_is_loaded || return $?
adjust_with_progress || return $?
# make sure udev has time to create the device files
ebegin "Waiting for udev device creation ..."
for RESOURCE in `$DRBDADM sh-resources`; do
for DEVICE in `$DRBDADM sh-dev $RESOURCE`; do
UDEV_TIMEOUT_LOCAL=$UDEV_TIMEOUT
while [ ! -e $DEVICE ] && [ $UDEV_TIMEOUT_LOCAL -gt 0 ] ; do
sleep 1
UDEV_TIMEOUT_LOCAL=$(( $UDEV_TIMEOUT_LOCAL-1 ))
done
done
done
eend 0
einfon "Waiting for connection "
$DRBDADM wait-con-int
echo
ret=$?
eend $ret
return $ret
}
stop() {
ebegin "Stopping all DRBD resources"
# Check for mounted drbd devices
if ! grep -q '^/dev/drbd' /proc/mounts &>/dev/null; then
if [ -e ${PROC_DRBD} ]; then
${DRBDADM} down all
${RMMOD} drbd
fi
ret=$?
eend $ret
return $ret
else
einfo "drbd devices mounted, please umount them before trying to stop drbd!"
eend 1
return 1
fi
}
status() {
# NEEDS to be heartbeat friendly...
# so: put some "OK" in the output.
if [ -e $PROC_DRBD ]; then
ret=0
ebegin "drbd driver loaded OK; device status:"
eend $ret
cat $PROC_DRBD
else
ebegin "drbd not loaded"
ret=3
eend $ret
fi
return $ret
}
reload() {
ebegin "Reloading DRBD"
${DRBDADM} adjust all
ret=$?
eend $ret
return $ret
}
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