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|
#!/bin/sh
#
# Startup RAID-arrays that aren't already running, or stop
# all active arrays mentioned in raidtab.
#
# Written by Rainer Weikusat <weikusat@students.uni-mainz.de>
# Some modifications by Pekka Aleksi Knuutila <pa@debian.org>
#* parameters
#
PATH=/sbin:/bin
RAIDSTART=/sbin/raidstart
RAIDSTOP=/sbin/raidstop
RAID0RUN=/sbin/raid0run
CONFIG=/etc/raidtab
#* functions
#
list_devices()
{
sed 's/#.*$//' $CONFIG | grep raiddev | while read REPLY;
do
set -- $REPLY
echo $2
done
}
is_active()
{
# remove the leading /dev/, and possibly / from the middle
NAME=$(echo $1 | sed -e 's/^\/dev\/\(md\)\/*\(.*\)$/\1\2/')
grep -q "^$NAME : active" /proc/mdstat
}
read_param() # $1: raiddev $2: param-name
{
DEV="$1"
PARAM="$2"
sed 's/#.*$//' $CONFIG | while read REPLY;
do
set -- $REPLY
if [ "$1" = raiddev -a "$2" = $DEV ];
then
while read REPLY;
do
set -- $REPLY
if [ "$1" = raiddev ];
then
break
fi
if [ "$1" = $PARAM ];
then
echo $2
fi
done
return
fi
done
}
start_device()
{
DEV="$1"
if [ "$(read_param $DEV persistent-superblock)" != 0 ];
then
$RAIDSTART --configfile $CONFIG $DEV && echo -n "$DEV "
else
case "$(read_param $DEV raid-level)" in
0|linear)
$RAID0RUN --configfile $CONFIG $DEV && echo -n "$DEV "
;;
*)
echo "Cannot auto-start old-style $DEV. See mkraid(8), -o" >&2
;;
esac
fi
}
#* main code
#
if [ ! -f /proc/mdstat -a -x /sbin/modprobe ]; then
modprobe -k md > /dev/null 2>&1
fi
if [ ! -f /proc/mdstat ]; then
echo 'raidtools2 init script failed; RAID drivers not available.' >&2
exit 1
fi
test -f $CONFIG || exit 0
case "$1" in
start)
test -x $RAIDSTART && test -x $RAID0RUN || exit 0
echo -n 'Starting RAID devices: '
list_devices | while read REPLY;
do
is_active $REPLY && continue
start_device $REPLY
done
echo done.
;;
stop)
test -x $RAIDSTOP || exit 0
echo -n 'Stopping RAID devices: '
list_devices | while read REPLY;
do
is_active $REPLY || continue
$RAIDSTOP --configfile $CONFIG $REPLY && echo -n "$REPLY "
done
echo done.
;;
restart|reload|force-reload)
$0 stop
sleep 2
$0 start
;;
esac
|
