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| Current File : //etc/rcS.d/S06hdparm |
#!/bin/sh
### BEGIN INIT INFO
# Provides: hdparm
# Required-Start: mountdevsubfs
# Required-Stop:
# Should-Start: udev
# Default-Start: S
# Default-Stop:
# Short-Description: Tune IDE hard disks
### END INIT INFO
set -e
. /lib/lsb/init-functions
# Defaults for configuration variables.
RAID_WORKAROUND=no
# Source the defaults file.
[ -e /etc/default/hdparm ] && . /etc/default/hdparm
raid_speed_limit_min=
raid_speed_limit_max=
case "$0" in
*hdparm)
FIRST=yes
;;
*)
FIRST=no
;;
esac
case "$1" in
start|restart|reload|force-reload)
UDEV=no
;;
hotplug)
UDEV=yes
[ "$DEVNAME" ] || exit 1
;;
stop)
exit 0
;;
*)
log_failure_msg "Usage: $0 {stop|start|restart|reload|force-reload|hotplug}" >&2
exit 3
;;
esac
if [ "$FORCE_RUN" != 'yes' ]; then
if [ -e /proc/cmdline ]; then #linux only - future proofing against BSD and Hurd :)
if grep -wq "nohdparm" /proc/cmdline ; then
log_warning_msg "Skipping setup of disc parameters."
exit 0
fi
fi
raidstat=OK
if [ -e /proc/mdstat ]; then
if egrep -iq "resync|repair|recover|check" /proc/mdstat; then
raidstat=RESYNC
fi
elif [ -e /proc/rd/status ]; then
raidstat=`cat /proc/rd/status`
fi
if ! [ "$raidstat" = 'OK' ] && [ "$RAID_WORKAROUND" != "yes" ]; then
log_failure_msg "RAID status not OK. Exiting."
exit 0
fi
fi
slow_down_raid_sync()
{
if [ -f /proc/sys/dev/raid/speed_limit_min ]; then
raid_speed_limit_min=`cat /proc/sys/dev/raid/speed_limit_min`
echo 0 >/proc/sys/dev/raid/speed_limit_min
fi
if [ -f /proc/sys/dev/raid/speed_limit_max ]; then
raid_speed_limit_max=`cat /proc/sys/dev/raid/speed_limit_max`
echo 0 >/proc/sys/dev/raid/speed_limit_max
fi
sleep 2
trap undo_slow_down_raid_sync EXIT
}
undo_slow_down_raid_sync()
{
if [ -f /proc/sys/dev/raid/speed_limit_min ] && [ "x$raid_speed_limit_min" != "x" ]; then
echo $raid_speed_limit_min >/proc/sys/dev/raid/speed_limit_min
fi
if [ -f /proc/sys/dev/raid/speed_limit_max ] && [ "x$raid_speed_limit_max" != "x" ]; then
echo $raid_speed_limit_max >/proc/sys/dev/raid/speed_limit_max
fi
}
set_option()
{
if test -n "$DISC"; then
NEW_OPT=
for i in $OPTIONS; do
if test x${i%${i#??}} != x${1%${1#??}}; then
NEW_OPT="$NEW_OPT $i"
else
NEW_OPT=${NEW_OPT%-q}
fi
done
OPTIONS="$NEW_OPT $OPT_QUIET $1"
else
NEW_DEF=
for i in $DEFAULT; do
if test x${i%${i#??}} != x${1%${1#??}}; then
NEW_DEF="$NEW_DEF $i"
else
NEW_DEF=${NEW_DEF%-q}
fi
done
DEFAULT="$NEW_DEF $DEF_QUIET $1"
fi
}
eval_value()
{
case $1 in
off|0)
set_option "$2"0
;;
on|1)
set_option "$2"1
;;
*)
log_failure_msg "Unknown Value for $2: $1"
exit 1
;;
esac
}
WAS_RUN=0
# Turn off RAID synchronisation if needed and asked for.
if [ "$raidstat" != 'OK' ] && [ "$RAID_WORKAROUND" = "yes" ]; then
slow_down_raid_sync
fi
# Get blocks as far as the drive's write cache.
/bin/sync
[ "$UDEV" = 'yes' ] || log_daemon_msg "Setting parameters of disc"
DISC=
DEFAULT=
OPTIONS=
DEF_QUIET=
OPT_QUIET=
egrep -v '^[[:space:]]*(#|$)' /etc/hdparm.conf |
{
while read KEY SEP VALUE; do
if [ "$NEXT_LINE" != 'go' ]; then
case $SEP in
'{')
case $KEY in
command_line)
NEXT_LINE=go
unset DISC
unset OPTIONS
unset OPT_QUIET
if [ "$UDEV" = 'yes' ]; then
IN_BLOCK=0
fi
;;
*)
if [ -h "$KEY" ]; then
DISC=$(readlink -m "$KEY")
else
DISC=$KEY
fi
OPTIONS=$DEFAULT
OPT_QUIET=$DEF_QUIET
WAS_RUN=0
if [ "$UDEV" = 'yes' ]; then
if [ "$DISC" = "$DEVNAME" ]; then
IN_BLOCK=1
else
IN_BLOCK=0
fi
fi
;;
esac
;;
=)
case $KEY in
read_ahead_sect)
set_option -a$VALUE
;;
lookahead)
eval_value $VALUE -A
;;
bus)
eval_value $VALUE -b
;;
apm)
set_option -B$VALUE
;;
io32_support)
set_option -c$VALUE
;;
dma)
eval_value $VALUE -d
;;
defect_mana)
eval_value $VALUE -D
;;
cd_speed)
set_option -E$VALUE
;;
mult_sect_io)
set_option -m$VALUE
;;
prefetch_sect)
set_option -P$VALUE
;;
read_only)
eval_value $VALUE -r
;;
spindown_time)
case "$VALUE" in
*[hms])
case "$VALUE" in
*h)
time=$((${VALUE%h} * 3600))
;;
*m)
time=$((${VALUE%m} * 60))
;;
*s)
time=${VALUE%s}
;;
esac
if [ $time -lt 1260 ]; then # up to 21 minutes
new_VALUE=$(($time / 5))
if [ $new_VALUE -gt 240 ]; then
new_VALUE=240
fi
if [ $(($new_VALUE * 5)) -ne $time ]; then
log_warning_msg "$VALUE not possible, using $(($new_VALUE * 5)) seconds"
fi
VALUE=$new_VALUE
elif [ $time -lt 1800 ]; then
if [ $time -ne 1260 ]; then
log_warning_msg "$VALUE not possible, using 21 minutes"
fi
VALUE=252
else
new_time=$(($time / 1800))
if [ $new_time -gt 11 ]; then
new_time=11
fi
if [ $((new_time * 1800)) -ne $time ]; then
log_warning_msg "$VALUE not possible, using $(($new_time * 30)) minutes"
fi
VALUE=$((new_time + 240))
fi
;;
esac
set_option -S$VALUE
;;
poweron_standby)
eval_value $VALUE -s
;;
interrupt_unmask)
eval_value $VALUE -u
;;
write_cache)
eval_value $VALUE -W
;;
transfer_mode)
set_option -X$VALUE
;;
acoustic_management)
set_option -M$VALUE
;;
keep_settings_over_reset)
eval_value $VALUE -k
;;
keep_features_over_reset)
eval_value $VALUE -K
;;
chipset_pio_mode)
set_option -p$VALUE
;;
security_unlock)
set_option --security-unlock $VALUE
;;
security_pass)
set_option --security-set-pass $VALUE
;;
security_disable)
set_option --security-disable $VALUE
;;
user-master)
set_option --user-master $VALUE
;;
security_mode)
set_option --security-mode $VALUE
;;
ROOTFS)
ROOTFS=$VALUE
;;
*)
log_failure_msg "Unknown option $KEY"
exit 1
;;
esac
;;
"")
case $KEY in
'}')
if [ -z "$DISC" ] && [ "$WAS_RUN" != '1' ]; then
log_failure_msg "No disk enabled. Exiting"
exit 1
fi
if [ -n "$OPTIONS" ] && [ -b "$DISC" ]; then
if [ -n "$ROOTFS" ]; then
if [ "$FIRST" = 'yes' ] && [ "$DISC" != "$ROOTFS" ]; then
continue
fi
if [ "$FIRST" = 'no' ] && [ "$DISC" = "$ROOTFS" ]; then
continue
fi
fi
ret=0
if [ "$UDEV" = 'yes' ] && [ "$IN_BLOCK" = 1 ]; then
# Flush the drive's internal write cache to the disk.
/sbin/hdparm -q -f $DISC 2>/dev/null || ret=$?
/sbin/hdparm $OPTIONS $DISC 2>/dev/null || ret=$?
if [ "$VERBOSE" = 'yes' ]; then
log_progress_msg " $DISC"
log_end_msg $ret || true
fi
elif [ "$UDEV" = 'no' ]; then
/sbin/hdparm -q -f $DISC 2>/dev/null || ret=$?
/sbin/hdparm $OPTIONS $DISC 2>/dev/null || ret=$?
WAS_RUN=1
log_progress_msg " $DISC"
log_end_msg $ret || true
fi
fi
;;
quiet)
if [ -n "$DISC" ]; then
OPT_QUIET=-q
else
DEF_QUIET=-q
fi
;;
standby)
set_option -y
;;
sleep)
set_option -Y
;;
disable_seagate)
set_option -Z
;;
security_freeze)
set_option --security-freeze
;;
*)
log_failure_msg "unknown option $KEY"
exit 1
;;
esac
;;
*)
log_failure_msg "unknown separator $SEP"
exit 1
;;
esac
else
$KEY $SEP $VALUE
NEXT_LINE=no-go
WAS_RUN=1
fi
done
if [ -n "$harddisks" ] && [ -n "$hdparm_opts" ] && [ "$UDEV" = 'no' ]; then
ret=0
for drive in $harddisks; do
WAS_RUN=1
log_progress_msg "$drive "
/sbin/hdparm -q -f $drive 2>/dev/null|| ret=$?
/sbin/hdparm -q $hdparm_opts -q $drive 2>/dev/null|| ret=$?
done
log_end_msg $ret || true
fi
if [ "$UDEV" = 'no' -a "$WAS_RUN" = 0 ]; then
log_progress_msg "(none)"
log_end_msg 0
fi
}
exit 0