diff options
Diffstat (limited to 'debian/mdadm-raid')
-rw-r--r-- | debian/mdadm-raid | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/debian/mdadm-raid b/debian/mdadm-raid new file mode 100644 index 00000000..6d4d6a99 --- /dev/null +++ b/debian/mdadm-raid @@ -0,0 +1,256 @@ +#!/bin/sh +# +# Start all arrays specified in the configuration file. +# +# Copyright © 2001-2005 Mario Jou/3en <joussen@debian.org> +# Copyright © 2005-2008 Martin F. Krafft <madduck@debian.org> +# Distributable under the terms of the GNU GPL version 2. +# +### BEGIN INIT INFO +# Provides: mdadm-raid +# Required-Start: mountkernfs hostname +# Should-Start: udev multipath-tools-boot +# X-Start-Before: checkfs mountall +# Required-Stop: mountkernfs +# Should-Stop: udev +# X-Stop-After: umountfs +# Default-Start: S +# Default-Stop: 0 6 +# Short-Description: MD array assembly +# Description: This script assembles a system's MD arrays, according to +# the settings in /etc/mdadm/mdadm.conf and the preferences +# in /etc/default/mdadm. +### END INIT INFO +# +set -eu + +MDADM=/sbin/mdadm +CONFIG=/etc/mdadm/mdadm.conf +ALTCONFIG=/etc/mdadm.conf +DEBIANCONFIG=/etc/default/mdadm + +test -x "$MDADM" || exit 0 + +STATEDIR=/run/mdadm +test -f $DEBIANCONFIG && . $DEBIANCONFIG + +. /lib/lsb/init-functions + +short_dev() +{ + local dev; dev=${1##*/} + case "$dev" in + md*|md_*|mdp*|mdp_*) echo "$dev";; + d*) echo "md_${dev}";; + *) echo "md${dev}";; + esac +} + +log() +{ + case "$1" in + [[:digit:]]*) success=$1; shift;; + *) :;; + esac + log_action_begin_msg "$1"; shift + log_action_end_msg ${success:-0} "$*" +} + +log_dev() +{ + success=${1:-}; shift + dev=${1:-}; shift + log $success "${PREFIX:-} $(short_dev ${dev:-})" "$*" +} + +log_notice() +{ + log 0 "${PREFIX:-}s" "$*" +} + +log_problem() +{ + log 1 "${PREFIX:-}s" "$*" +} + +is_true() +{ + case "${1:-}" in + [Yy]es|[Yy]|1|[Tt]rue|[Tt]) return 0;; + *) return 1;; + esac +} + +case "${1:-}" in + + start) + PREFIX="Assembling MD array" + + if [ ! -f /proc/mdstat ] && [ -x "$(command -v modprobe)" ] ; then + modprobe -q md 2>/dev/null || : + fi + if [ ! -f /proc/mdstat ]; then + log_problem "failed to load MD subsystem" + exit 0 + fi + + if [ ! -f $CONFIG -a ! -f $ALTCONFIG ]; then + log_problem "no $CONFIG file" + exit 0 + fi + + # handle devfs-style names and version-1 devices + # fail gracefully in case we're on a read-only filesystem, in which + # case it's safe to assume that the admin knows what s/he's doing. + # See (#382876). + mkdir --parent /dev/md || : + + # ugly hack because shell sucks + IFSOLD=${IFS:-} + IFS=' +' + for line in $($MDADM --assemble --scan --auto=yes --symlink=no 2>&1); do + IFS=$IFSOLD + set -- $line + shift + + case "$@" in + + 'No arrays found in config file'*) + # no point in carrying on. + shift + log_notice "no $*" + exit 0 + ;; + + 'Unknown keyword'*) + # warn only + if [ -x $(command -v logger >/dev/null) ]; then + logger -t mdadm -p syslog.warning -- "$*" + elif [ -w /dev/console ]; then + echo "mdadm: $*" > /dev/console + else + echo "mdadm: $*" >&2 + fi + ;; + + *' is already active.') + log_dev 0 $1 "already running" + ;; + + *'has been started with '[[:digit:]]*' drive'*' (out of '[[:digit:]]*') and '[[:digit:]]*' spare'*'.') + log_dev 0 $1 "initialising [$6/${10%).}]" + ;; + + *'has been started with '[[:digit:]]*' drive'*' (out of '[[:digit:]]*').') + log_dev 0 $1 "degraded [$6/${10%).}]" + ;; + + *'has been started with '[[:digit:]]*' drive'*'.') + log_dev 0 $1 "started [$6/$6]" + ;; + + *'assembled from '[[:digit:]]*' drive'*' - not enough to start the array.') + log_dev 1 $1 "not enough devices" + ;; + + 'no devices found for '*) + log_dev 1 $5 "no devices found" + ;; + + 'failed to RUN_ARRAY '*': Input/output error') + log_dev 1 ${4%:} "RUN_ARRAY input/output error" + ;; + + *) :;; + esac + done + ret=$? + + log_action_begin_msg "Generating udev events for MD arrays" + [ -d $STATEDIR ] || mkdir -p $STATEDIR + for uevent in /sys/block/md*/uevent; do + test -e $uevent || break + sentinel=${uevent#/sys/block/}; sentinel=${sentinel%/uevent}-uevent + test -e $STATEDIR/$sentinel && continue + test -w $uevent || continue + echo add > $uevent + test -d $STATEDIR && : > $STATEDIR/$sentinel + done + log_action_end_msg 0 + + exit $ret + ;; + + stop) + PREFIX="Stopping MD array" + + if [ ! -f /proc/mdstat ]; then + log_problem "no MD subsystem loaded" + exit 0 + fi + + # ugly hack because shell sucks + IFSOLD=${IFS:-} + IFS=' +' + set +e + for line in $($MDADM --stop --scan 2>&1); do + set -e + IFS=$IFSOLD + set -- $line + shift + case "$@" in + + 'Unknown keyword'*) + # warn only + if [ -x $(command -v logger >/dev/null) ]; then + logger -t mdadm -p syslog.warning -- "$*" + elif [ -w /dev/console ]; then + echo "mdadm: $*" > /dev/console + else + echo "mdadm: $*" >&2 + fi + ;; + + 'stopped '*) + log_dev 0 $2 stopped + ;; + + 'fail to stop array '*': Device or resource busy') + log_dev 1 ${5%:} busy + ;; + + *) :;; + esac + done || exit $? + + rm -f $STATEDIR/md*-uevent + ;; + + restart|force-reload) + ${0:-} stop + ${0:-} start + ;; + + reload) + PREFIX="Reloading MD array" + log_notice "never anything to do" + ;; + + status) + if [ ! -f /proc/mdstat ]; then + log_problem "no MD subsystem loaded" + exit 1 + else + cat /proc/mdstat + fi + ;; + + *) + echo "Usage: ${0:-} {start|stop|restart}" >&2 + exit 1;; + +esac + +exit 0 |