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|
#!/bin/sh
#
# Copyright © 2006-2008 Martin F. Krafft <madduck@debian.org>,
# 2012 Michael Tokarev <mjt@tls.msk.ru>
# based on the scripts in the initramfs-tools package.
# released under the terms of the Artistic Licence.
#
set -eu
case ${1:-} in
prereqs) echo "multipath"; exit 0;;
esac
. /scripts/functions
maybe_break pre-mdadm
if [ -e /scripts/local-top/md ]; then
log_warning_msg "old md initialisation script found, getting out of its way..."
exit 0
fi
MDADM=/sbin/mdadm
[ -x "$MDADM" ] || exit 0
verbose()
{
case "$quiet" in y*|Y*|1|t*|T*)
return 1;;
*)
return 0;;
esac
}
MD_DEVS=all
[ -s /conf/mdadm ] && . /conf/mdadm
if [ "$MD_DEVS" = none ]; then
verbose &&
log_warning_msg "INITRDSTART set to \"none\" in /etc/default/mdadm, not assembling raid arrays"
exit 0
fi
if [ ! -f /proc/mdstat ] && ! modprobe -q md_mod; then
verbose && log_warning_msg "failed to load module md_mod."
fi
if [ ! -f /proc/mdstat ]; then
verbose && log_warning_msg "cannot initialise MD subsystem (/proc/mdstat missing)"
exit 0
fi
# handle /dev/md/X nodes
mkdir -p /dev/md
CONFIG=/etc/mdadm/mdadm.conf
# in case the hook failed to install a configuration file, this is our last
# attempt... the "emergency procedure"... <drumroll>
if [ ! -e $CONFIG ]; then
log_warning_msg "missing mdadm.conf file, trying to create one..."
mkdir -p ${CONFIG%/*}
echo DEVICE partitions > $CONFIG
$MDADM --examine --scan >> $CONFIG
if [ -s $CONFIG ]; then
verbose && log_success_msg "mdadm.conf created."
else
verbose && log_failure_msg "could not create mdadm.conf, the boot will likely fail."
fi
MD_DEVS=all
fi
if [ "$MD_DEVS" = all ]; then
verbose && log_begin_msg "Assembling all MD arrays"
extra_args=''
[ -n "${MD_HOMEHOST:-}" ] && extra_args="--homehost=$MD_HOMEHOST"
if $MDADM --assemble --scan --run --auto=yes${extra_args:+ $extra_args}; then
verbose && log_success_msg "assembled all arrays."
else
log_failure_msg "failed to assemble all arrays."
fi
verbose && log_end_msg
else
for dev in $MD_DEVS; do
verbose && log_begin_msg "Assembling MD array $dev"
if $MDADM --assemble --scan --run --auto=yes $dev; then
verbose && log_success_msg "started $dev"
else
log_failure_msg "failed to start $dev"
fi
verbose && log_end_msg
done
fi
wait_for_udev 10
maybe_break post-mdadm
exit 0
|
