diff options
Diffstat (limited to 'debian/initramfs')
-rw-r--r-- | debian/initramfs/hook | 110 | ||||
-rw-r--r-- | debian/initramfs/script.local-block | 44 | ||||
-rw-r--r-- | debian/initramfs/script.local-bottom | 3 |
3 files changed, 157 insertions, 0 deletions
diff --git a/debian/initramfs/hook b/debian/initramfs/hook new file mode 100644 index 00000000..ae7d4d18 --- /dev/null +++ b/debian/initramfs/hook @@ -0,0 +1,110 @@ +#!/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 + +PREREQ="udev" +prereqs() +{ + echo "$PREREQ" +} + +case "${1:-}" in + prereqs) + prereqs + exit 0 + ;; +esac + +is_true() +{ + case "${1:-}" in + [Yy]es|[Yy]|1|[Tt]rue|[Tt]) return 0;; + *) return 1;; + esac +} + +write() +{ + local PREFIX; PREFIX=$1; shift + echo "${PREFIX}: mdadm: $@" >&2 +} + +info() +{ + is_true ${VERBOSE:-false} && write I "$@" || : +} + +warn() +{ + write W "$@" +} + +. /usr/share/initramfs-tools/hook-functions + +# copy the binary as early as possible +copy_exec /sbin/mdadm /sbin +copy_exec /sbin/mdmon /sbin + +# Copy udev rules, which udev no longer does +for UDEV_RULE in 63-md-raid-arrays.rules 64-md-raid-assembly.rules; do +for rules_folder in /lib/udev/rules.d /etc/udev/rules.d; do + if [ -f $rules_folder/$UDEV_RULE ]; then + mkdir -p $DESTDIR$rules_folder + cp $rules_folder/$UDEV_RULE $DESTDIR$rules_folder/$UDEV_RULE + fi +done +done + +# load raid modules in the initramfs +for module in linear multipath raid0 raid1 raid456 raid5 raid6 raid10; do + force_load $module +done + +# copy the mdadm configuration +CONFIG=/etc/mdadm/mdadm.conf +ALTCONFIG=/etc/mdadm.conf +DESTMDADMCONF=$DESTDIR/etc/mdadm/mdadm.conf +[ ! -f $CONFIG ] && [ -f $ALTCONFIG ] && CONFIG=$ALTCONFIG || : +mkdir -p ${DESTDIR}/etc/mdadm + +if [ ! -f $CONFIG ]; then + # there is no configuration file, so let's create one + if /usr/share/mdadm/mkconf generate $CONFIG; then + # all is well + cp -p $CONFIG $DESTMDADMCONF + info "auto-generated the mdadm.conf configuration file." + else + # we failed to auto-generate, so let the emergency procedure take over + warn "failed to auto-generate the mdadm.conf file." + warn "please read /usr/share/doc/mdadm/README.upgrading-2.5.3.gz ." + fi +else + cp -p $CONFIG ${DESTDIR}/etc/mdadm + sed -i '/^CREATE/s/^/#/' $DESTMDADMCONF + if ! grep -q '^ARRAY' $CONFIG; then + tmpfile="${DESTMDADMCONF}.tmp" + warn "$CONFIG defines no arrays." + if /usr/share/mdadm/mkconf > $tmpfile; then + cp -p $tmpfile $DESTMDADMCONF + else + warn "failed to auto-generate temporary mdadm.conf file." + fi + else + # make sure the configuration file knows about all running devices + /sbin/mdadm --detail --scan | while read array device params; do + uuid=${params#*UUID=}; uuid=${uuid%% *} + if ! grep -q "UUID=$uuid" $DESTMDADMCONF; then + warn "the array $device with UUID $uuid" + warn "is currently active, but it is not listed in mdadm.conf. if" + warn "it is needed for boot, then YOUR SYSTEM IS NOW UNBOOTABLE!" + warn "please inspect the output of /usr/share/mdadm/mkconf, compare" + warn "it to $CONFIG, and make the necessary changes." + fi + done + fi +fi diff --git a/debian/initramfs/script.local-block b/debian/initramfs/script.local-block new file mode 100644 index 00000000..e9b47c3d --- /dev/null +++ b/debian/initramfs/script.local-block @@ -0,0 +1,44 @@ +#!/bin/sh + +PREREQ="multipath" + +prereqs() +{ + echo "$PREREQ" +} + +case $1 in +# get pre-requisites +prereqs) + prereqs + exit 0 + ;; +esac + +# Poor man's mdadm-last-resort@.timer +# That kicks in 2/3rds into the ROOTDELAY + +if [ ! -f /run/count.mdadm.initrd ] +then + COUNT=0 +else + COUNT=$(cat /run/count.mdadm.initrd) +fi +COUNT=$((COUNT + 1)) + +echo $COUNT > /run/count.mdadm.initrd + +MAX=30 +if [ ${ROOTDELAY:-0} -gt $MAX ]; then + MAX=$ROOTDELAY +fi +MAX=$((MAX*2/3)) + +if [ "$COUNT" = "$MAX" ] +then + # Poor man's mdadm-last-resort@.service + mdadm -q --run /dev/md?* + rm -f /run/count.mdadm.initrd +fi + +exit 0 diff --git a/debian/initramfs/script.local-bottom b/debian/initramfs/script.local-bottom new file mode 100644 index 00000000..eda3b179 --- /dev/null +++ b/debian/initramfs/script.local-bottom @@ -0,0 +1,3 @@ +#!/bin/sh +rm -f /run/count.mdadm.initrd +exit 0
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