diff options
| -rw-r--r-- | debian/vyatta-cfg-system.postinst.in | 7 | ||||
| -rw-r--r-- | scripts/vyatta-raid-event | 104 |
2 files changed, 111 insertions, 0 deletions
diff --git a/debian/vyatta-cfg-system.postinst.in b/debian/vyatta-cfg-system.postinst.in index 53fa062c..21d7ff32 100644 --- a/debian/vyatta-cfg-system.postinst.in +++ b/debian/vyatta-cfg-system.postinst.in @@ -111,6 +111,13 @@ sed -i 's/requisite[ \t][ \t]*pam_securetty.so/required pam_securetty.so/' $root [ grep "blacklist.*snd-pcsp" >&/dev/null ] || echo "blacklist snd-pcsp" >>/etc/modprobe.d/blacklist +# +# Ask mdadm to call our own event handling daemon +# +if [ -e /etc/default/mdadm ]; then + sed -i 's+^DAEMON_OPTIONS=.*$+DAEMON_OPTIONS="--syslog --program /opt/vyatta/sbin/vyatta-raid-event"+' /etc/default/mdadm +fi + # Local Variables: # mode: shell-script # sh-indentation: 4 diff --git a/scripts/vyatta-raid-event b/scripts/vyatta-raid-event new file mode 100644 index 00000000..f279a57d --- /dev/null +++ b/scripts/vyatta-raid-event @@ -0,0 +1,104 @@ +#!/bin/bash +# +# **** License **** +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# This code was originally developed by Vyatta, Inc. +# Portions created by Vyatta are Copyright (C) 2006, 2007 Vyatta, Inc. +# All Rights Reserved. +# +# Author: Bob Gilligan <gilligan@vyatta.com> +# Date: 2008 +# Description: A script to handle events from the Linux Software RAID +# subsystem. +# +# **** End License **** +# +# This script is called by the "mdadm" daemon running in "monitor" mode +# whenever an event occurs in in the RAID subsytem. The script is called +# with two or three arguments: The first argument is always the name of +# the event, e.g. "RebuildFinished". The second argument is the name of +# the RAID set device that the event pertains to, e.g. "/dev/md0". The +# third argument is provided for some events, and gives the name of the +# RAID set member that the event pertains to, e.g. "/dev/sda2". +# +# See the mdadm(8) man page for more details on the events that it provides. +# + +# Script will be called with 2 or 3 arguments, depending on the event +if [ $# -lt 2 ]; then + logger -t "RAID" -p local0.warning "vyatta-raid-event: Error: Not enough args: $*" + # We can't do anything if we don't know event and RAID device it + # pertains to. + exit 1 +fi +if [ $# -gt 3 ]; then + logger -t "RAID" -p local0.warning "vyatta-raid-event: Warning: too many args: $*" + # Be Robust: Try to complete task with args we know about +fi + +event=$1 +raid_set=$2 + +case $event in + + RebuildFinished) + logger -t "RAID" -p local0.warning "event ${event} ${raid_set}" + + # We need to update grub at the time that a resync completes + # on the root filesystem so that the new member disk will be + # bootable. + mounted_on=`mount | grep "^${raid_set}" | awk '{ print $3 }'` + if [ "$mounted_on" = "/" ]; then + raid_set_dev=${raid_set##*/} + if [ -e /sys/block/${raid_set_dev}/md/degraded ]; then + degraded=`cat /sys/block/${raid_set_dev}/md/degraded` + else + degraded=0 + fi + if [ $degraded -eq 0 ]; then + drive=${member_to_add%%[0-9]*} + logger -t "RAID" -p local0.warning \ + "RAID set ${raid_set} holds root filesystem. Updating grub." + touch /tmp/raid-grub-install-log + grub-install --no-floppy --recheck --root-directory=/ ${raid_set} \ + >> /tmp/raid-grub-install-log 2>&1 + if [ $? -ne 0 ]; then + logger -t "RAID" -p local0.warning \ + "grub-installed failed for $raid_set" + fi + else + logger -t "RAID" -p local0.warning \ + "RAID set ${raid_set} is still degraded. No action taken." + fi + else + logger -t "RAID" -p local0.warning \ + "RAID set ${raid_set} does not hold root filesystem. No action taken" + fi + ;; + + DeviceDisappeared | RebuildStarted | Rebuild?? | NewArray | \ + DegradedArray | MoveSpare | SparesMissing | TestMessage) + logger -t "RAID" -p local0.warning \ + "event ${event} ${raid_set}: No action taken" + ;; + + Fail | FailSpare | SpareActive) + member=$3 + logger -t "RAID" -p local0.warning \ + "event ${event} ${raid_set} ${member}: No action taken" + ;; + + *) + logger -t "RAID" -p local0.warning \ + "event ${event} unknown. No action taken" + ;; + + esac |