Attachment 529615 Details for Bug 793954

init script 2 (boot.md-retry)

boot.md-retry (text/plain), 5.26 KB, created by Volker Kuhlmann on 2013-03-14 02:42:09 UTC

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Creator: Volker Kuhlmann

Created: 2013-03-14 02:42:09 UTC

Size: 5.26 KB

patch

obsolete

>#!/bin/sh
>#
># System startup script for checking MD RAID startup errors.
>#
>### BEGIN INIT INFO
># Provides:          boot.md-retry
># Required-Start:    boot.md boot.md-check
># Required-Stop:     $null
># Should-Start:      $null
># Should-Stop:       $null
># Default-Start:     B
># Default-Stop:
># Short-Description: Multiple Device RAID Retry
># Description:       Retry MD RAID start
>#       Because the md raid is not always started reliably, try again to
>#       start it.
>### END INIT INFO
>#
># Copyright (C) by Volker Kuhlmann
>#               http://volker.top.geek.nz/contact.html
># All rights reserved.
># Released under the terms of the GNU General Public License (GPL) Version 2.
># See http://www.gnu.org/ for details.
>#
># Volker Kuhlmann
>#   14 Mar 2013  Created.
>#
>
># Source LSB init functions
># providing start_daemon, killproc, pidofproc,
># log_success_msg, log_failure_msg and log_warning_msg.
># This is currently not used by UnitedLinux based distributions and
># not needed for init scripts for UnitedLinux only. If it is used,
># the functions from rc.status should not be sourced or used.
>#. /lib/lsb/init-functions
>
># Shell functions sourced from /etc/rc.status:
>#      rc_check         check and set local and overall rc status
>#      rc_status        check and set local and overall rc status
>#      rc_status -v     be verbose in local rc status and clear it afterwards
>#      rc_status -v -r  ditto and clear both the local and overall rc status
>#      rc_status -s     display "skipped" and exit with status 3
>#      rc_status -u     display "unused" and exit with status 3
>#      rc_failed        set local and overall rc status to failed
>#      rc_failed <num>  set local and overall rc status to <num>
>#      rc_reset         clear both the local and overall rc status
>#      rc_exit          exit appropriate to overall rc status
>#      rc_active        checks whether a service is activated by symlinks
>. /etc/rc.status
>
># Reset status of this service
>rc_reset
>
># Return values acc. to LSB for all commands but status:
># 0	  - success
># 1       - generic or unspecified error
># 2       - invalid or excess argument(s)
># 3       - unimplemented feature (e.g. "reload")
># 4       - user had insufficient privileges
># 5       - program is not installed
># 6       - program is not configured
># 7       - program is not running
># 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
>#
># Note that starting an already running service, stopping
># or restarting a not-running service as well as the restart
># with force-reload (in case signaling is not supported) are
># considered a success.
>
>mdadm_BIN=/sbin/mdadm
>mdadm_CONFIG="/etc/mdadm.conf"
>mdadm_SYSCONFIG="/etc/sysconfig/mdadm"
>
>mdlogdir="/var/log"
>mdlog="$mdlogdir/mdraid.log"
>
># Get MD RAID array info.
># NOTE: The same function is also in boot.md-check!
>getmdinfo() {
>    echo ""
>    echo ""
>    date "+%Y-%m-%d %T"
>    echo ""
>    cat /proc/mdstat | grep -v '^[ 	]*$'
>
>    local exitstatus=0 ret
>    while read -r devname colon rest; do
>    	case "$devname" in
>    	    md*)
>    	    	dev="/dev/$devname"
>    		if [ "$colon" = ":" ]; then
>    		    echo ""
>    		    mdadm --detail --test "$dev" | grep -v '^[ 	]*$'
>    		    mdadm --detail --test "$dev" >/dev/null
>    		    ret=$?
>    		    if [ $ret -ne 0 ]; then
>    	    		echo ">>>>>>>> ERROR $ret (mdadm -Dt) DETECTED \
>WITH ARRAY!! ***************************"
>    		    fi
>    		    if [ $ret -gt $exitstatus ]; then
>    	    		exitstatus=$ret
>    		    fi
>     		fi
>    	    	;;
>    	esac
>    done < /proc/mdstat
>    #return $exitstatus
>    test $exitstatus -eq 0
>}
>
>trystartarray() {
>#	if ! grep -qs '^[^#]*[^[:blank:]#]' $mdadm_CONFIG; then
>#		# empty or missing /etc/mdadm.conf, "unused"
>#		rc_status -u
>#	else
>#		# firstly finish any incremental assembly that has started.
>#		$mdadm_BIN -IRs
>#		$mdadm_BIN -A -s -c $mdadm_CONFIG
>#		# a status of 2 is not an error
>#		test $? -eq 0 -o $? -eq 2
>#		rc_status -v
>#	fi
>    local array="$1" dev
>    shift
>    echo -n "(try $array) "
>    sleep 0.5
>    $mdadm_BIN -IRs 2>/dev/null
>    sleep 0.5
>    $mdadm_BIN -A -s -c $mdadm_CONFIG 2>/dev/null
>    sleep 0.5
>    for dev in "$@"; do
>    	$mdadm_BIN "$array" --add "$dev" 2>/dev/null
>    done
>}
>
>case "$1" in
>    start)
>	echo -n "Starting MD RAID retry "
>
>	# Read config
>	. $mdadm_SYSCONFIG
>
>	[ "x$MDADM_CONFIG" != x"" ] && mdadm_CONFIG="$MDADM_CONFIG"
>
>	# Check for missing binaries (stale symlinks should not happen)
>        [ -x $mdadm_BIN ] || _rc_exit 5 "... $mdadm_BIN not installed "
>
>	# Try to complete the array if array information is available from
>	# sysconfig.
>	if [ -n "$MDADM_ARRAY_ASSEMBLE" ]; then
>	    getmdinfo >/dev/null
>	    stat=$?
>	    rc_status
>	    if [ $stat -ne 0 ]; then
>		echo "$MDADM_ARRAY_ASSEMBLE" \
>		  | tr ";" "\n" \
>		  | while read array; do
>		    trystartarray $array
>		done
>
>    	    	# Only log this again if a restart attempt was made.
>		getmdinfo >> "$mdlog"
>	    fi
>	fi
>    	rc_status -v
>	;;
>    stop)
>	rc_status -v
>	;;
>    status)
>	echo -n "MD RAID arrays:"
>	count=`grep -c ' active ' /proc/mdstat 2> /dev/null`
>	case $count in
>	    0 ) echo -n " No arrays active"; rc_failed 3;;
>	    1 ) echo -n " 1 array active";;
>	    * ) echo -n " $count arrays active";;
>	esac
>
>	getmdinfo
>
>	rc_status -v
>	;;
>    reload)
>	rc_status -v
>	;;
>    *)
>	echo "Usage: $0 {start|stop|status|reload}"
>	exit 1
>	;;
>esac
>rc_exit

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Attachments on bug 793954: 516596 | 516598 | 525153 | 526231 | 527783 | 527872 | 529591 | 529614 | 529615 | 529616 | 533616 | 534870 | 534871 | 537803 | 542405