--- /dev/null
+#!/usr/bin/perl -w
+# ------------------------------------------------------------------------------
+# File Name: chech_raid.pl
+# Author: Thomas Nilsen - Norway
+# Date: 14/06/2003
+# Version: 0.1
+# Description: This script will check to see if any software raid
+# devices are down.
+# Email: thomas.nilsen@doc-s.co.uk
+# WWW: www.doc-s.co.uk
+# ------------------------------------------------------------------------------
+# Copyright 2003 (c) Thomas Nilsen
+# Credits go to Ethan Galstad for coding Nagios
+# License GPL
+# ------------------------------------------------------------------------------
+# Date Author Reason
+# ---- ------ ------
+# 2008-03-31 Peter Palfrader Return warning on running resync
+# 2007-11-07 Peter Palfrader Return unknown if /proc/mdstat does not exist
+# 05/10/2004 Peter Palfrader Make it work without that 'use util (vars)'
+# 14/06/2003 TN Initial Release
+# - Format of mdstat assumed to be "2 line" per
+# device with [??] on the second line.
+# ------------------------------------------------------------------------------
+
+use strict;
+use warnings;
+use Getopt::Long;;
+use vars qw($opt_V $opt_h $opt_t $opt_F $PROGNAME);
+use lib '/usr/local/nagios/libexec/';
+my $TIMEOUT=15;
+my %ERRORS = ( OK => 0, WARNING => 1, CRITICAL => 2, UNKNOWN => -1 );
+
+
+$PROGNAME="check_raid";
+
+sub print_help ();
+sub print_usage ();
+
+$ENV{'PATH'}='';
+$ENV{'BASH_ENV'}='';
+$ENV{'ENV'}='';
+my ( $line, $stat, $state ,@device, $msg, $status, $timeout);
+
+$stat="/proc/mdstat";
+
+#Option checking
+Getopt::Long::Configure('bundling');
+$status = GetOptions(
+ "V" => \$opt_V, "version" => \$opt_V,
+ "h" => \$opt_h, "help" => \$opt_h,
+ "F" => \$opt_F, "filename" => \$opt_F,
+ "t" => \$opt_t, "timeout" => \$opt_t);
+# Version
+if ($opt_V) {
+ print($PROGNAME,': $Revision: 0.1 $');
+ exit $ERRORS{'OK'};
+}
+# Help
+if ($opt_h) {
+ print_help();
+ exit $ERRORS{'OK'};
+}
+# Filename supplied
+if ($opt_F) {
+ $opt_F = shift;
+ $stat = $1 if ($opt_F =~ /^(.*)$/);
+
+ if ( ! -r $stat ) {
+ print "Invalid mdstat file: $opt_F\n";
+ exit $ERRORS{'UNKNOWN'};
+ }
+}
+
+$timeout = $TIMEOUT;
+($opt_t) && ($opt_t =~ /^([0-9]+)$/) && ($timeout = $1);
+
+# Just in case of problems, let's not hang Nagios
+$SIG{'ALRM'} = sub {
+ print ("ERROR: No response (alarm)\n");
+ exit $ERRORS{'UNKNOWN'};
+};
+alarm($timeout);
+
+# Start checking the file...
+open (FH, $stat) or print("UNKNOWN: Cannot open $stat: $!\n"), exit $ERRORS{'UNKNOWN'};
+$state = $ERRORS{'OK'};
+$msg ="";
+
+my @resyncing = ();
+my $device = '';
+
+# Now check the mdstat file..
+while (<FH>) {
+ $line = $_;
+ if ($line =~ /^(md\S*) /) {
+ $device = $1;
+ } elsif( $line =~ / \[_|_\]|U_|_U /) {
+ $state = $ERRORS{'CRITICAL'};
+ $msg = $msg . $device . ": - ";
+ }
+ elsif ( $line =~ / resync /) {
+ # [==>..................] resync = 10.3% (15216320/146994624) finish=2153.2min speed=1018K/sec
+ my ($percent) = ($line =~ m# resync = ([0-9.]+%)#);
+ my ($finish) = ($line =~ m# finish=([0-9.]+min)#);
+ my ($speed) = ($line =~ m# speed=([0-9.]+K/sec)#);
+ push @resyncing, "$device ($percent done, finish in $finish at $speed)";
+ }
+}
+close (FH);
+
+if ( $state == $ERRORS{'CRITICAL'} ) {
+ print "CRITICAL - Device(s) $msg have failed\n";
+} elsif ( scalar @resyncing > 0 ) {
+ print "WARNING: Resyncing: ".(join "; ", @resyncing)."\n";
+ $state = $ERRORS{'WARNING'};
+} elsif ( $state == $ERRORS{'OK'} )
+ { print "OK - All devices are online\n"; }
+exit $state;
+
+
+sub print_usage () {
+ print "Usage: $PROGNAME -t <timeout> -F <filename>\n";
+}
+
+sub print_help () {
+ print_revision($PROGNAME,'$Revision: 0.1 $');
+ print "Copyright (c) 2003 Thomas Nilsen/Karl DeBisschop\n";
+ print "\n";
+ print_usage();
+ print "Checks the mdstat file for errors on any configured software raid.\n
+-t ( --timeout=INTEGER)
+ Seconds before script times out (default: 10)\n
+-F ( --filename=FILE)
+ Full path and name to mdstat file (usually '/proc/mdstat') \n\n";
+}
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