<toc></toc> Description:
Nagios plugin (current 1.x) that will return the status of a software raid device. <p><tt>check_raid_mdstat.pl md3</tt></p><p><em>Jan 5, 2005</em> Corrected bug where the status returned would be the status of the last device in the /proc/mdstat file instead of the device asked for.</p>
#!/usr/bin/perl -w # Copyright (c) 2002 ISOMEDIA, Inc. # Written by Steve Milton # Modified by Ian Samuel, 2005 # Released under the GNU Public License # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # 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. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # Usage: check_raid <raid-name> # Example: check_raid md0 # WARNING md0 status=[UUU_U], recovery=46.4%, finish=123.0min use strict; my %ERRORS=('DEPENDENT'=>4,'UNKNOWN'=>3,'OK'=>0,'WARNING'=>1,'CRITICAL'=>2); open (MDSTAT, "</proc/mdstat") or die "Failed to open /proc/mdstat"; my $found = 0; my $status = ""; my $recovery = ""; my $finish = ""; my $active = ""; while(<MDSTAT>) { if (/$ARGV[0]/) { $found = 1; if (/active/) { $active = 1; } $_ = <MDSTAT>; if (/(\[[_U]+\])/) { $status = $1; } $_ = <MDSTAT>; if (/recovery = +(.*?)\s/) { $recovery = $1; ($finish) = /finish=(.*?min)/; } last; } } my $msg = "FAILURE"; my $code = "UNKNOWN"; if ($status =~ /_/) { if ($recovery) { $msg = sprintf "%s status=%s, recovery=%s, finish=%s\n", $ARGV[0], $status, $recovery, $finish; $code = "WARNING"; } else { $msg = sprintf "%s status=%s\n", $ARGV[0], $status; $code = "CRITICAL"; } } elsif ($status =~ /U+/) { $msg = sprintf "%s status=%s\n", $ARGV[0], $status; $code = "OK"; } else { if ($active) { $msg = sprintf "%s active with no status information.\n", $ARGV[0]; $code = "OK"; } else { $msg = sprintf "%s does not exist.\n", $ARGV[0]; $code = "CRITICAL"; } } print $code, " ", $msg; exit ($ERRORS{$code});