1 #!/usr/bin/perl -w
3 # Copyright (c) 2002 ISOMEDIA, Inc.
4 # Written by Steve Milton
5 # Released under the GNU Public License
6 #
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #
21 # Usage: check_raid <raid-name>
22 # Example: check_raid md0
23 # WARNING md0 status=[UUU_U], recovery=46.4%, finish=123.0min
25 use strict;
27 my %ERRORS=('DEPENDENT'=>4,'UNKNOWN'=>3,'OK'=>0,'WARNING'=>1,'CRITICAL'=>2);
29 open (MDSTAT, "</proc/mdstat") or die "Failed to open /proc/mdstat";
30 my $found = 0;
31 my $status = "";
32 my $recovery = "";
33 my $finish = "";
34 my $active = "";
35 while(<MDSTAT>) {
36 if ($found) {
37 if (/(\[[_U]+\])/) {
38 $status = $1;
39 } elsif (/recovery = (.*?)\s/) {
40 $recovery = $1;
41 ($finish) = /finish=(.*?min)/;
42 }
43 } else {
44 if (/$ARGV[0]/) {
45 $found = 1;
46 if (/active/) {
47 $active = 1;
48 }
49 }
50 }
51 }
53 my $msg = "FAILURE";
54 my $code = "UNKNOWN";
55 if ($status =~ /_/) {
56 if ($recovery) {
57 $msg = sprintf "%s status=%s, recovery=%s, finish=%s\n",
58 $ARGV[0], $status, $recovery, $finish;
59 $code = "WARNING";
60 } else {
61 $msg = sprintf "%s status=%s\n", $ARGV[0], $status;
62 $code = "CRITICAL";
63 }
64 } elsif ($status =~ /U+/) {
65 $msg = sprintf "%s status=%s\n", $ARGV[0], $status;
66 $code = "OK";
67 } else {
68 if ($active) {
69 $msg = sprintf "%s active with no status information.\n",
70 $ARGV[0];
71 $code = "OK";
72 } else {
73 $msg = sprintf "%s does not exist.\n", $ARGV[0];
74 $code = "CRITICAL";
75 }
76 }
78 print $code, " ", $msg;
79 exit ($ERRORS{$code});