*** check_linux_raid	2010-08-20 13:05:09.109124488 -0700
--- /usr/lib/nagios/plugins/check_linux_raid	2010-08-20 13:08:26.946277831 -0700
***************
*** 1,4 ****
--- 1,5 ----
  #!/usr/bin/perl -w
+ # nagios: -epn
  
  # Copyright (c) 2002 ISOMEDIA, Inc.
  # originally written by Steve Milton
***************
*** 79,84 ****
--- 80,86 ----
  }
  
  foreach my $k (sort keys %devices){
+ 	next unless (defined($status{$k}));
  	if ($status{$k} =~ /_/) {
  		if (defined $recovery{$k}) {
  			$msg .= sprintf " %s status=%s, recovery=%s, finish=%s.",