1 files changed, 3 insertions, 2 deletions
diff --git a/nagios-check-raid.pl b/nagios-check-raid.pl
index 94b99ed..504d622 100755
--- a/nagios-check-raid.pl
+++ b/nagios-check-raid.pl
@@ -15,7 +15,8 @@
 # ------------------------------------------------------------------------------
 # Date          Author          Reason
 # ----          ------          ------
-# 05/10/2004    PETER Palfrader Make it work without that 'use util (vars)'
+# 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.
@@ -81,7 +82,7 @@ $SIG{'ALRM'} = sub {
 alarm($timeout);
 
 # Start checking the file...
-open (FH, $stat);
+open (FH, $stat) or print("UNKNOWN: Cannot open $stat: $!\n"), exit $ERRORS{'UNKNOWN'};
 $state = $ERRORS{'OK'};
 $msg ="";