commit 25a4785a06376ff410cd5d35b08c6c5c7411e33e
Author: Ryan O'Hara <rohara@redhat.com>
Date:   Mon Nov 16 10:40:58 2009 -0600

    CMAN: fence_scsi_test should not allow -c and -s options together
    
    The fence_scsi_test program is intended to run in one of two modes:
    cluster (-c) and scsi (-s). These cmd line arguments should not be
    allowed together.
    
    rhbz#528832

diff --git a/fence/agents/scsi/fence_scsi_test.pl b/fence/agents/scsi/fence_scsi_test.pl
index 65e0c30..e24ef61 100755
--- a/fence/agents/scsi/fence_scsi_test.pl
+++ b/fence/agents/scsi/fence_scsi_test.pl
@@ -231,6 +231,11 @@ if ($opt_h)
     exit(0);
 }
 
+if ($opt_c && $opt_s) {
+    print_usage;
+    exit(1);
+}
+
 if ($opt_c)
 {
     print "\nTesting devices in cluster volumes...\n";