From mboxrd@z Thu Jan  1 00:00:00 1970
From: rohara@sourceware.org <rohara@sourceware.org>
Date: 26 Jan 2007 20:03:53 -0000
Subject: [Cluster-devel] cluster/fence/agents/scsi scsi_reserve scsi_re ...
Message-ID: <20070126200353.3461.qmail@sourceware.org>
List-Id: <cluster-devel.redhat.com>
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CVSROOT:	/cvs/cluster
Module name:	cluster
Branch: 	RHEL4
Changes by:	rohara at sourceware.org	2007-01-26 20:03:51

Modified files:
	fence/agents/scsi: scsi_reserve 
Added files:
	fence/agents/scsi: scsi_reserve.sysconfig scsi_watchdog 
	                   scsi_watchdog.conf 

Log message:
	Added support for watchdog "fencing".

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/fence/agents/scsi/scsi_reserve.sysconfig.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=NONE&r2=1.1.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/fence/agents/scsi/scsi_watchdog.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=NONE&r2=1.1.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/fence/agents/scsi/scsi_watchdog.conf.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=NONE&r2=1.1.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/fence/agents/scsi/scsi_reserve.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.1.6.9&r2=1.1.6.10

--- cluster/fence/agents/scsi/scsi_reserve	2007/01/26 17:56:14	1.1.6.9
+++ cluster/fence/agents/scsi/scsi_reserve	2007/01/26 20:03:51	1.1.6.10
@@ -5,6 +5,8 @@
 
 . /etc/init.d/functions
 
+[ -f /etc/sysconfig/scsi_reserve ] && . /etc/sysconfig/scsi_reserve
+
 # check for sg_persist command provided by sg3_utils package
 #
 if ! sg_persist -V &> /dev/null ; then
@@ -65,16 +67,16 @@
 
   if [ $error -eq 0 ]; then
       echo $dev >> /var/run/scsi_reserve
-      success
+      success "register of device $dev"
   else
       # perhaps we are already resgistered
       #
       if sg_persist -d $dev -i -k 2>/dev/null | grep -qiE "${key#0}" ; then
 	  echo $dev >> /var/run/scsi_reserve
-          success
+          success "register device $dev"
       else
           failure
-          rval=1
+	  rval=1
       fi
   fi
 
@@ -85,12 +87,37 @@
   sg_persist -d $dev -o -R -K $key -T 5 &>/dev/null
 
 done
+
+# start the watchdog if configured and registration was successful
+#
+if [ "$rval" == 0 ] && [ "${WATCHDOG}" == yes ] ; then
+    echo -n "Starting watchdog: "
+    if watchdog -c /etc/cluster/scsi_watchdog.conf ; then
+	success "watchdog start"
+    else
+	failure "watchdog start"
+    fi
+    echo
+fi
 ;;
 
 stop)
 
 rval=0
 
+# stop the watchdog before we unregister
+#
+if [ "${WATCHDOG}" == yes ]; then
+    echo -n "Stopping watchdog: "
+
+    if killproc watchdog ; then
+	success "watchdog stop"
+    else
+	failure "watchdog stop"
+    fi
+    echo
+fi
+
 # unregister each device for this node
 #
 for dev in $scsi_devices
@@ -122,7 +149,7 @@
   fi
 
   if [ $error -eq 0 ]; then
-      success
+      success "unregister device $dev"
   else
       failure
       rval=1