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[Cluster-devel] Cluster Project branch, master, updated. gfs-kernel_0_1_22-122-ge82959a



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- Log -----------------------------------------------------------------
commit e82959afc8e649029122bfb8a491abef861105e2
Author: Jonathan Brassow <jbrassow redhat com>
Date:   Tue Apr 1 16:24:53 2008 -0500

    rgmanager/lvm.sh:  Fix bug bz242798
    
    Allow a machine to fence itself in the event that it
    cannot deactivate logical volumes.  (The user must
    explicitly enable this option.)  This is useful in cases
    where one machine in the cluster looses connectivity to
    its resources, but the others don't.  The machine fences
    itself and the service moves to another machine.

-----------------------------------------------------------------------

Summary of changes:
 rgmanager/src/resources/lvm.metadata |   13 ++++++++++++-
 rgmanager/src/resources/lvm_by_lv.sh |   15 ++++++++++++++-
 rgmanager/src/resources/lvm_by_vg.sh |   17 +++++++++++++++--
 3 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/rgmanager/src/resources/lvm.metadata b/rgmanager/src/resources/lvm.metadata
index 03a5655..650675b 100755
--- a/rgmanager/src/resources/lvm.metadata
+++ b/rgmanager/src/resources/lvm.metadata
@@ -39,7 +39,18 @@
                 If you can see this, your GUI is broken.
             </shortdesc>
 	    <content type="string"/>
-        </parameter>
+	</parameter>
+
+	<parameter name="self_fence">
+	    <longdesc lang="en">
+		If set and the clean up of the tags fails, the node will
+		immediately reboot.
+	    </longdesc>
+	    <shortdesc lang="en">
+		Fence the node if it is not able to clean up LVM tags
+	    </shortdesc>
+	    <content type="boolean"/>
+	</parameter>
 
 	<parameter name="nfslock" inherit="service%nfslock">
 	    <longdesc lang="en">
diff --git a/rgmanager/src/resources/lvm_by_lv.sh b/rgmanager/src/resources/lvm_by_lv.sh
index e14540f..6691181 100644
--- a/rgmanager/src/resources/lvm_by_lv.sh
+++ b/rgmanager/src/resources/lvm_by_lv.sh
@@ -173,6 +173,13 @@ lv_activate_and_tag()
 	declare action=$1
 	declare tag=$2
 	declare lv_path=$3
+	typeset self_fence=""
+
+	case ${OCF_RESKEY_self_fence} in
+		"yes")          self_fence=1 ;;
+		1)              self_fence=1 ;;
+		*)              self_fence="" ;;
+	esac
 
 	if [ -z $action ] || [ -z $tag ] || [ -z $lv_path ]; then
 		ocf_log err "Supplied args: 1) $action, 2) $tag, 3) $lv_path"
@@ -194,7 +201,13 @@ lv_activate_and_tag()
 	else
 		ocf_log notice "Deactivating $lv_path"
 		if ! lv_activate_resilient $action $lv_path; then
-			ocf_log err "Unable to deactivate $lv_path"
+			if [ "$self_fence" ]; then
+				ocf_log err "Unable to deactivate $lv_path: REBOOTING"
+				sync
+				reboot -fn
+			else
+				ocf_log err "Unable to deactivate $lv_path"
+			fi
 			return $OCF_ERR_GENERIC
 		fi
 
diff --git a/rgmanager/src/resources/lvm_by_vg.sh b/rgmanager/src/resources/lvm_by_vg.sh
index b1840a1..8fa36d6 100755
--- a/rgmanager/src/resources/lvm_by_vg.sh
+++ b/rgmanager/src/resources/lvm_by_vg.sh
@@ -242,17 +242,30 @@ function vg_stop
 {
 	local a
 	local results
+	typeset self_fence=""
+
+	case ${OCF_RESKEY_self_fence} in
+		"yes")          self_fence=1 ;;
+		1)              self_fence=1 ;;
+		*)              self_fence="" ;;
+	esac
 
 	#  Shut down the volume group
 	#  Do we need to make this resilient?
 	vgchange -an $OCF_RESKEY_vg_name
 
 	#  Make sure all the logical volumes are inactive
-	results=(`lvs -o name,attr --noheadings 2> /dev/null $OCF_RESKEY_vg_name`)
+	results=(`lvs -o name,attr --noheadings $OCF_RESKEY_vg_name 2> /dev/null`)
 	a=0
 	while [ ! -z ${results[$a]} ]; do
 		if [[ ${results[$(($a + 1))]} =~ ....a. ]]; then
-			ocf_log err "Logical volume $OCF_RESKEY_vg_name/${results[$a]} failed to shutdown"
+			if [ "$self_fence" ]; then
+				ocf_log err "Unable to deactivate $lv_path REBOOT"
+				sync
+				reboot -fn
+			else
+				ocf_log err "Logical volume $OCF_RESKEY_vg_name/${results[$a]} failed to shutdown"
+			fi
 			return $OCF_ERR_GENERIC
 		fi
 		a=$(($a + 2))


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