cluster: STABLE3 - cman init: better handle of unfencing

["Fabio M. Di Nitto" <fabbione@fedoraproject.org>]

Gitweb:        http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=023e19c9c77074ca2709560e1ff0d0108a06a075
Commit:        023e19c9c77074ca2709560e1ff0d0108a06a075
Parent:        593b15a97d1ab93cbd8cc6c7ee8e21ab21ffed1e
Author:        Fabio M. Di Nitto <fdinitto@redhat.com>
AuthorDate:    Fri Mar 27 09:11:01 2009 +0100
Committer:     Fabio M. Di Nitto <fdinitto@redhat.com>
CommitterDate: Fri Mar 27 20:05:47 2009 +0100

cman init: better handle of unfencing

make it clear what we expect and how to handle it.

handle also other situations like fence_node segfaulting.

Origin problem reported by Jim Meyering.

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
---
 cman/init.d/cman.in |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/cman/init.d/cman.in b/cman/init.d/cman.in
index 91cb62c..5afb6ce 100644
--- a/cman/init.d/cman.in
+++ b/cman/init.d/cman.in
@@ -461,9 +461,15 @@ stop_cman()
 
 unfence_self()
 {
+	# fence_node returns 0 on success, 1 on failure, 2 if unconfigured
+	# 0 and 2 are ok. Everything else should report error.
 	fence_node -U > /dev/null 2>&1
-	[ $? -eq 1 ] && return 1
-	return 0
+	case $? in
+	0|2)
+		return 0
+	;;
+	esac
+	return 1
 }
 
 start_qdiskd()