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List:       linux-ha-dev
Subject:    [Linux-ha-dev] Loopback and SunOS in IPaddr
From:       Horms <horms () verge ! net ! au>
Date:       2004-04-27 10:54:56
Message-ID: 20040427105454.GA3786 () verge ! net ! au
[Download RAW message or body]

Hi,

I am curious to know why the recent patches to IPaddr.in
to support SunOS include handling for the loopback interfaces.
The special loopback behaviour is a work around so that
IPaddr can do the right thing when used in conjunction
with LVS (www.linuxvirtualserver.org) in some situations.

Obviously LVS does not run on SunOS (it is a patch to the Linux Kernel).
Is there actually a need for SunOS to handle this behaviour?
I propose the attached patch.

-- 
Horms

["IPaddr.loopback.sunos.patch" (text/plain)]

Index: IPaddr.in
===================================================================
RCS file: /home/cvs/linux-ha/linux-ha/heartbeat/resource.d/IPaddr.in,v
retrieving revision 1.53
diff -u -r1.53 IPaddr.in
--- IPaddr.in	19 Apr 2004 18:09:39 -0000	1.53
+++ IPaddr.in	27 Apr 2004 10:47:52 -0000
@@ -358,7 +359,7 @@
 			exit 0
 		fi;;
 
-	Linux|SunOS)
+	Linux)
 		if [ -z "$IF" ]; then
     			: Requested interface not in use
     			exit 0
@@ -389,7 +390,7 @@
 
   case $SYSTYPE in
 	*BSD)	;;
-	Linux|SunOS)
+	Linux)
 		restore_loopback "$BASEIP"
 		# remove lock file...
 		rm -f "$VLDIR/$IF";;
@@ -521,7 +522,7 @@
   SENDARPPIDFILE="$SENDARPPIDDIR/send_arp-$BASEIP"
 
   case $SYSTYPE in
-    Linux|SunOS)
+    Linux)
 		CURRENTIF=`find_interface "$BASEIP"`
        		case $CURRENTIF in
          	  lo*)
@@ -594,7 +595,7 @@
 		echo "stopped"; return 3
 	fi;;
 
-    Linux|SunOS)		
+    Linux)		
 	if
 		[ -z "$IF" ]
 	then


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