From 30ac299da6a01a2f5f42fac6b3d35275ddc001e7 Mon Sep 17 00:00:00 2001
From: Oyvind Albrigtsen <oalbrigt@redhat.com>
Date: Mon, 29 May 2017 14:38:48 +0200
Subject: [PATCH] LVM: warn when cache mode is not writethrough

---
 heartbeat/LVM | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/heartbeat/LVM b/heartbeat/LVM
index 583b9a2bd..7ebedac6f 100755
--- a/heartbeat/LVM
+++ b/heartbeat/LVM
@@ -29,8 +29,6 @@
 : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
 . ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
 
-OCF_RESKEY_check_writethrough_default="false"
-
 #######################################################################
 
 
@@ -108,14 +106,6 @@ logical volumes.
 <content type="string" default="false" />
 </parameter>
 
-<parameter name="check_writethrough" unique="0" required="0">
-<longdesc lang="en">
-If set to true, check if cache_mode is set to writethrough.
-</longdesc>
-<shortdesc lang="en">Check if cache_mode is set to writethrough</shortdesc>
-<content type="string" default="${OCF_RESKEY_check_writethrough_default}" />
-</parameter>
-
 </parameters>
 
 <actions>
@@ -593,10 +583,9 @@ LVM_validate_all() {
 		exit $OCF_ERR_GENERIC
 	fi
 
-	if ocf_is_true "$OCF_RESKEY_check_writethrough"; then
+	if lvs --noheadings -o segtype | grep -q "cache"; then
 		if ! lvs --noheadings -o cache_mode "$OCF_RESKEY_volgrpname" | grep -q "writethrough"; then
-			ocf_exit_reason "LVM cache is not in writethrough mode."
-			exit $OCF_ERR_CONFIGURED
+			ocf_log warn "LVM CACHE IS NOT IN WRITETHROUGH MODE. THIS IS NOT A SUPPORTED CONFIGURATION."
 		fi
 	fi
 
@@ -707,8 +696,6 @@ if [ -n "$OCF_RESKEY_tag" ]; then
 	OUR_TAG=$OCF_RESKEY_tag
 fi
 
-: ${OCF_RESKEY_check_writethrough=${OCF_RESKEY_check_writethrough_default}}
-
 # What kind of method was invoked?
 case "$1" in