diff --git a/extra/resources/HealthCPU b/extra/resources/HealthCPU
index 530df5d246..0d8f768a91 100755
--- a/extra/resources/HealthCPU
+++ b/extra/resources/HealthCPU
@@ -1,187 +1,187 @@
 #!/bin/sh
 #
 # ocf:pacemaker:HealthCPU resource agent
 #
 # Copyright 2004-2022 the Pacemaker project contributors
 #
 # The version control history for this file may have further details.
 #
 # This source code is licensed under the GNU General Public License version 2
 # (GPLv2) WITHOUT ANY WARRANTY.
 #
 
 #
 # Measures CPUs idling and writes #health-cpu status into the CIB
 #
 ################################
 #
 # TODO: Enter default values
 #       Error handling in getting uptime
 #
 ##################################
 
 #######################################################################
 # Initialization:
 
 : ${OCF_FUNCTIONS:="${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs"}
 . "${OCF_FUNCTIONS}"
 : ${__OCF_ACTION:="$1"}
 
 #######################################################################
 
 meta_data() {
     cat <<END
 <?xml version="1.0"?>
 <resource-agent name="HealthCPU" version="1.0">
 <version>1.1</version>
 
 <longdesc lang="en">
 System health agent that measures the CPU idling and updates the #health-cpu attribute.
 </longdesc>
 <shortdesc lang="en">System health CPU usage</shortdesc>
 
 <parameters>
-<parameter name="state">
+<parameter name="state" unique-group="state">
 <longdesc lang="en">
 Location to store the resource state in.
 </longdesc>
 <shortdesc lang="en">State file</shortdesc>
 <content type="string" default="${HA_VARRUN%%/}/health-cpu-${OCF_RESOURCE_INSTANCE}.state" />
 </parameter>
 
 <parameter name="yellow_limit">
 <longdesc lang="en">
 Lower (!) limit of idle percentage to switch the health attribute to yellow. I.e.
 the #health-cpu will go yellow if the %idle of the CPU falls below 50%.
 </longdesc>
 <shortdesc lang="en">Lower limit for yellow health attribute</shortdesc>
 <content type="string" default="50"/>
 </parameter>
 
 <parameter name="red_limit">
 <longdesc lang="en">
 Lower (!) limit of idle percentage to switch the health attribute to red. I.e.
 the #health-cpu will go red if the %idle of the CPU falls below 10%.
 </longdesc>
 <shortdesc lang="en">Lower limit for red health attribute</shortdesc>
 <content type="string" default="10"/>
 </parameter>
 
 </parameters>
 
 <actions>
 <action name="start"        timeout="10s" />
 <action name="stop"         timeout="10s" />
 <action name="monitor"      timeout="10s" interval="10s" start-delay="0s" />
 <action name="meta-data"    timeout="5s" />
 <action name="validate-all"   timeout="10s" />
 </actions>
 </resource-agent>
 END
 }
 
 #######################################################################
 
 healthcpu_usage() {
     cat <<END
 usage: $0 {start|stop|monitor|validate-all|meta-data}
 
 Expects to have a fully populated OCF RA-compliant environment set.
 END
 }
 
 healthcpu_start() {
     healthcpu_monitor
     if [ $? -eq $OCF_SUCCESS ]; then
         return $OCF_SUCCESS
     fi
     touch "${OCF_RESKEY_state}"
 }
 
 healthcpu_stop() {
     healthcpu_monitor
     if [ $? -eq $OCF_SUCCESS ]; then
         rm "${OCF_RESKEY_state}"
     fi
     return $OCF_SUCCESS
 }
 
 healthcpu_monitor() {
     if [ -f "${OCF_RESKEY_state}" ]; then
 
         IDLE=$(top -b -n2 | grep Cpu | tail -1 | awk -F",|.[0-9][ %]id" '{ print $4 }')
         # echo "System idle: " $IDLE
         # echo "$OCF_RESKEY_red_limit"
         # echo $OCF_RESKEY_yellow_limit
 
         if [ $IDLE -lt ${OCF_RESKEY_red_limit} ] ; then
             # echo "System state RED!"
             attrd_updater -n "#health-cpu" -U "red" -d "30s"
             return $OCF_SUCCESS
         fi
 
         if [ $IDLE -lt ${OCF_RESKEY_yellow_limit} ] ; then
             # echo "System state yellow."
             attrd_updater -n "#health-cpu" -U "yellow" -d "30s"
         else
             # echo "System state green."
             attrd_updater -n "#health-cpu" -U "green" -d "30s"
         fi
 
         return $OCF_SUCCESS
     fi
 
     return $OCF_NOT_RUNNING
 }
 
 healthcpu_validate() {
     # Is the state directory writable?
     state_dir=$(dirname "$OCF_RESKEY_state")
     [ -d "$state_dir" ] && [ -w "$state_dir" ] && [ -x "$state_dir" ]
     if [ $? -ne 0 ]; then
         return $OCF_ERR_ARGS
     fi
     return $OCF_SUCCESS
 }
 
 : ${OCF_RESKEY_CRM_meta_interval:=0}
 : ${OCF_RESKEY_CRM_meta_globally_unique:="false"}
 
 if [ -z "$OCF_RESKEY_state" ]; then
     state="${HA_VARRUN%%/}/HealthCPU-${OCF_RESOURCE_INSTANCE}.state"
     if [ "${OCF_RESKEY_CRM_meta_globally_unique}" = "false" ]; then
         # Strip off the trailing clone marker
         OCF_RESKEY_state=$(echo $state | sed s/:[0-9][0-9]*\.state/.state/)
     else
         OCF_RESKEY_state="$state"
     fi
 fi
 
 if [ -z "${OCF_RESKEY_red_limit}" ] ; then
     OCF_RESKEY_red_limit=10
 fi
 
 if [ -z "${OCF_RESKEY_yellow_limit}" ] ; then
     OCF_RESKEY_yellow_limit=50
 fi
 
 case "$__OCF_ACTION" in
 meta-data)      meta_data
                 exit $OCF_SUCCESS
                 ;;
 start)          healthcpu_start;;
 stop)           healthcpu_stop;;
 monitor)        healthcpu_monitor;;
 validate-all)   healthcpu_validate;;
 usage|help)     healthcpu_usage
                 exit $OCF_SUCCESS
                 ;;
 *)              healthcpu_usage
                 exit $OCF_ERR_UNIMPLEMENTED
                 ;;
 esac
 rc=$?
 ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
 exit $rc
 
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