diff --git a/zabbix_conf/raid_mdadm.conf b/zabbix_conf/raid_mdadm.conf
index 8f75437..7ae4e8d 100644
--- a/zabbix_conf/raid_mdadm.conf
+++ b/zabbix_conf/raid_mdadm.conf
@@ -10,3 +10,6 @@
 # You can add a simple trigger on this check like:
 # { hostname:raid.sw.status.str( OK ) }=0
 UserParameter=raid.sw.status[*],/var/lib/zabbix/bin/check_raid_mdadm --device=$1
+
+# This is a discovery rule to find configured RAID devices
+UserParameter=raid.sw.discovery,/var/lib/zabbix/bin/disco_raid_mdadm