orahost_meta: Change default for device_persistence: ''

Author: Rendanic

roles/orahost_meta/README.md

@@ -136,10 +136,16 @@ dba_group: dba
 
 Defines the device persistency in ansible-oracle.
 
+Values:
+
+- asmlib
+- asmfd
+- '' - no special device configuration
+
 #### Default value
 
 ```YAML
-device_persistence: asmlib
+device_persistence: ''
 ```
 
 #### Example usage

roles/orahost_meta/defaults/main.yml

@@ -94,13 +94,19 @@ oracle_seclimits:
 
 # @var device_persistence:description: >
 # Defines the device persistency in ansible-oracle.
+#
+# Values:
+#
+# - asmlib
+# - asmfd
+# - '' - no special device configuration
 # @end
 # @var device_persistence:example: >
 # device_persistence: asmlib
 #
 # device_persistence: asmfd
 # @end
-device_persistence: asmlib
+device_persistence: ''
 
 # @var asm_diskgroups:description: >
 # ASM Diskgroupdefinition for Oracle Restart/Grid-Infrastructure