Add additional info for pvc configuration

Signed-off-by: doxiao <[email protected]>

Author: doxiao

kubernetes/samples/scripts/create-weblogic-domain/domain-home-on-pv/README.md

@@ -10,7 +10,7 @@ The following prerequisites must be handled prior to running the create domain s
 * Make sure the WebLogic operator is running.
 * The operator requires WebLogic Server 12.2.1.3.0 with patch 29135930 applied. The existing WebLogic Docker image, `store/oracle/weblogic:12.2.1.3`, was updated on January 17, 2019, and has all the necessary patches applied; a `docker pull` is required if you already have this image. Refer to [WebLogic Docker images](../../../../../site/weblogic-docker-images.md) for details on how to obtain or create the image.
 * Create a Kubernetes namespace for the domain unless the intention is to use the default namespace.
-* In the same Kubernetes namespace, create the Kubernetes persistent volume where the domain home will be hosted, and the Kubernetes persistent volume claim for the domain. For samples to create a PV and PVC, see [Create sample PV and PVC](../../create-weblogic-domain-pv-pvc/README.md).
+* In the same Kubernetes namespace, create the Kubernetes persistent volume where the domain home will be hosted, and the Kubernetes persistent volume claim for the domain. For samples to create a PV and PVC, see [Create sample PV and PVC](../../create-weblogic-domain-pv-pvc/README.md). By default, the `create-domain.sh` scripts expects the PVC `domain1-weblogic-sample-pvc` is present. You can create it using [create-pv-pvc.sh](../../create-weblogic-domain-pv-pvc/create-pv-pvc.sh) with an inputs file that has the `domainUID` set to `domain1`.
 * Create the Kubernetes secrets `username` and `password` of the admin account in the same Kubernetes namespace as the domain.
 
 ## Use the script to create a domain