HP ProLiant DL380G5-WSS 3.7.0 HP StorageWorks HP Scalable NAS File Serving Sof - Page 187

the active servers and they will not be able to absorb the workload from another server if it should fail over. Guidelines for creating Virtual NFS Services When creating Virtual NFS Services, follow these guidelines: • When planning the Virtual NFS Services needed for your cluster, first determine the network services that will be available to your clients. Then determine the IP addresses for those services. You will need to create a Virtual NFS Service for each IP address. • Choose hostnames that differ from your actual server names. Virtual NFS Services are independent of specific servers, and their names should be independent as well. • Use an IP address that is on the same subnet as the network interfaces where it will be configured. • Update the DNS name service or the /etc/hosts file with the virtual hostnames and IP addresses. (For improved performance, the Management Console caches hostname lookups. If your DNS changes, you may need to restart the console so that it will reflect the new hostname.) • Do not use ifconfig or another tool to configure the IP address in the operating system or a system startup script. HP Scalable NAS configures the operating system appropriately to support the Virtual NFS Service. • Virtual NFS Services share a common name-space with other HP Scalable NAS virtual hosts. You cannot create a virtual host and a Virtual NFS Service having the same network address. • After creating Virtual NFS Services, you will need to configure your applications to recognize them. Add a Virtual NFS Service To add a virtual NFS Service, select Cluster > Add > Add Virtual NFS Service. HP Scalable NAS File Serving Software administration guide 187