3.7.0 HP StorageWorks HP Scalable NAS File Serving Software provisioning guide for Oracle HP Scalable NAS (AG513-96013, October 2009)

2 NAS Administrator: deploying HP
Scalable NAS for use with Oracle
First, it is important for the NAS administrator to be familiar with the administration
of the HP Scalable NAS cluster. For information about installing HP Scalable NAS
products, see the HP Scalable NAS File Serving Software installation guide. No
added software module is needed to support Oracle. This chapter calls out the
particular aspects of a generic HP Scalable NAS installation that apply to Oracle
single instance or Oracle RAC databases in order to use these products to support
Network Attached Storage for Oracle. This chapter refers to Linux-based Oracle
server configurations using Linux NFS clients, unless otherwise noted. When deploying
Oracle on HP Scalable NAS network-attached storage, you should be aware of the
following topics, which are described later in this chapter:
• Managing clustered filesystems and dynamic volumes
• Selecting Virtual NFS Service export options
• Managing Virtual NFS Services
• Hosting Virtual NFS Services for high performance
Managing clustered filesystems and dynamic volumes
HP Scalable NAS provides both a volume manager and a clustered filesystem, called
PSFS, that require some consideration to optimally support Oracle. These
considerations are covered in the following sections.
Dynamic volume manager
HP Scalable NAS includes an integrated volume manager. The SAN administrator
presents LUNs to the cluster and then imports the LUNs into the cluster. These LUNs
are then typically made into striped (RAID 0) volumes of a user-defined stripe width.
The size of volumes can be increased, online, by adding LUNs.
For Oracle, it is recommended that the filesystems used for databases reside in striped
volumes with a stripe width larger than the largest Oracle multiblock transfer. This is
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