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Oracle Disk I/O Tuning

Chapter 5: Configuration of CFS or Raw Devices

It is important to understand that volumes are the basic storage components that an Oracle database utilizes. The volumes, as created by the CVM, are accessible by all members or nodes of the cluster. This is an important distinction in the RAC environment. A volume can be accessed either directly by the RAC database as a raw partition, or through mounted file systems such as a CFS, as shown in Fig 15.17

Figure 5.17 Veritas Cluster Volume Management


Configure NFS file system

Using NFS mount for the shared storage for the RAC database system, provides yet another option. In this section, we will explain the usage of NFS type shared storage structures by looking at the Filer System supplied by Network Appliance System.

Storage Infrastructure:

  • One Network Appliance F2XX/F7XX/F8XX/F9XX filer with Data ONTAP™ 6.1.3R2 or later

  • One Gigabit switch with at least four ports

  • One Gigabit NIC in the filer

  • One or more disk shelves, based on the disk space requirements

The above text is an excerpt from:

Oracle Disk I/O Tuning
Disk IO Performance & Optimization for Oracle Databases
ISBN 0-9745993-4-4 

by Mike Ault

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