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  Oracle Database Tips by Donald Burleson

Oracle10g Grid Computing with RAC
Chapter 6 - Install, Configure and Database Creation

Message Size

Linux:                                      256k
Solaris / Tru64 5.1: 1MB
HP:                                                          2GB

When implementing the Sun Cluster with the clusterware provided by Veritas, the LMX message size is up to 64K, with a default of 32K.

Cluster Software

Once the nodes are physically interconnected, with either a cable or switch, you should plan to install the necessary cluster software on all the nodes. The clusterware installation method differs from vendor to vendor and from platform to platform.

Cluster software is usually referred to as cluster manager or operating system dependent layer (OSD) and is provided by the hardware vendor. The notable exceptions are Linux and Windows. For example, the following table (6.2) shows the cluster software products that are available for setting up a RAC system.




Sun Cluster 3.1


Veritas Storage Foundation DBE/AC


Fujitsu-Siemens PrimeCluster


MC Service Guard and Veritas Storage Foundation

HP Tru64

Tru64 TruCluster


Oracle Supplied Clusterware (CRS)


Oracle Supplied Clusterware (CRS)

AIX pSeries


Table 6.2 Cluster Software (OSD)

The above text is an excerpt from:

Oracle 10g Grid & Real Application Clusters
Oracle 10g Grid Computing with RAC
ISBN 0-9744355-4-6

by Mike Ault, Madhu Tumma


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