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Oracle Tips by Burleson |
10g Grid Computing
with RAC
Real Application Cluster Architecture
Network Services and Accessing RAC
The SQL*Net process controls the RAC instance access.
Access to any Oracle instance can be either through a dedicated
server connection or through a shared server connection. If access
is through a shared server connection, then the instance is set up
for shared server (multi-threaded server - MTS). If the connection
is a dedicated server, then either the user process requires a
dedicated connection or the instance is not using MTS.
The
configuration of SQL*Net for RAC can be quite simple. Essentially
only two files need to be configured for basic access, the SQL*Net
listener control file, listener.ora, and the instance names file,
tnsnames.ora. In a basic configuration, each server has a
listener.ora and a tnsnames.ora file, and each client has a
tnsnames.ora file. A third file, sqlnet.ora, is also present on both
server and client, which control the access behavior.
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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