When more than one database server is active on a single
computer, it is known as multiple residency.
The following figure shows a configuration with two database
servers on host river.Figure 1: Multiple database servers on UNIX™
For the configuration in previous example, you must prepare
an onconfig file for database server A and
another one for database server B. The sqlhosts file
includes the connectivity information for both database servers.
The onconfig file
for database server A includes the following line:
DBSERVERNAME riverA_shm
The onconfig file
for database server B includes the following line: