Last updated on OCTOBER 01, 2014
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.2 to 10.2.0.4 [Release 10.1 to 10.2]
Information in this document applies to any platform.
On a 4 node RAC cluster, database services are running on the wrong instances after instance restart.
Consider the following service configuration:
sales_racdb PREF: racdb1 racdb2 AVAIL: racdb3 racdb4
hr_racdb PREF: racdb2 AVAIL: racdb1
The service 'hr_racdb' was running on all 4 instances when it should have been running on instance 2 (racdb2) only.
This caused user sessions to be connected to the wrong instances, leading to load problems.
The same happened for another service (sales_racdb).
All instances had been restarted during maintenance window.
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