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Duplicate DB Sessions Found After Failover (Doc ID 2661071.1)

Last updated on MAY 07, 2020

Applies to:

Oracle Communications Billing and Revenue Management - Version 7.5.0.22.0 and later
Information in this document applies to any platform.

Symptoms

On :  7.5.0.23.0 version
 
While testing High Availability (HA) configuration of dm_oracle process to Real Application Clusters (RAC):
Duplicate database sessions created after failover when Transparent Application Failover (TAF) is configured.

Commands used
-------------------
Check duplicate session:
select sid, inst_id from gv$session where program like '%dm_oracle%' and username = <USERNAME>;
 
Relocate service:
srvctl relocate service -d <db_unique_name> -s <service_name> {-i <old_inst_name1> -t <new_inst_name2>
srvctl relocate service -d <db_unique_name> -s <service_name> {-i <old_inst_name2> -t <new_inst_name1>
 
Modify service:
srvctl modify service -d <db_unique_name> -s <service_name> -e SELECT -m BASIC -q TRUE 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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