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TAF Session Hangs, Select Fails To Complete with loss of NIC: Tune TCP Keepalive (Doc ID 364171.1)

Last updated on JANUARY 20, 2025

Applies to:

Oracle Net Services - Version 9.2.0.1 and later
Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Gen 2 Exadata Cloud at Customer - Version N/A and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Attempting to test Client side Transparent Application Failover (TAF) by failing the interface with active sessions.

However, when downing/disconnecting the Network Interface Card (NIC) on the remote machine, the Client connection hangs for hours.

Problem reproducible in testing.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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