Intermittently VIP Failback does not work after the Network Connection is Restored
(Doc ID 1992370.1)
Last updated on FEBRUARY 17, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Oracle Net Services - Version 126.96.36.199 to 188.8.131.52 [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
In a 2-node RAC cluster, perform a VIP failover test. After pulling the public network cable on node 2, VIP of node 2 successfully fails over to node 1 as expected. Reconnect the network cable on node 2. Intermittently VIP of node 2 does not fail back to node 2, it becomes OFFLINE. Manually using srvctl to start the VIP of node 2 works fine. Sometimes it fails back to node 2 successfully without intervention.
1. Pulling a cable to the public NIC of Node#2
When there is no VIP failback, ora.net1.network status on node 2 shows INTERMEDIATE instead of ONLINE.
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