Intermittently VIP Failback does not work after the Network Connection is Restored
Last updated on NOVEMBER 12, 2017
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Net Services - Version 22.214.171.124 to 126.96.36.199 [Release 12.1]
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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