Important: Intermittent ASM or DB instance eviction due to IPC Send timeout or ORA-27508 or ORA-27301: Network is unreachable
Last updated on DECEMBER 01, 2016
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Multi node RAC cluster, intermittently instance eviction happens either at ASM layer or database layer. Here are the example of ASM alert logs:
Similar errors can be seen in database alert log when an instance is evicted.
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