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Important: Intermittent ASM or DB instance eviction due to IPC Send timeout or ORA-27508 or ORA-27301: Network is unreachable (Doc ID 1594578.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Oracle Database - Enterprise Edition - Version and later
Generic UNIX
Generic Linux


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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