Diskmon Core Dumps Every 10 Minutes Filling up File System (Doc ID 1337867.1)

Last updated on NOVEMBER 25, 2011

Applies to:

Oracle Server - Enterprise Edition - Version: 11.2.0.2.0 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.

Symptoms

Upgraded single instance (non-RAC) 11.2.0.1.0 to 11.2.0.2 and observing the following:

* Core dumps every 10 minutes in <$GI_HOME>/log/<hostname>/diskmon filling up filesystem.
* diskmon.OUT log has repeated "diskmon.bin: diskmon.c:5298: dskm_rac_ini: Assertion `0' failed" messages.
* No impact noticed on database/asm as these continue to run without any issue.
* Standalone Grid Infrastructure (single node) upgraded from 11.2.0.1 to 11.2.0.2.

Cause

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