ORA-27504 ASM Can not Start after Applying Exadata Patch (Doc ID 1293701.1)

Last updated on NOVEMBER 10, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

11.2.0.1 Grid Infrastructure on a non-Exadata environment, after applying Exadata patch, for example: 9870547 TRACKING BUG FOR 11.2.0.1 DB MACHINE BUNDLE PATCH 5, then rolling it back, ASM can no longer start, get error:

$ sqlplus "/ as sysasm"
SQL> startup
ORA-27504: IPC error creating OSD context
ORA-27300: OS system dependent operation:open failed with status: 2
ORA-27301: OS failure message: No such file or directory
ORA-27302: failure occurred at: sskgxprdspr
ORA-27303: additional information: File: '/proc/sys/net/rds/pf_rds'. RDS protocol family file could not be opened. RDS module may not be loaded.

This problem can happen on any non-Exadata environment after applying Exadata specific DB MACHINE BUNDLE patch.

Changes

Apply and rollback the Exadata patch 9870547

Cause

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