Unable To Open Database After ASM Upgrade From Release 11.1 To Release 11.2.

(Doc ID 1217673.1)

Last updated on OCTOBER 01, 2010

Applies to:

Oracle Server - Enterprise Edition - Version: 11.2.0.1 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.

Symptoms

After upgrade the ASM instance from release 11.1 to release 11.2 existing database is unable to start/open due to the next error:


/u01/app/oracle/product/11.1.0/dbs>sqlplus

SQL*Plus: Release 11.1.0.6.0 - Production on Wed Apr 7 15:49:33 2010

Copyright (c) 1982, 2007, Oracle. All rights reserved.

Enter user-name: / as sysdba
Connected to an idle instance.

SQL> startup
ORA-01078: failure in processing system parameters
ORA-01565: error in identifying file '+ORADATA_DBAT/dbat/spfiledbat.ora'
ORA-17503: ksfdopn:2 Failed to open file +ORADATA_DBAT/dbat/spfiledbat.ora
ORA-15077: could not locate ASM instance serving a required diskgroup

Cause

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