ORA-01157: cannot identify/lock data file 66 - see DBWR trace file ORA-01110: data file 66: (Doc ID 1612244.1)

Last updated on JULY 21, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 21-Jul-2017***

Symptoms

 user add datafile for RAC DataBase in the local node

 SQL> alter tablespace system add datafile 'FRA' SIZE 250M AUTOEXTEND ON NEXT 50M MAXSIZE UNLIMITED;

then when he query DBA_DATA_FILES
ORA-01157: cannot identify/lock data file 66 - see DBWR trace file
ORA-01110: data file 66: '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/FRA'

Changes

 datafiles add to system Tablespace by mistake on the local Node instead of shared diskgroup

Cause

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