Home / Errors/Workarounds10g / ORA-01157: cannot identify/lock data file 206 – see DBWR trace file

ORA-01157: cannot identify/lock data file 206 – see DBWR trace file

ERROR

ORA-01157: cannot identify/lock data file 206 – see DBWR trace file
ORA-01110: data file 206: ‘+DATA’

SOLUTION

If you are using XML in your database and you are trying to update any XML data, then above error may come.

Step 1: Add below line in your parameter file and bounce the database if not there.

*.dispatchers='(PROTOCOL=TCP) (SERVICE=PRODXDB)’

 

Step 2: Unlock the XDB user if locked.

SQL> alter user XDB account unlock;

 

Step 3:  If you have created a duplicate database or open standby database read/write mode, then source TEMP tablespaces will no more valid. drop your TEMP tablespace and create new TEMP tablespace and make it default.

SQL> DROP TABLESPACE TEMP  INCLUDING CONTENTS AND DATAFILES;

SQL> create temporary tablespace TEMP02 tempfile ‘/u02/apps/ORCL/temp_02.dbf’ size 1024M autoextend on; 

SQL> alter database default temporary tablespace TEMP02;

Bounce the database. Now sure the above error will not come.

 

 

About Syed Saad Ali

As a certified and experienced Oracle Database Administrator with Almost 10 Years of Experience I am able to perform all levels of database maintenance and am fully qualified to do Oracle updates as well. Capitalizing on my interest in Business & IT both, I chose to navigate my career towards Enterprise Solutions, which has enabled me to excel in the combination of both. I have developed exceptional analytical skills that allow me to diagnose and take care of issues immediately. Extremely skilled in planning and execution of special projects in time- critical environments. Extensive knowledge in directing, coordinating and exercising concern authority for planning, organization, control and successful completions. Very skilled at solving customer relations issues by seeking first to understand and then to be understood. Effectively able to communicate with customers, vendors and management.

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