Oracle Database Errors or Warnings from Error ORA-01531 to ORA-01540



ORA-01531: a database already open by the instance
Cause: During ALTER DATABASE, an attempt was made to open a database on an instance for which there is already an open database.
Action: If you wish to open a new database on the instance, first shutdown the instance and then startup the instance and retry the operation.
ORA-01532: cannot create database; instance being started elsewhere
Cause: During CREATE DATABASE, another user appears to be simultaneously altering the instance.
Action: Make sure no one else is simultaneously altering the instance. If no one is, contact your customer support representative; otherwise, retry the operation.
ORA-01533: cannot rename file ‘string’; file does not belong to tablespace
Cause: During ALTER TABLESPACE RENAME, a file to be renamed was not found in the argument tablespace.

Action: Specify the correct file name or the correct tablespace name.
ORA-01534: rollback segment ‘string’ doesn’t exist
Cause: During ALTER or DROP ROLLBACK SEGMENT, the specified rollback segment name is unknown.
Action: Use the correct rollback segment name.
ORA-01535: rollback segment ‘string’ already exists or given name has prefix _SYSSMU
Cause: Specified rollback segment already exists or given name starts with _SYSSMU.
Action: Use a different name. Note that _SYSSMU is an illegal prefix to an RBU segment.
ORA-01536: space quota exceeded for tablespace ‘string’
Cause: The space quota for the segment owner in the tablespace has been exhausted and the operation attempted the creation of a new segment extent in the tablespace.

Action: Either drop unnecessary objects in the tablespace to reclaim space or have a privileged user increase the quota on this tablespace for the segment owner.
ORA-01537: cannot add file ‘string’ – file already part of database
Cause: During CREATE or ALTER TABLESPACE, a file being added is already part of the database.
Action: Use a different file name.
ORA-01538: failed to acquire any rollback segment
Cause: Failed to acquire any rollback segment during startup in shared mode
Action: Startup in exclusive mode to create one more public segment or specify available private segments in the INIT.ORA parameter rollback_segments_required, then startup in shared mode
ORA-01539: tablespace ‘string’ is not online
Cause: Failed to either make a tablespace read-only or offline because it is not online. A tblespace must be online before it can become read-only or offline normal.
Action: Check the status of the tablespace. Use IMMEDIATE or TEMPORARY options to force all files offline. Bring the tablespace online before making it read-only.
ORA-01540: tablespace ‘string’ is not offline
Cause: Failed to bring a tablespace online because it is not offline
Action: Check the status of the tablespace

Above are list of Oracle Database Errors or Warnings from Error ORA-01531 to ORA-01540 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database.  Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.


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