How To Fix DB6621 - Maximum size of a tablespace

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6 - DB6: Alert Monitoring and Alert Configuration

• Message number: 621

• Message text: Maximum size of a tablespace

What causes this issue?

Due to technical database restrictions, the maximum size of a
tablespace is limited (this maximum size depends of page size).
Page Size,,Max. Tablespace
4 KB,,64 GB
8 KB,,128 GB
16 KB,,256 GB
32 KB,,512 GB
And so on

System Response

If a tablespace reaches the maximum size, no more INSERTs are possible.

How to fix this error?

Determine which are the largest tables in the tablespace and move these
tables to a new tablespace using report DB6CONV.
See also SAP Note 362325.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6621 - Maximum size of a tablespace ?

  The SAP error message DB6621 indicates that the maximum size of a tablespace has been reached. This typically occurs in database systems when the allocated space for a particular tablespace is exhausted, preventing any further data from being added to it. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Tablespace Limitations: Each tablespace has a defined maximum size, which can be reached due to excessive data growth.
  Data Growth: Rapid growth of data in the database, such as large transactions, logs, or temporary tables, can fill up the tablespace quickly.
  Configuration Settings: The tablespace may have been configured with a low maximum size limit.
  Fragmentation: Inefficient use of space due to fragmentation can also lead to the perception that the tablespace is full.
  
  Solutions:
  
  
  Increase Tablespace Size:
  
  For Oracle: You can increase the size of the tablespace by adding data files or resizing existing data files. Use SQL commands like:
  ALTER DATABASE DATAFILE 'path_to_datafile' RESIZE new_size;
  or
  ALTER TABLESPACE tablespace_name ADD DATAFILE 'new_datafile_path' SIZE size;
  
  For other databases: Similar commands exist for other database systems (e.g., SQL Server, DB2, etc.).
  
  
  
  Monitor and Manage Data Growth:
  
  Regularly monitor the size of the tablespace and the growth of data.
  Implement data archiving strategies to move old data to separate tablespaces or databases.
  
  
  
  Optimize Database Design:
  
  Review the database schema and optimize it to reduce unnecessary data storage.
  Consider normalization or partitioning strategies to manage data more effectively.
  
  
  
  Cleanup Unused Data:
  
  Identify and delete any obsolete or unnecessary data that may be consuming space in the tablespace.
  
  
  
  Consult Database Documentation:
  
  Refer to the specific database documentation for detailed instructions on managing tablespaces, as commands and capabilities can vary between database systems.
  
  
  
  Related Information:
  
  Database Administration: Regular maintenance and monitoring of database performance and storage are crucial for preventing such issues.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message.
  Backup and Recovery: Always ensure that you have a backup before making significant changes to the database structure or data.
  
  Conclusion:
  The DB6621 error indicates a critical issue with tablespace management. By increasing the size of the tablespace, optimizing data storage, and implementing regular monitoring, you can resolve this issue and prevent it from occurring in the future.