How To Fix SDB2U012 - DSSIZE should be 1,2,4,8,16,32,64 or 128,256(V10) or 1024(V12) GB.

SAP Error Message - Details

• Message type: E = Error

• Message class: SDB2U - DB2/390: Messages for Function Group SDB2U

• Message number: 012

• Message text: DSSIZE should be 1,2,4,8,16,32,64 or 128,256(V10) or 1024(V12) GB.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDB2U012 - DSSIZE should be 1,2,4,8,16,32,64 or 128,256(V10) or 1024(V12) GB. ?

  The SAP error message SDB2U012 indicates that there is an issue with the configuration of the database size (DSSIZE) for your SAP HANA database. This error typically arises when the specified DSSIZE value is not one of the acceptable sizes defined by SAP.
  Cause:
  The DSSIZE parameter defines the maximum size of the database in gigabytes (GB) that can be allocated for the SAP HANA database. The error message specifies that the DSSIZE should be set to one of the following values:
  
  For versions prior to V10: 1, 2, 4, 8, 16, 32, 64, 128, 256 GB
  For version V10 and later: 1024 GB
  
  If the DSSIZE is set to a value that is not in this list, the system will throw this error.
  Solution:
  To resolve this error, you need to adjust the DSSIZE parameter to one of the acceptable values. Here are the steps to do this:
  
  
  Access the SAP HANA Studio or HANA Cockpit:
  
  Log in to your SAP HANA system using the HANA Studio or HANA Cockpit.
  
  
  
  Check Current DSSIZE Setting:
  
  You can check the current DSSIZE setting by executing the following SQL command:
  SELECT * FROM M_DATABASE;
  
  Look for the DSSIZE column in the output.
  
  
  
  Modify DSSIZE:
  
  If the DSSIZE is not set correctly, you can change it using the following SQL command:
  ALTER SYSTEM ALTER CONFIGURATION ('global.ini', 'SYSTEM') SET ('memory', 'DSSIZE') = '<desired_value>' WITH RECONFIGURE;
  
  Replace <desired_value> with one of the acceptable sizes (e.g., 128, 256, or 1024 for V10 and later).
  
  
  
  Restart the Database:
  
  After making changes to the configuration, you may need to restart the SAP HANA database for the changes to take effect.
  
  
  
  Verify Changes:
  
  After the restart, verify that the DSSIZE has been updated correctly by running the SQL command again.
  
  
  
  Related Information:
  
  Documentation: Refer to the official SAP HANA documentation for more details on memory management and configuration settings.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or updates related to this error.
  Version Compatibility: Ensure that you are aware of the version of SAP HANA you are using, as the acceptable DSSIZE values may vary between versions.
  
  By following these steps, you should be able to resolve the SDB2U012 error and configure the DSSIZE correctly for your SAP HANA database.