How To Fix DB6PM715 - DBCFG - NUM_IOCLEANERS: value &1 not within permitted range

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 715

• Message text: DBCFG - NUM_IOCLEANERS: value &1 not within permitted range

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM715 - DBCFG - NUM_IOCLEANERS: value &1 not within permitted range ?

  The SAP error message DB6PM715 DBCFG - NUM_IOCLEANERS: value &1 not within permitted range typically relates to the configuration of the database parameters in an SAP system, particularly when using a database like SAP HANA or MaxDB. This error indicates that the value set for the parameter NUM_IOCLEANERS is outside the acceptable range defined by the database system.
  Cause:
  The NUM_IOCLEANERS parameter controls the number of I/O cleaners that the database uses to manage the cleaning of dirty pages in the buffer pool. If the value set for this parameter is too low or too high, it can lead to performance issues or instability in the database. The error message indicates that the value you have configured is not within the permitted range defined by the database.
  Solution:
  
  
  Check Current Configuration: First, check the current value of the NUM_IOCLEANERS parameter. You can do this by accessing the database configuration settings.
  
  
  Determine Permitted Range: Refer to the database documentation or configuration guidelines to find the permitted range for the NUM_IOCLEANERS parameter. This information is usually available in the database administration guide.
  
  
  Adjust the Value: 
  
  If the value is too low, increase it to a value within the permitted range.
  If the value is too high, decrease it to a value within the permitted range.
  Make sure to consider the overall system resources and workload when setting this parameter.
  
  
  
  Apply Changes: After adjusting the value, apply the changes. This may require restarting the database or the SAP application server, depending on the database system and the nature of the changes.
  
  
  Monitor Performance: After making the changes, monitor the database performance to ensure that the new configuration is effective and does not introduce any new issues.
  
  
  Related Information:
  
  Database Documentation: Always refer to the official documentation for your specific database version (e.g., SAP HANA, MaxDB) for detailed information on configuration parameters.
  SAP Notes: Check SAP Notes for any known issues or recommendations related to this error message.
  Performance Tuning: Consider engaging in performance tuning practices to optimize the database configuration based on your specific workload and usage patterns.
  
  If you continue to experience issues after making these adjustments, it may be beneficial to consult with your database administrator or SAP support for further assistance.