How To Fix RSDD_ZA281 - BW Accelerator services are still only &1 percent available

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 281

• Message text: BW Accelerator services are still only &1 percent available

What causes this issue?

The availability check indicates that the BW accelerator services are
only &SYST-MSGV1& percent available. It is possible that the inactive
services are currently restarting or that they will restart soon. If the
availability level drops further, this can indicate a problem, assuming
the BW accelerator services were not explicitly restarted (for example,
from the BW accelerator monitor).
Note any changes to this value, since these may be caused by an
availability issue. This applies particularly if the availability of
services lies below 30 percent.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Execute any recommended actions. If the system does not provide any
recommended actions, the actions do not resolve the issue, or if you
notice a further drop in availability and have not restarted any
services, contact your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA281 - BW Accelerator services are still only &1 percent available ?

  The SAP error message RSDD_ZA281 indicates that the BW Accelerator services are not fully available, with only a certain percentage of the services operational. This can lead to performance issues when querying data in SAP BW (Business Warehouse) environments that utilize the BW Accelerator for faster data retrieval.
  Cause:
  The error message typically arises due to one or more of the following reasons:
  
  
  Resource Constraints: The BW Accelerator may be running low on resources such as CPU, memory, or disk space, which can limit its ability to process queries effectively.
  
  
  Service Issues: The BW Accelerator services may not be running correctly or may have encountered an error that prevents them from functioning optimally.
  
  
  Configuration Problems: There may be misconfigurations in the BW Accelerator settings or in the connection between SAP BW and the BW Accelerator.
  
  
  Data Volume: A large volume of data or complex queries can overwhelm the BW Accelerator, leading to reduced availability.
  
  
  Maintenance Tasks: Ongoing maintenance tasks or background jobs may be consuming resources, impacting the availability of the BW Accelerator services.
  
  
  Solution:
  To resolve the issue, you can take the following steps:
  
  
  Check System Resources:
  
  Monitor the CPU, memory, and disk usage of the BW Accelerator. Ensure that there are sufficient resources available.
  If resources are low, consider upgrading the hardware or optimizing the existing resources.
  
  
  
  Restart Services:
  
  Restart the BW Accelerator services to reset any potential issues. This can often resolve temporary glitches.
  
  
  
  Review Logs:
  
  Check the logs for the BW Accelerator to identify any specific errors or warnings that may indicate the root cause of the problem.
  
  
  
  Configuration Review:
  
  Verify the configuration settings for the BW Accelerator. Ensure that the connection between SAP BW and the BW Accelerator is correctly set up.
  
  
  
  Data Management:
  
  If the data volume is too high, consider optimizing the data model or partitioning the data to improve performance.
  
  
  
  Maintenance Tasks:
  
  Schedule maintenance tasks during off-peak hours to minimize their impact on the BW Accelerator's performance.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or updates that may address known issues with the BW Accelerator.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  SAP BW Accelerator: A tool designed to enhance the performance of SAP BW queries by providing faster data retrieval capabilities.
  Monitoring Tools: Utilize SAP monitoring tools to keep track of system performance and resource usage.
  Performance Tuning: Regularly perform performance tuning and optimization of your BW environment to ensure efficient operation.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the BW Accelerator services availability.