How To Fix RT286 - Performance attribute: Disk KB transferred per second

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 286

• Message text: Performance attribute: Disk KB transferred per second

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT286 - Performance attribute: Disk KB transferred per second ?

  The SAP error message RT286, which refers to the performance attribute "Disk KB transferred per second," typically indicates that there is a performance issue related to disk I/O operations in your SAP system. This can affect the overall performance of your SAP applications, leading to slower response times and degraded user experience.
  Cause:
  
  High Disk I/O: The system may be experiencing high disk read/write operations, which can be due to heavy transactions, large data processing, or inefficient database queries.
  Disk Bottlenecks: The physical disk may not be able to handle the volume of data being transferred, leading to bottlenecks.
  Insufficient Hardware Resources: The server may not have adequate CPU, memory, or disk resources to handle the workload.
  Configuration Issues: Incorrect configuration of the database or the SAP application can lead to inefficient data access patterns.
  Fragmentation: Disk fragmentation can slow down read/write operations, affecting performance.
  Network Latency: If the database is hosted on a different server, network issues can also contribute to slow disk performance.
  
  Solution:
  
  Monitor Disk Performance: Use monitoring tools to analyze disk I/O performance and identify bottlenecks. Tools like SAP Solution Manager or third-party monitoring solutions can help.
  Optimize Database Queries: Review and optimize SQL queries to reduce unnecessary disk access. Use indexing where appropriate to speed up data retrieval.
  Increase Hardware Resources: If the current hardware is insufficient, consider upgrading the disk subsystem (e.g., using SSDs instead of HDDs) or adding more memory and CPU resources.
  Database Maintenance: Perform regular database maintenance tasks such as reorganization, defragmentation, and updating statistics to improve performance.
  Configuration Tuning: Review and adjust the configuration settings of the database and SAP application to optimize performance.
  Load Balancing: If applicable, distribute the load across multiple servers or databases to reduce the pressure on a single disk.
  Review Background Jobs: Check for any long-running background jobs that may be consuming excessive disk resources and optimize or schedule them during off-peak hours.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to performance issues and RT286 for specific recommendations and patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Performance Tuning Guides: Refer to SAP's performance tuning guides for best practices on optimizing SAP systems and databases.
  Database-Specific Tuning: Depending on the database you are using (e.g., Oracle, SQL Server, HANA), consult the respective documentation for specific tuning recommendations.
  
  By addressing the underlying causes and implementing the suggested solutions, you can improve the disk performance and resolve the RT286 error in your SAP system.