How To Fix COV_LOG094 - RC = &1 and ERRTEXT = &2 for shared memory flush

SAP Error Message - Details

• Message type: E = Error

• Message class: COV_LOG - Coverage Analyzer: Log Entries in Monitor

• Message number: 094

• Message text: RC = &1 and ERRTEXT = &2 for shared memory flush

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 COV_LOG094 - RC = &1 and ERRTEXT = &2 for shared memory flush ?

  The SAP error message COV_LOG094 with return code (RC) &1 and error text (ERRTEXT) &2 typically relates to issues with shared memory flush operations in the context of SAP's core functionalities, particularly in the area of the SAP Converged Logging (COV) or similar components that utilize shared memory for performance optimization.
  Cause:
  
  Memory Allocation Issues: The error may occur if there is insufficient shared memory allocated for the SAP instance. This can happen if the system is under heavy load or if the configuration settings for shared memory are not optimal.
  Configuration Errors: Incorrect settings in the SAP profile parameters related to shared memory can lead to this error. This includes parameters like shmmax, shmmin, and shmall.
  Resource Contention: If multiple processes are trying to access or flush shared memory simultaneously, it can lead to contention and result in this error.
  Kernel Bugs: Occasionally, bugs in the SAP kernel or the underlying operating system can cause issues with shared memory management.
  
  Solution:
  
  
  Check Shared Memory Configuration:
  
  Review the SAP instance profile parameters related to shared memory. Ensure that they are set correctly according to the system's requirements.
  Increase the shared memory limits if necessary. This can be done by adjusting the operating system parameters (e.g., shmmax, shmall on Unix/Linux systems).
  
  
  
  Monitor System Load:
  
  Use monitoring tools to check the system load and memory usage. If the system is under heavy load, consider optimizing the workload or scaling the resources.
  
  
  
  Restart the SAP Instance:
  
  Sometimes, a simple restart of the SAP instance can resolve temporary issues related to shared memory.
  
  
  
  Check for Kernel Updates:
  
  Ensure that you are running the latest version of the SAP kernel. If not, consider applying the latest patches or updates.
  
  
  
  Review Logs:
  
  Check the SAP system logs (e.g., dev_w0, dev_r0) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that address this specific error message. There may be known issues or recommended fixes.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  SAP Memory Management: Understanding how SAP manages memory can help in diagnosing and resolving issues related to shared memory.
  Operating System Settings: Familiarize yourself with the operating system's shared memory settings, as they can significantly impact SAP's performance.
  Performance Tuning: Regular performance tuning and monitoring can help prevent such issues from occurring in the future.
  
  By following these steps, you should be able to identify the cause of the COV_LOG094 error and implement a suitable solution.