How To Fix RSDD_ZA324 - Snapshot exported to external memory; available again after import

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 324

• Message text: Snapshot exported to external memory; available again after import

What causes this issue?

The snapshot has been exported to an external storage medium, such as a
magnetic tape drive. It cannot be automatically imported straight away.
However, it is not defective.

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?

Import the snapshot from your external storage medium into your SAP
NetWeaver BW Accelerator. It should then be possible to carry out the
recovery process without any problems.

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_ZA324 - Snapshot exported to external memory; available again after import ?

  The SAP error message RSDD_ZA324 indicates that a snapshot of a data model (like an InfoProvider) has been exported to external memory and is not currently available for use until it is imported back into the system. This situation typically arises in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when dealing with large datasets or when performing certain operations that require memory management.
  Cause:
  
  Memory Management: The system automatically exports snapshots to external memory to manage memory usage effectively, especially when dealing with large data models or during heavy processing.
  Data Model Changes: If there are changes made to the data model or InfoProvider, the system may export the snapshot to ensure that the changes can be applied without affecting ongoing processes.
  System Performance: The export may be a part of performance optimization, where the system tries to free up memory for other operations.
  
  Solution:
  
  
  Import the Snapshot: The primary solution is to import the snapshot back into the system. This can usually be done through the SAP BW administration tools or transaction codes related to data modeling.
  
  You can use transaction RSA1 (Data Warehousing Workbench) to manage InfoProviders and perform the import.
  Look for options related to "Manage" or "Import" in the context of the specific InfoProvider or data model.
  
  
  
  Check System Logs: Review the system logs or the BW process chain logs to identify any specific issues that may have led to the export of the snapshot. This can provide insights into whether there are underlying issues that need to be addressed.
  
  
  Monitor Memory Usage: Keep an eye on the memory usage of your SAP BW system. If you frequently encounter this error, it may indicate that your system requires more memory resources or that you need to optimize your data models.
  
  
  Adjust Configuration: If this issue occurs frequently, consider adjusting the configuration settings related to memory management in your SAP BW system. This may involve tuning parameters that control how snapshots are handled.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to memory management and snapshot handling in BW. This can provide additional context and specific steps tailored to your version of SAP.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Performance Tuning: Consider performance tuning for your BW system, which may involve optimizing data models, reducing the size of InfoProviders, or archiving old data.
  
  By following these steps, you should be able to resolve the RSDD_ZA324 error and ensure that your data models are available for use in your SAP BW environment.