How To Fix RSD_TREX367 - Recovery mode '&1'; reason: '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 367

• Message text: Recovery mode '&1'; reason: '&2'

What causes this issue?

A comparison of the index status, the time stamp, and the state of the
index in the BWA has determined the mode with which the index can be
recovered after the selected snapshot has been imported.
<ZH>Mode:</>
D Delta from queue table
F Delta using request logic
N Rebuild
<ZH>Reason:</>
1 Index status "C"
2 Index definition changed
3 Request information in InfoCube is no longer complete
4 Requests can be transported again
5 Possible to read new and changed SIDs from recovery queue table
6 Queue table not possible, since the last snapshot is not selected
7 Package dimension index - old index data will be overwritten
8 Dimension index (or text index) # always rebuild
9 Queue table for this index is empty

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX367 - Recovery mode '&1'; reason: '&2' ?

  The SAP error message RSD_TREX367 indicates that the TREX (Text Retrieval and Extraction) search engine is in recovery mode. This typically happens when there is an issue with the TREX system that requires it to recover from an error or inconsistency. The message provides two parameters: &1 and &2, which usually represent the recovery mode and the reason for the recovery, respectively.
  Causes:
  
  System Crash or Failure: The TREX system may have encountered a crash or failure due to hardware issues, software bugs, or resource limitations.
  Data Corruption: There may be corruption in the index or data that TREX is trying to process.
  Configuration Issues: Incorrect configuration settings in TREX or the underlying database can lead to recovery mode.
  Resource Limitations: Insufficient memory or disk space can trigger recovery mode.
  Network Issues: Problems with network connectivity can also affect TREX operations.
  
  Solutions:
  
  Check TREX Logs: Review the TREX logs for detailed error messages that can provide insight into the specific issue causing the recovery mode.
  Restart TREX: Sometimes, simply restarting the TREX service can resolve temporary issues.
  Check System Resources: Ensure that the server has adequate memory and disk space. If resources are low, consider increasing them.
  Repair Indexes: If data corruption is suspected, you may need to rebuild or repair the TREX indexes.
  Configuration Review: Verify the configuration settings for TREX and ensure they are correct.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address the specific error or provide patches.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  TREX Documentation: Familiarize yourself with the TREX documentation for best practices and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Monitoring: Implement monitoring tools to keep an eye on the health of the TREX system and catch issues before they lead to recovery mode.
  
  By following these steps, you should be able to diagnose and resolve the issue causing the TREX system to enter recovery mode.