How To Fix HH064 - The specified path points to the same 'raw device' as another path

SAP Error Message - Details

• Message type: E = Error

• Message class: HH - (Long) text for check tool 'infcfgcheck'

• Message number: 064

• Message text: The specified path points to the same 'raw device' as another path

What causes this issue?

The two specified paths (relative from $INFORMIXDIR) point to the same
raw device. In this situation you can easily overwrite existing chunks
and thereby destroy the database.

How to fix this error?

Delete redundant links if they are not already being used for existing
chunks (check using 'onstat -d'). If both links are already being used
contact the Hotline to have the situation checked.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HH064 - The specified path points to the same 'raw device' as another path ?

  The SAP error message HH064 indicates that there is a configuration issue related to the storage paths in the SAP system. Specifically, it means that the specified path for a raw device is pointing to the same physical storage as another path that has already been defined. This can occur in scenarios where multiple paths are configured for the same raw device, which is not allowed.
  Cause:
  
  Duplicate Configuration: The most common cause of this error is that the same raw device has been configured multiple times in the SAP system, leading to a conflict.
  Incorrect Device Mapping: There may be an error in the mapping of the raw devices, where two different paths are inadvertently pointing to the same underlying storage.
  System Migration or Changes: If there have been recent changes to the system configuration, such as migrations or updates, it may have resulted in incorrect path definitions.
  
  Solution:
  
  Check Configuration: Review the configuration of the raw devices in the SAP system. Ensure that each raw device is defined only once and that there are no duplicate entries.
  Remove Duplicates: If you find that the same raw device is configured multiple times, remove the duplicate entries from the configuration.
  Verify Path Definitions: Ensure that the paths defined in the SAP system are correct and point to the intended raw devices without overlap.
  Consult Documentation: Refer to the SAP documentation or your system administrator for guidance on how to properly configure raw devices and paths.
  Restart Services: After making changes, it may be necessary to restart the relevant SAP services or the entire system to apply the new configuration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error message.
  System Logs: Review system logs for any additional error messages or warnings that may provide context for the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Backup Configuration: Always ensure that you have a backup of your configuration before making changes, to avoid data loss or further issues.
  
  By following these steps, you should be able to resolve the HH064 error and ensure that your SAP system is correctly configured to avoid conflicts with raw device paths.