Troubleshooting a Sharepoint 2013 Search service database backup error

We would be specifically looking at couple of event logs and the troubleshooting will be based on that. So the error event IDs are these ID 6482 and ID 6398.

The context is the sharepoint 2013 backup configured with CommVault is partially failing. The failed databases are related to a search service application.

You can perform a manual backup from the central administration console for the specific databases.

 

Event ID 6482 says..

Application Server Administration job failed for service instance Microsoft.Office.Server.Search.Administration.SearchServiceInstance (1ab997dc-406d-49fd-a5bb-aa688c67ff4e).

Reason: An update conflict has occurred, and you must re-try this action. The object SearchDataAccessServiceInstance was updated by Servername\svc-sp-Farm, in the OWSTIMER (18132) process, on machine Server-SP01. View the tracing log for more information about the conflict.

Event ID 6398 says..

The Execute method of job definition Microsoft.Office.Server.UserProfiles.LMTRepopulationJob (ID 19bb8b55-2de1-4aee-af1c-12704fe87a27) threw an exception. More information is included below.

An update conflict has occurred, and you must re-try this action. The object LMTRepopulationJob Name=User Profile Service Application_LMTRepopulationJob was updated by Server-SP\svc-sp-Farm, in the OWSTIMER (18132) process, on machine MSU-SYD-SP01. View the tracing log for more information about the conflict.

So here are the step-by-step verifications we need to perform.

  1. Make sure the Sharepoint Administration and Sharepoint timer services are configured with the same service account.(f any deviation, correct it and restart both the services.)
  2. Login to Sharepoint SQL server and verify if the failed databases are configured with correct permissions.That means the assigned service account (Farm service account) has the DB owner and the Backup operator permissions configured on the failed databases.

3.  Finally we need to clear the config cache. Follow the steps to perform cache folder cleanup.

  • First Stop the timer service by launching services.msc
  • Open the folder %SystemDrive%\ProgramData\Microsoft\SharePoint\Config\ then delete all the XML files in the config cache folder. (Make sure you don’t delete the folder and a file named Cache.ini file)
  • Copy the Cache.ini file and save it under a secure folder and then Edit the cache.ini inside the config folder, deleted all the contents inside the file and just type 1 and save the file.By doing this you are notifying the services that all cache settings need to be refreshed. Eventually this value 1 will be updated to another number when the cache is regenerated.

Finally you can initiate a backup job from the Sharepoint admin console and verify the backup status.

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