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NDB fails to delete policy due to "An error occurred while updating the entries. See the inner exception for details."

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Applies to

  • NetApp Data Broker (NDB) 1.0.x
  • SnapCenter Plug-in for VMware vSphere (SCV) 4.3 and later

Issue

  • NDB/SCV is unable to delete policy due to the following error.

Unable to delete policy with name <Policy Name> from SnapCenter Server : An error occurred while updating the entries. See the inner exception for details.

remove-policy.png

  • ProtectionService-<YYYYMMDD>.log shows the following error.

[ERR] [ServiceName:Policy] [RequestId:XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX] [CorrId:] [JobId:] 
  Microsoft.EntityFrameworkCore.DbUpdateException: An error occurred while updating the entries. See the inner exception for details. 
  ---> MySql.Data.MySqlClient.MySqlException: Cannot delete or update a parent row: a foreign key constraint fails (`nsm`.`nsm_ProtectionNode`, CONSTRAINT `FK_nsm_ProtectionNode_nsm_Policy` FOREIGN KEY (`nsm_PolicyId`) REFERENCES `nsm_Policy` (`nsm_Policy_Id`)) 
  ---> MySql.Data.MySqlClient.MySqlException: Cannot delete or update a parent row: a foreign key constraint fails (`nsm`.`nsm_ProtectionNode`, CONSTRAINT `FK_nsm_ProtectionNode_nsm_Policy` FOREIGN KEY (`nsm_PolicyId`) REFERENCES `nsm_Policy` (`nsm_Policy_Id`))
   at MySqlConnector.Core.ResultSet.ReadResultSetHeaderAsync(IOBehavior ioBehavior) in C:\projects\mysqlconnector\src\MySqlConnector\Core\ResultSet.cs:line 42
   --- End of inner exception stack trace ---

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