VPXD log file : Unable to get exclusive access to vCenter repository.

Hi ,

can't connect to internal DB after hard reboot to VC ,

can't login any more to vcenter unless root , but all my database deleted no HOST / cluster exist .

i try to reboot many services like vmware-vpxd , vmware-inventoryservice ,  and data store service  without any benefit  ...

VPX log file :

-->

2013-10-27T15:24:07.513Z [7FDC2CB6D740 info 'utilvpxdVdb'] Registry Item DB 5 value is ''

2013-10-27T15:24:07.513Z [7FDC2CB6D740 info 'utilvpxdVdb'] [VpxdVdb::SetDBType] Logging in to DSN: VMware VirtualCenter with username vc

2013-10-27T15:24:07.666Z [7FDC2CB6D740 warning 'Default'] [Vdb::LockRepositoryHelper] Failed to get exclusive lock: P0001:7:ODBC error: (P0001) - ERROR: Failed Lock

--> Failed to exclusively lock vCenter Repository!!;

--> Error while executing the query

2013-10-27T15:26:37.669Z [7FDC2CB6D740 error 'Default'] Unable to get exclusive access to vCenter repository.                           Please check if another vCenter instance is                           running against the same database schema.

2013-10-27T15:26:37.669Z [7FDC2CB6D740 error 'vpxdvpxdDaemon'] Unhandled exception <Error[VdbError] (-24) Vdb instance is not initialized or terminated>