认真就输

环境介绍： 11.2.0.3 rac-single adg，linux环境 1 alert日志报错信息 Errors in file /oracle/app/oracle/diag/rdbms/htz/htz/trace/htz_lgwr_21296.trc: ORA-04020: deadlock detected while trying to lock object SYS.crmadb Mon Oct 20 02:05:33 2014 MRP0: Background Media Recovery terminated with er ...