DataGuard单实例到RAC搭建

复制alter system set LOG_ARCHIVE_CONFIG=DG_CONFIG=(orcl,单到R搭建orcl_st) scope=both sid=*;  alter system set LOG_ARCHIVE_DEST_1=LOCATION=USE_DB_RECOVERY_FILE_DEST VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=orcl scope=both sid=*;  alter system set LOG_ARCHIVE_DEST_2=SERVICE=orcl_st reopen=120 lgwr async VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=orcl_st scope=both sid=*;  alter system set fal_server=orcl_st scope=both sid=*;  alter system set db_file_name_convert=/oradata/orcl/datafile,+data/orcl/datafile,/oradata/orcl/tempfile,+data/orcl/TEMPFILE scope=spfile sid=*;  alter system set log_file_name_convert=/oradata/orcl/onlinelog,+data/orcl/ONLINELOG scope=spfile sid=*;  alter system set standby_file_management=AUTO scope=both sid=*;   1.2.3.4.5.6.7.