--standby端：
Oracle$set oracle_sid=dgdb1
Oracle$sqlplus / as sysdba
SQL> startup nomount pfile=’/export/home/oracle/standby.ora’
SQL> CREATE SPFILE FROM PFILE='/export/home/oracle/standby.ora';
--在primary端修改相应参数
--primary端：
Oracle$sqlplus / as sysdba
SQL> ALTER SYSTEM SET STANDBY_FILE_MANAGEMENT = AUTO scope=both;
SQL> ALTER SYSTEM SET fal_client='dgdb1' scope=both;
SQL> ALTER SYSTEM SET LOG_ARCHIVE_CONFIG='DG_CONFIG=(dgdb1_s,dgdb1)' scope=both;
SQL> ALTER SYSTEM SET log_archive_dest_1='LOCATION=/export/home/oracle/archive VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=dgdb1' scope=both;
SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_2='SERVICE=dgdb1_s LGWR ASYNC=40960 VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=dgdb1_s' scope=both;
SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_STATE_1='ENABLE' scope=both;
SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_STATE_2='ENABLE' scope=both;
SQL> ALTER SYSTEM SET standby_archive_dest='/export/home/oracle/archive' scope=both;