SET THE PARAMETERS TO NOMINATE TWO DESTINATION DIRECTORIES CREATED IN STEP 1 AND TO CONTROL THE ARCHIVE LOG FILE NAMES

3. Set the parameters to nominate two destination directories created in Step 1 and to control the archive log file names. Note that it is necessary to include a trailing slash character on the directory names (a backslash on Windows).

SQL> alter system set log_archive_dest_1='location=/oracle/archive1/' scope=spfile;

SQL> alter system set log_archive_dest_2='location=/oracle/archive2/' scope=spfile;

SQL> alter system set log_archive_format='arch_%d_%t_%r_%s.log' scope=spfile;