Perform the following steps on the primary database:
SQL> archive log list Database log mode No Archive Mode Automatic archival Disabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 6 Current log sequence 8
SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down.
Ensure that you have performed a clean shutdown; if not, you may see this error: ORA-00265: instance recovery required, cannot set ARCHIVELOG mode.
SQL>startup mount ORACLE instance started. Total System Global Area 818401280 bytes Fixed ...