SQL> alter system set log_archive_start=true scope=spfile;
System altered.
SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST='C:\Oracle\product\11.1.0\db_1\database\archive' scope=spfile;
System altered.
SQL> ALTER SYSTEM SET log_archive_format='arch_%t_%s_%r.arc' SCOPE=spfile;
System altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORA-32004: obsolete and/or deprecated parameter(s) specified
ORACLE instance started.
Total System Global Area 535662592 bytes
Fixed Size 1334380 bytes
Variable Size 167773076 bytes
Database Buffers 360710144 bytes
Redo Buffers 5844992 bytes
Database mounted.
SQL> alter database archivelog;
Database altered.
SQL> alter database open;
Database altered.
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 15
Next log sequence to archive 17
Current log sequence 17
SQL>