It's not good to look at Doc.
sql> shutdown Immediate
The database has been closed.
The database has been unloaded.
The ORACLE routine has been closed.
Sql> Startup Mount
The ORACLE routine has started.
Total System Global area 104857600 bytes
Fixed Size 1247540 bytes
Variable Size 96470732 bytes
Database buffers 4194304 bytes
Redo buffers 2945024 bytes
Database loading complete.
--Enable manual archiving
sql> ALTER DATABASE Archivelog manual;
The database has changed.
Sql> select Log_mode from V$database;
Log_mode
------------
MANUAL
sql> ALTER DATABASE open;
The database has changed.
Sql> Show Parameter log_archive_max_processes
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
Log_archive_max_processes Integer 4
--The archive process is up.
Sql> SELECT * from v$archive_processes where status= ' ACTIVE ';
PROCESS STATUS log_sequence STAT
---------- ---------- ------------ ----
0 ACTIVE 0 IDLE
1 ACTIVE 0 IDLE
2 ACTIVE 0 IDLE
3 ACTIVE 0 IDLE
4 ACTIVE 0 IDLE
--AutoArchive displays ' Enable '
sql> archive log list;
Database log Mode archive mode
AutoArchive enabled
Archive Endpoint Use_db_recovery_file_dest
The oldest online log sequence 111
Next Archive log sequence 112
Current log Sequence 112
sql> alter system switch logfile;
The system has changed.
sql> alter system switch logfile;
--Hang on here ...
--======================================
To open another session:
Sql> alter system archive log current;
The system has changed.
Sql>
Author: 51cto Blog Oracle Little Bastard
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