Check the Database in an Archive Log Mode or Not
ARCHIVE LOG LIST
Changing the Archiving Mode
SHUTDOWN IMMEDIATE
STARTUP MOUNT
ALTER DATABASE ARCHIVELOG
ALTER DATABASE OPEN
Automatic and Manual Archiving
SHOW PARAMETER DB_RECOVERY_FILE_DEST;
Automatic and Manual Archiving
Automatic Archiving:
ALTER SYSTEM SET LOG_ARCHIVE_START=TRUE SCOPE=SPFILE;
STARTUP FORCE;
Manual Archiving:
ALTER SYSTEM SET LOG_ARCHIVE_START=FALSE SCOPE=SPFILE;
STARTUP FORCE;
Stop or Start Additional Archive Processes
ALTER SYSTEM SET LOG_ARCHIVE_MAX_PROCESSES=4 SCOPE=SPFILE;
STARTUP FORCE;
Manually Archiving Online Redo Log Files
ALTER SYSTEM ARCHIVE LOG CURRENT;
Specify Multiple Archive Log Destinations
Use LOG_ARCHIVE_DEST_ n to specify up to ten archival destinations, which can be on a:
Local Disk
Remote Location
ALTER SYSTEM SET LOG_ARCHIVE_DEST_1=”LOCATION=C:\oracle\product\10.2.0\
icelog_dba12\Location_1″ SCOPE=SPFILE;
STARTUP FORCE;
LOG_ARCHIVE_DEST_n Options
ALTER SYSTEM SET LOG_ARCHIVE_DEST_2=”LOCATION=C:\oracle\product\10.2.0\
icelog_dba12\Location_2 MANDATORY REOPEN” SCOPE=SPFILE;
ALTER SYSTEM SET LOG_ARCHIVE_DEST_3=”LOCATION=C:\oracle\product\10.2.0\
icelog_dba12\Location_2 OPTIONAL REOPEN=200″ SCOPE=SPFILE;
STARTUP FORCE;
Default REOPEN is 300 seconds.
Specifying a Minimum Number of Local Destinations
ALTER SYSTEM SET LOG_ARCHIVE_MIN_SUCCEED_DEST=2 SCOPE=SPFILE;
Controlling Archiving to a Destination
Archiving to a destination can be disabling
ALTER SYSTEM SET LOG_ARCHIVE_DEST_STATE_2=DEFER;
Archiving to a destination can be enabling
ALTER SYSTEM SET LOG_ARCHIVE_DEST_STATE_2=enable;
Dynamic Views
V$ARCHIVED_LOG: Displays archived log information from the control file;
V$ARCHIVE_DEST: For the Current instance, describes all archive log destinations, the current value and status
SELECT destination, binding,status
FROM v$archive_dest;V$LOG_HISTORY: Contains log file information from the control file.
V$ARCHIVE_PROCESSES: Provides information about the state of the various ARCH processes for the instance.
SELECT * FROM v$archive_processes;
