Is Oracle in Archivelog mode?
One of the main features of a database that is in ARCHIVELOG mode is that it generates copies of the online redo logs called archived redo logs. By default in Oracle Database 10g and beyond, Oracle will send archived redo logs to the flash recovery area and we recommend this configuration.
What is Archivelog file in Oracle?
What Is the Archived Redo Log? Oracle Database lets you save filled groups of redo log files to one or more offline destinations, known collectively as the archived redo log, or more simply the archive log. The process of turning redo log files into archived redo log files is called archiving.
What is the benefit of running the DB in Archivelog mode over no Archivelog mode?
Running the database in ARCHIVELOG mode has the following benefits: The database can be recovered from both instance and media failure. Backups can be performed while the database is open and available for use.
What is archive log size?
Redlogfile size is 16 Mb and generating archivelog file size is around 10Mb.
How do I keep my database in Archivelog mode?
Enabling ARCHIVELOG mode
- Log in as user oracle and enter the following commands: $ export ORACLE_SID=
- To enable ARCHIVELOG mode status, enter the following SQL commands: SQL> Shutdown SQL> Startup mount SQL> Alter database archivelog; SQL> alter database open;
What is Archivelog mode?
ARCHIVELOG mode is a mode that you can put the database in for creating a backup of all transactions that have occurred in the database so that you can recover to any point in time.
How do I know the size of my RMAN backup?
Answer: The RMAN catalog tables (rc_backupset_summary and rc_backup_set) provide metadata details on the amount of storage consumed by an RMAN backup. You can also query the v$session_longops view to see the amount of size while an RMAN backup is running.