How do I change the destination in flash recovery area?
To change the location of the flash recovery area, enter the following command at the SQL Command Line prompt: ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ‘new_path’; where new_path is an absolute path to the new directory for the flash recovery area. The path must exist.
What is flash recovery area?
As explained in “Automatic Disk-Based Backup and Recovery: The Flash Recovery Area”, the flash recovery area feature lets you set up a location on disk where the database can create and manage a variety of backup and recovery-related files on your behalf.
How do I check flash recovery area?
You can check the configuration by looking at two parameters. The current FRA usage can be checked with the views v$recovery_area_usage (for each file type) and v$recovery_file_dest (for overall size and usage).
Where is the fast recovery area located?
9.3. Oracle recommends, however, that the fast recovery area be located on a separate storage device from the database files. Specifies the location of the fast recovery area. This can be a file system directory or an Oracle Automatic Storage Management (Oracle ASM) disk group, but not a raw disk.
What is Space_reclaimable in V Recovery_file_dest?
SPACE_RECLAIMABLE. NUMBER. Total amount of disk space (in bytes) that can be created by deleting obsolete, redundant, and other low priority files from the flash recovery area. NUMBER_OF_FILES.
How do I enable FRA?
Set FRA size. SQL> ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE=20G SCOPE=BOTH; System altered. The size must be set before setting FRA destination.
What is the use of Db_create_file_dest?
DB_CREATE_FILE_DEST specifies the default location for Oracle-managed datafiles. This location is also used as the default location for Oracle-managed control files and online redo logs if none of the DB_CREATE_ONLINE_LOG_DEST_ n initialization parameters are specified.
How do I clear FRA space in Oracle?
In general, you should not have to manually delete anything. If you are running out of space you have to either decrease your retention policy or increase the size of your FRA. delete noprompt expired backup; delete noprompt expired archivelog all; These delete all inventory entries that have no match in the storage.
What is Fra in Oracle database?
The fast recovery area is an Oracle-managed directory, file system, or Oracle Automatic Storage Management disk group that provides a centralized storage location for backup and recovery files. Oracle Database automatically manages this storage, deleting files that are no longer needed.
Where are Oracle restore points?
You can also use the following query to view only the guaranteed restore points: SQL> SELECT NAME, SCN, TIME, DATABASE_INCARNATION#, GUARANTEE_FLASHBACK_DATABASE, STORAGE_SIZE FROM V$RESTORE_POINT WHERE GUARANTEE_FLASHBACK_DATABASE=’YES’; For normal restore points, STORAGE_SIZE is zero.
What to do if FRA is full in Oracle?
The solution is to remove data from the FRA (see removing FRA logs )and/or increase the parameter DB_RECOVERY_FILE_DEST_SIZE.
What is Fra disk?
FRA (flash or fast recovery area) is a storage area (directory on disk or ASM diskgroup) that contains redo logs, control file, archived logs, backup pieces and copies, flashback logs and, in 11g, foreign archived logs. The flash recovery area was first introduced in Oracle 10g.
How to change the flash recovery area location?
Below are the steps for changing the flash recovery area (FRA destination). 1. Check the current FRA destination. 2. Change db_recovery_file_dest parameter. From onwards new files will be created in this new location. However, the flashback logs will be created under the old location.
How to create a flash recovery area in Oracle Database?
You use the DB_RECOVERY_FILE_DEST and DB_RECOVERY_FILE_DEST_SIZE initialization parameters to configure a flash recovery area in your database. When you use the DB_RECOVERY_FILE_DEST parameter to specify the destination of your flash recovery area, you can use a directory, file system, or ASM disk group as your destination.
Are there permanent files in the flash recovery area?
The files in the flash recovery area can be classified as permanent or transient. The only permanent files (assuming these are configured to be stored in the flash recovery area) are multiplexed copies of the current control file and online redo logs. These cannot be deleted without causing the instance to fail.
Where are the flashback logs stored in RMAN?
Flashback logs are stored in the flash recovery area, if it is defined. The default location for the RMAN control file autobackups is the flash recovery area, if it is defined. The default location for the RMAN datafile copies is the flash recovery area, if it is defined.