How do I duplicate in RMAN?
Table of Contents
How do I duplicate in RMAN?
Steps to clone a database using RMAN:
- Create a password file on the destination server.
- Establish connectivity between the target and destination server (tnsnames.ora, sqlnet.ora)
- Create the directories for the database files.
- Take the RMAN backup from the target server and copy it to the destination server.
How many channels can allocate for RMAN?
You can allocate up to 255 channels; each channel can read up to 64 files in parallel. You can control the degree of parallelism within a job by the number of channels that you allocate.
Where is RMAN configuration stored?
You can configure persistent settings for your channels, such as channel parameters, parallelism, and the default device type for backups. The configured settings are stored in the RMAN repository.
What is the use of Db_create_file_dest?
1.79 DB_CREATE_FILE_DEST 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.
What is Db_file_name_convert?
DB_FILE_NAME_CONVERT is useful for creating a duplicate database for recovery purposes. It converts the filename of a new datafile on the primary database to a filename on the standby database. If you add a datafile to the primary database, you must add a corresponding file to the standby database.
What are Oracle channels?
A channel consists of a server session on the target or auxiliary database and a data stream from the database to the backup device or vice-versa. RMAN console sends commands to the database using this channel, and the server session running on the database executes the command on behalf of Recovery Manager.
What is RMAN configuration?
RMAN is preconfigured to use disk as the default device type. No additional configuration is necessary. You may need to change the default device type from disk to tape, or change it back from tape to disk. Table 5-1 shows the commands that configure the default device.
What is DB_CREATE_ONLINE_LOG_DEST_1?
The DB_CREATE_ONLINE_LOG_DEST_1 and DB_CREATE_ONLINE_LOG_DEST_2 parameters set the default file system directories for redo log file and control file creation. Each redo log file and control file is multiplexed across the two directories. Creating a database.
What is Log_file_name_convert parameter?
LOG_FILE_NAME_CONVERT converts the filename of a new log file on the primary database to the filename of a log file on the standby database. If you add a log file to the primary database, you must add a corresponding file to the standby database.
What is RMAN redundancy?
The RMAN retention policy determines how long backups are kept for and how many copies are retained. The retention policy can be defined in terms of: REDUNDANCY – number of copies to retain. RECOVERY WINDOW – number of days to retain backups.
