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2025-04-01 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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V. Connection of RMAN
Connect using operating system authentication
[oracle@oracle11g ~] $rman target /
Use a user with dba privileges to connect
[oracle@oracle11g ~] $rman target username/password
Or
[oracle@oracle11g ~] $rman
RMAN > connect target username/password
VI. Related concepts and configuration parameters of RMAN
Backup set: a logical data collection consisting of one or more RMAN backup slices, which are operating system files in RMAN format, including parameter files, control files, data files, or archive log files.
Channel: represents the session connection between the RMAN client and the database server.
Image replication: a backup of the operating system file of a database file, just like a file backed up using the operating system's copy instruction.
View the configuration parameters of RMAN
RMAN > show all
The default backup type for RMAN is a backup set, and you can change the default backup type to image replication.
RMAN > configure device type disk backup type to copy
Image replication of the entire database
RMAN > backup as copy database
Image copy a single tablespace
RMAN > backup as copy tablespace users
The image copies a data file
RMAN > backup as copy datafile 4
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