RMAN supports two types of backups...
[http://www.amazon.com/Oracle-Database-RMAN-Backup-Recovery/dp/0072263172#reader_0072263172]This question is related to the book "Oracle Database 10g RMAN Backup & Recovery" by Matthew Hart and Robert G Freeman on page 6.
Please see the attachment. It says 'RMAN supports two types of backups.
Stop the database instance for cold backup and copy the necessary files using OS commands.
So, what is the meaning of say RMAN supports the backup of cold. We must not RMAN do cold back.
Context in which the author said that the above sentence.
Thank you
Smith
If you're doing a cold backup by RMAN (which is done with the database in MOUNT State), the advantage is that RMAN updates its repository / controlfile with information about the backup that was made.
As a result, RMAN can be used to identify and restore the backup.
(Of course, if the backup is a BACKUPSET, then you must RMAN to restore the backup, while a backup as COPY DATA file can also be restored using OS commands).
Hemant K Collette
http://hemantoracledba.blogspot.com
Tags: Database
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