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  1. #1
    Join Date
    Oct 2003

    RMAN online backup


    How does RMAN manages hot backup.if i am not wrong RMAN doesnt make the tablespaces in backup mode using begin backup/end backup and it also avoids extra redo generation.

    In that case for example if my backup is online and i have allocated 3 channels and the database has 10 files to backup and made 3 files per channel to backup.

    Assume i have file1 to 10 and allocated first 3 in 1st channel next 3 in 2nd channel and rest in third channel.

    If RMAN has finished taking the 1st channel backup and running the 2nd channel what happend when there are block changes happend in the first 3 files which already backuped up.How does RMAN manages and how does it manages the consistancy between files when doesnt use begin/end backup.

  2. #2
    Join Date
    Aug 2002
    Hey, lucky for you someone wrote a book this !

    I'm stmontgo and I approve of this message

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