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You're reading from  Oracle Database 11g : Underground Advice for Database Administrators

Product typeBook
Published inApr 2010
PublisherPackt
ISBN-139781849680004
Edition1st Edition
Tools
Oracle Database
Concepts
Database Administration
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Author (1)
April Sims
April Sims
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April Sims

April Sims is currently the Database Administrator at Southern Utah University and an Oracle Certified Professional: 8i, 9i, and 10g with a master's degree in Business Administration from the University of Texas at Dallas. Involved as a volunteer with the Independent Oracle Users Group for over 7 years, April is currently a Contributing Editor for the IOUG "SELECT" Journal. April is an annual presenter at Oracle OpenWorld, IOUG COLLABORATE, and numerous regional Oracle-related conferences.
Read more about April Sims

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What doesn't RMAN backup, restore, and recover?

The following files are still considered critical, so here are a few comments on what their role is in the overall backup and recovery strategy for your organization.

  • Online redo: Redo is archived for recovery

  • Online undo: Usually not needed for recovery

  • Temporary tablespaces: No need to backup; only used during queries

  • Binaries: Multiple $ORACLE_HOMES and standbys provide some redundancy

  • Password files: Can be recreated; requires database cycle if password is changed

  • Parameter files (pfiles): Can be recreated or a temporary one put into place

  • Diagnostic destination: Restore from OS backups

  • SQL*Net files: Can be recreated; may need to recycle database

  • Block change tracking file: File recreated the next time RMAN is run

  • User-initiated RMAN backup logs: E-mail to DBA; retain on disk for historical comparisons

Online redo: Key to consistency

One of the biggest misunderstandings for a new DBA is assuming that it is safe or reasonable to backup...

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Oracle Database 11g : Underground Advice for Database Administrators
Published in: Apr 2010Publisher: PacktISBN-13: 9781849680004
© 2010 Packt Publishing Limited All Rights Reserved

Author (1)

author image
April Sims

April Sims is currently the Database Administrator at Southern Utah University and an Oracle Certified Professional: 8i, 9i, and 10g with a master's degree in Business Administration from the University of Texas at Dallas. Involved as a volunteer with the Independent Oracle Users Group for over 7 years, April is currently a Contributing Editor for the IOUG "SELECT" Journal. April is an annual presenter at Oracle OpenWorld, IOUG COLLABORATE, and numerous regional Oracle-related conferences.
Read more about April Sims

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