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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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Recovery goals determine backup configuration

A successful RMAN implementation will include the formal definition of both backup and recovery goals. You could refer back to Chapter 5 for RTO and RPO as a starting point. Mean Time to Recover (MTTR) is another objective that will be touched on in this chapter.

MTTR (also known as fast-start checkpointing) is not enabled in 11g by default. It allows the database to recover (apply committed transactions, rollback uncommitted), which automatically occurs while bringing up a database after a crash or during an actual restore and recovery session. To enable this feature, the following database parameter is set to a non-zero number.

fast_start_mttr_target               integer     0

At the same time, reset the following database parameters back to zero:

LOG_CHECKPOINT_INTERVAL
LOG_CHECKPOINT_TIMEOUT
FAST_START_IO_TARGET

You should know from the previous chapters that faster checkpoints (synchronizing all the datafile headers, flushes data written to...

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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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