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Slow RMAN backup and restore using TSM (Doc ID 1072800.1)

Last updated on OCTOBER 27, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.4 - Release: 10.2
Information in this document applies to any platform.

Symptoms


RMAN backup and restore to sbt  device is very slow.
Media manager is Tivoli Data Protection for Oracle: version 5.5.1.0.

Typical runtimes:

RMAN>backup database;

Elapsed time: ~5 hrs

RMAN>backup validate database;

Elapsed time:  18 mins

TSM is using a disk staging area from which the backups are copied to tape.


Cause

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