Veritas-bu

[Veritas-bu] rman performance.

2006-04-17 14:14:05
Subject: [Veritas-bu] rman performance.
From: scottd AT HanoverDirect DOT com (Deiter Scott)
Date: Mon, 17 Apr 2006 14:14:05 -0400
We are beginning the setup for hot backups for our large databases.
The simple single threaded setup takes over 28 hours to run.
We need to run the backup to two tapes concurrently.  

Solaris 9 master/media server
L80 storagetek library with SDLT
Solaris 9 client with oracle 9

The policy has a limit of 8 jobs
The schedule has multiplexing set to 4.

The rman script allocates two channels.  We are now running two jobs per
backup. However, they are streaming to the same tape.  I know there is a
manual for this and I have not found it yet.

How can we get four jobs running to two tapes?


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