Veritas-bu

[Veritas-bu] Getting decent performance from bpduplicate?

2003-03-17 11:41:57
Subject: [Veritas-bu] Getting decent performance from bpduplicate?
From: david AT datastaff DOT com (David A. Chapa)
Date: Mon, 17 Mar 2003 10:41:57 -0600
Duplication is a one-to-one process, however you have made a very
interesting point with regards to the other source drives sitting idle.

I wonder if VERITAS would consider such a feature?


David

<><><><><><><><><><><><><><><><><><><><>
David A. Chapa
DataStaff, Inc.
312-683-1144
http://www.BackupScripts.com

Co-Author of
Implementing Backup and Recovery:
The Readiness Guide for the Enterprise
published by John Wiley and Sons
A Veritas Solution Series Publication
ISBN:0471227145
---------------------------------------

-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf Of Smith
Colin-WCCS07
Sent: Monday, March 17, 2003 10:21 AM
To: 'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: RE: [Veritas-bu] Getting decent performance from bpduplicate?


>-----Original Message-----
>From: Chris Costa [mailto:chris.costa AT veritas DOT com]
>Sent: Monday, March 17, 2003 3:48 PM
>To: Smith Colin-WCCS07
>Subject: RE: [Veritas-bu] Getting decent performance from bpduplicate?
>
>
>Unfortunately the purchase of the vaulting piece will not help
>you in terms of speeding up the duplication of  a multiplexed
>backup. The reason for the slow time is the searching of the
>individual images for the duplication process. It will look to
>"concatenate" a multiplexed backup this where the "bottleneck" is.

I don't really have a problem with individual duplications having to scan
through the tape, It's pretty much what I expected. The issue I have with it
is that there are 7 other drives sitting idle. They could be scanning
through other tapes at the same time. I can't seem to find a way to get them
into use though.

--
Colin Smith
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