Veritas-bu

[Veritas-bu] compression calculation

2005-04-07 15:50:31
Subject: [Veritas-bu] compression calculation
From: Mark.Donaldson AT cexp DOT com (Mark.Donaldson AT cexp DOT com)
Date: Thu, 7 Apr 2005 13:50:31 -0600
Are project A & B backed up on different servers, different policies, or
otherwise identifiable from the Netbackup point-of-view?

-M

-----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 Jerry
Sent: Thursday, April 07, 2005 1:18 PM
To: Mark.Donaldson AT cexp DOT com; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] compression calculation


You but I have backups from project A and project B on
the same tapes, and I know what they have very
different compression ratios based on the type of
data.

--- Mark.Donaldson AT cexp DOT com wrote:
> You could use bpmedialist to list all your media &
> the number of bytes on
> them and compare the KB on tapes marked as "FULL"
> against the stated
> capacity of the tapes.
> 
> This could be done automatically with a long-output
> into a script but I
> haven't time to breadboard one together today. 
> 
> Good Luck!
> 
> -M
> 
> -----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 Jerry
> Sent: Thursday, April 07, 2005 12:30 PM
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] compression calculation
> 
> 
> I'm trying to estimate how many tapes to purchase
> for
> a backup project.  Is there a way to tell the
> compression ratio I'm getting with hardware
> compression?  I have some backups of various systems
> but unless they are all the same type of backup and
> the tape is full, I'm not sure how to calculate it.
> 
> Jerry
> 
> 
>               
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