Veritas-bu

Re: [Veritas-bu] Spam: NBU 6 Tuning for Small Files Backup

2007-06-13 18:49:54
Subject: Re: [Veritas-bu] Spam: NBU 6 Tuning for Small Files Backup
From: "Wilkinson, Tim" <Tim.Wilkinson AT dsto.defence.gov DOT au>
To: "Paul Keating" <pkeating AT bank-banque-canada DOT ca>, <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Thu, 14 Jun 2007 08:37:26 +1000
Hmmm - I thought I was but probably have to read up on it now :)
 
And then a bit of testing......
 


From: Paul Keating [mailto:pkeating AT bank-banque-canada DOT ca]
Sent: Wednesday, 13 June 2007 10:53 PM
To: Wilkinson, Tim; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Spam: NBU 6 Tuning for Small Files Backup

Tim, are you sure about this?
I can't imagine having 100% of the original valume available as cache space, nor the load on the client, and the time that would be required to completely mirror a multi TB filesystem!
 
Could it be that it uses something more along the lines of a Copy-On-Write snapshot, vs a complete mirror?
 
Paul
 
 
--
-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Wilkinson, Tim
Sent: June 13, 2007 12:38 AM
To: Khurram Tariq; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Spam: NBU 6 Tuning for Small Files Backup

Khurram,
 
 .....  but because it works per volume, you need the space for the cache, which is at least the same size as the volume you are backing-up.
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