We are using PureDisk for our remote sites and it is doing a great job with the 
de-dupe.  We are backing up across networks with very high latency and at T1 or 
even less speeds

-- Monte

-----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 Curtis 
Preston
Sent: Monday, September 24, 2007 8:52 PM
To: Robin Small; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] De-Dupe with NBU PureDisk

That scenario is exactly what Puredisk was designed for.  If it's
typical user data (i.e. not auto-generated data like seismic or medical
imaging), I'd estimate less than 1% a day going across the wire, often
less than 0.5%.  (Your mileage may vary, of course.)

---
W. Curtis Preston
Backup Blog @ www.backupcentral.com
VP Data Protection, GlassHouse Technologies

-----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 Robin
Small
Sent: Monday, September 24, 2007 7:55 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] De-Dupe with NBU PureDisk

The talk about the tapeless environments has got me thinking, and oddly
enough, we just got a visit from our Quantum sales reps talking about
the DXi series dedupe products.

Any of you folks have much experience with the Symantec NBU PureDisk
approach?

We have some remote offices that I currently have media servers at with
small slot-count autoloaders. I *hate* having to go change tapes
(they're all in-town but still a pita). I'm curious about the
utilization and replication over relatively slow T1 links.

~ Robin


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