Re: [Veritas-bu] PureDisk vs. DataDomain

Most firms I’m aware of re-capitalize gear every 3-5 years, in order to avoid paying out-of-warrantee maintenance.

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   Steven L. Sesar
   Data Storage Architect
   UNIX Application Services R101
   The MITRE Corporation
   202 Burlington Road - MS K101
   Bedford, MA 01730
   tel: (781) 271-7702
   fax: (781) 271-2600
   mobile: (617) 519-8933
   email: ssesar AT mitre DOT org

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From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Marelas, Peter
Sent: Tuesday, February 15, 2011 5:40 PM
To: Ed Wilts; Fred M
Cc: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] PureDisk vs. DataDomain

I don’t buy that rational. How often do you think you are going to turn over an appliance? It is more likely you will add to the pool of appliances. I know we have never turned over a VTL and only now we are replacing them with DD’s.

From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Ed Wilts
Sent: Wednesday, 16 February 2011 3:46 AM
To: Fred M
Cc: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] PureDisk vs. DataDomain

On Wed, Feb 9, 2011 at 10:13 PM, Fred M <77fred.m AT gmail DOT com> wrote:

My employer is requesting I evaluate PureDisk and DataDomain for de-duplication.

One of the selling advantages of the PureDisk appliances is that you only buy the de-dupe licenses once. All hardware eventually gets old. When that happens, you can buy another PureDisk appliance and re-use your existing de-dupe licenses. You could build your own appliance with off-the-shelf hardware and re-use the licenses. With a DD, when you upgrade the hardware, you're re-buying the software again since the prices are not separate.

When you're doing the cost comparisons, factor in not only the initial purchase but also subsequent purchases.

I despise per-TB licenses too (as somebody else pointed out), If I had a choice, I wouldn't buy them and would tend to avoid the PureDisk licensing model specifically for this reason.

.../Ed

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