Most firms I'm aware of re-capitalize gear every 3-5 years, in order to avoid paying out-of-warrantee maintenance.
=================================== 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: sse...@mitre.org =================================== From: veritas-bu-boun...@mailman.eng.auburn.edu [mailto:veritas-bu-boun...@mailman.eng.auburn.edu] On Behalf Of Marelas, Peter Sent: Tuesday, February 15, 2011 5:40 PM To: Ed Wilts; Fred M Cc: veritas-bu@mailman.eng.auburn.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-boun...@mailman.eng.auburn.edu [mailto:veritas-bu-boun...@mailman.eng.auburn.edu] On Behalf Of Ed Wilts Sent: Wednesday, 16 February 2011 3:46 AM To: Fred M Cc: veritas-bu@mailman.eng.auburn.edu Subject: Re: [Veritas-bu] PureDisk vs. DataDomain On Wed, Feb 9, 2011 at 10:13 PM, Fred M <77fre...@gmail.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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