Q:  

What do you think are the most important criteria when selecting a data storage vendor (i.e., price, integration capabilities, etc.)?

A:  

Doug Hackney’s Answer: The most important criteria in today’s and tomorrow’s data storage world relate not to storage density or maximum sustained throughput, but to the data processing, manipulation, management and transformation capabilities of the storage subsystem. The future is in moving these activities off of the CPU bus and into the storage bus. Your vendor must demonstrate a compelling vision and technological road map in this regard as well as current-day, real-world capabilities in these areas.

This being said, and all other things being equal, data warehouse systems are inherently I/O bound, so look for as much parallel bandwidth as you can get.

Chuck Kelley’s Answer: Against the finance department wishes, I would want to get a whole bunch of small disks so that I can spread out the data. If they don’t carry small disks, I would discount them. Next, I would like to be able to "hot swap" a problem disk without having to bring everything down. After that, mean time between failure, integration and price would all influence my decision.

Sid Adelman’s Answer: The following are critical and should be mandatory. If the vendor fails any of these three, drop them.

  1. Integrity.
  2. Support.
  3. Integration (seamless) with existing hardware/software. Seamless means that you don’t have to write any code to make the integration happen.

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