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Why I Decided Not To Put Flash In The Array

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Why I Decided Not To Put Flash In The Array
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My story starts about 3 years ago, where at the time I was the Information Systems director for a large non-profit in Atlanta, GA. One of the initiatives at the time was to become 100% virtualized in 6 months; and there were obviously many tasks that needed to be accomplished before reaching that milestone. The first task was to upgrade the storage platform, as we had already surpassed the performance characteristics for the current workloads. As with any project, we looked at all the major players in the market, we ran trials, talked to other customers, and did our due-diligence for the project. It was not only important for us to be mindful of costs being a non-profit but we wanted also to be good stewards in everything we did.

The current storage system that we were looking to upgrade was a couple 7.2K RPM, 24 TB chassis’. We had plenty of storage for our needs but latency was in the 50ms range encompassing only about 3000 IOPs. Obviously not the best to run a virtualized environment on as you can see!! We looked at the early All Flash Arrays that were just coming out and we also looked at the Hybrid Arrays, all of them promising increased IOPs and lower latency. The problem was that they were not an inexpensive proposition. So, the dilemma of being good stewards and at the same time needing single digit latency with more than 50K IOPs was a challenge to say the least.

Read the entire article here, Why I Decided Not To Put Flash In The Array

via Todd Mace at www.toddmace.io.

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Todd Mace Todd Mace has 17+ years of experience as a virtualization and storage expert and author. He has been a Tech Evangelist, Product Manager, Engineer, and Senior Director in the public, private, startup, and academic sectors. He currently resides in Atlanta, GA with his wife and two daughters. His current certifications include: MCSE, MCT, VCP5 and he is also recognized as a VMware vExpert.

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