Category: New Technologies

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How to decipher EMC’s new VNX pre-announcement and look behind the marketing.

It was with interest that I watched some of EMC’s announcements during EMC World. Partly due to competitor awareness, and partly due to being an irrepressible nerd, hoping for something really cool.

BTW: Thanks to Mark Kulacz for assisting with the proof points. Mark, as much as it pains me to admit so, is quite possibly an even bigger nerd than I am.

So… EMC did deliver something. A demo of the possible successor to VNX (VNX2?), unavailable as of this writing (indeed, a lot of fuss was made about it being lab only etc).

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Are some flash storage vendors optimizing too heavily for short-lived NAND flash?

I really resisted using the “flash in the pan” phrase in the title… first, because the term is overused and second, because I don’t believe solid state is of limited value. On the contrary.

However, I am noticing an interesting trend among some newcomers in the array business, desperate to find a flash niche to compete in:

Writing their storage OS around very specific NAND flash technologies. Almost as bad as writing an entire storage OS to support a single hypervisor technology, but that’s a story for another day.

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Buyer beware: is your storage vendor sizing properly for performance, or are they under-sizing technologies like Megacaching and Autotiering?

With the advent of performance-altering technologies (notice the word choice), storage sizing is just not what it used to be.

I’m writing this post because more and more I see some vendors not using scientific methods to size their solution, instead aiming to reach a price point, hoping the technology will work to achieve the requisite performance (and if it doesn’t, it’s sold anyway, either they can give some free gear to make the problem go away, or the customer can always buy more, right?)

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Stack Wars: The Clone Wars

It seems that everyone and their granny is trying to create some sort of stack offering these days. Look at all the brouhaha – HP buying 3Par, Dell buying Compellent, all kinds of partnerships being formed left and right. Stacks are hot.

To the uninitiated, a stack is what you can get when a vendor is able to offer multiple products under a single umbrella. For instance, being able to get servers, an OS, a DB, an email system, storage and network switches from a single manufacturer (not a VAR) is an example of a single-sourced stack.

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Single wire and single OS: yet another way to tell true unified storage from the rest

This is going to be a mercifully short entry. I’m saving the big one for another day 🙂

One of the features of NetApp storage is that by using Converged Network Adapters (CNAs) one can use a single wire and transport over that FC, iSCSI, NFS and CIFS, at the same time.

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