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Tag Archives: svc

Enterprise Computing: VPLEX – Write Back or Write Through?

A little discussion on Twitter between myself, @BasRaayman, @UltraSub and @esignoretti got me thinking about the evolution of VPLEX and the whole caching thing.  It’s something I mentioned on one of my previous VPLEX posts and it could have significant impact on designing and implementing VPLEX solutions.  Here’s the conundrum. First of all, be aware that VPLEX is a write-through ... Read More »

Enterprise Computing: Storage Expo – It’s All Over

So Storage Expo is over for another year.  As usual it was the mix of meeting old friends, finding out who had moved to work with who and working out how early to head out to the pub! For me, there were a number of interesting take aways: SVC 5.0 – lots of new stuff here that will form part ... Read More »

Enterprise Computing: What Next For Virtualisation?

Earlier this month, Texas Memory Systems announced they had acquired the intellectual assets of Incipient, a company that produced SAN virtualisation hardware and software.  With Incipient gone, EMC hardly bothering to mention Invista, what is the future of SAN LUN virtualisation?  I talked about Incipient last year, here and here when discussing the costs of performing migrations.  As I said at the time, ... Read More »

Enterprise Computing: Data Migration Strategies – Part V

This is the final post in a series on Enterprise Data Migration Strategies.  Previous posts: Enterprise Computing: Data Migration Strategies – Part I Enterprise Computing: Data Migration Strategies – Part II Enterprise Computing: Data Migration Strategies Part III Enterprise Computing: Data Migration Strategies – Part IV Previously we’ve discussed how to plan, structure and organise migrations.  In this post, I’ll touch on some ... Read More »

LUN Stacker

A recent post from Martin “The Bod” Glassborow got me thinking about the whole process of LUN consolidation. I’ve done lots of migrations where people quake at the thought of changing the LUN size from one array to another. Now, I almost always want to change LUN sizes, as the vendor specific ones – 8.43GB/13.59GB etc are pretty painful and ... Read More »

Get the Balance Right

It’s not very often I side with one vendor or another however after BarryB’s recent post regarding “Benchmarketing” I feel obliged to comment. Have a read of Barry Whyte’s rebuttal too. We see technology advancements because “concept” devices are used to drive innovation but don’t necessarily translate directly to end-user products. Look at the fashion industry – some of the ... Read More »