I am often questioned during my Storage for Virtual Environments seminar presentations about VMware's Pluggable Storage Architecture (PSA). This system is fairly straightforward and concept: VMware provides native multipathing support for a variety of storage arrays, and allows third parties to substitute their own plug-ins at various points in the stack. But the profusion of … [Read more...] about VMware PSP and SATP in Plain English
This morning, Micron announced their "RealSSD" P320h SSD, bringing them into the PCIe storage market for the first time. Already a leading supplier of both consumer and enterprise SATA SSDs, as well as the world's leading supplier of NAND flash in partnership with Intel, this move puts Micron in direct competition with existing suppliers like media darling Fusion … [Read more...] about Micron Bursts Into the PCIe SSD Market
Well that was interesting! I spent Monday and Tuesday with a dozen bloggers in Colorado Springs learning about HP's key StorageWorks products from the executives and engineers of that storied company. Throughout the event, we listened, asked tough questions, and tweeted incessantly. HP Tech Day generated an avalanche of publicity for the company, including press articles and … [Read more...] about The Truth About HP’s Tech Day
Like clockwork, VMware has cranked out another update to their flagship enterprise product, ESX 3.5. The last update came out in early November, 2008, and included some major new functionality. What's in store this time to intrigue storage folks? Not much. For more information on earlier updates, see my articles: Storage Fixes in VMware ESX Server 3.5 Update … [Read more...] about Storage Changes in VMware ESX 3.5 Update 4
There is a battle shaping up in the enterprise storage industry. On one side are those who see flash storage as an upgrade for the disk drive, and on the other are those who see it as a cache between the CPU and the drive. It's a fundamental difference of opinion - flash chips can be used either way, and each approach has its unique benefits and drawbacks. The Register did a … [Read more...] about Is Flash A Disk Or A Cache?