Featured Image

Whatever Happened to VVOLs?

Virtual Volumes, or VVOLs is a technology first introduced by VMware in 2012 to enable the VM-level application of policies to storage.  In the 5+ years since the technology was announced, have VVOLs lived up to initial billing? Background The need for Virtual Volumes was apparent fairly early on in the server virtualisation journey.  Presenting… Read more »

Featured Image

HDS & 3PAR Top In Gartner’s General Purpose High End Arrays

It’s HP Discover week in Barcelona and so an appropriate time to talk about Gartner’s recent Critical Capabilities for General-Purpose, High-End Storage Arrays report.  Chris Mellor covered the details in a recent article, which included a chart of the top players.  Hitachi (through both the HDS and HP models) comes out top with their VSP… Read more »

Featured Image

Flash Tiering – HP 3PAR Adaptive Cache

I recently completed a white paper for HPE on a new feature in the 3PAR StoreServ platform called Adaptive Cache.  In disk-based 3PAR systems, flash SSD devices can be used to augment the DRAM cache.  This acts like a second level of memory tiering by cascading cached pages to flash rather than simply flushing them… Read more »

Featured Image

Flash News: Tegile, Nimble, Fusion-io and 3PAR

Another week goes by and more news on flash storage arrives in my inbox.  This week we’re talking about Tegile Systems Inc, Nimble Storage Inc, Fusion-io and HP’s 3PAR line of arrays. Tegile Launch Intelliflash If you’re not doing things intelligently with flash, you’re not doing it right, as we will see from these announcements…. Read more »