What to consider when planning a cluster relocation

Moving an EMC Isilon cluster to a new location, whether it’s in your current building or several miles away, can be complicated. If you’re considering a physical move of your cluster, contact your Isilon account representative to have EMC Professional Services help you with the entire process, from planning to … READ MORE

Kirsten Gantenbein December 27th, 2013

A Tale of Two Architectures — Engineering for the 99.999% versus the 0.001%

Today’s enterprise storage arrays follow one of five different architectural approaches to clustering their controllers for high availability.  We’ve represented them here in order of increasing complexity (from a “how difficult is it to build” perspective), robustness, and performance. Dual-controller, Active/Passive Model:  This design uses two controllers.  In normal operations, … READ MORE

xtremio December 26th, 2013

Tech Prediction for 2014: IT’s Ability to Evolve Quickly

The era of instant gratification is upon us with the proliferation of cloud computing and software-as-a-service, Big Data and the latest analytical tools, and anywhere, anytime access to information on our mobile devices. Our true test as IT professionals will be our ability to evolve quickly to create contemporary and … READ MORE

Vic Bhagat December 23rd, 2013

Saved By Zero

[Editor’s Note – the author of this post, Robin Ren, is the CTO of XtremIO] Zero blocks are data blocks…, well, filled with zeros.  But how your array treats them can make a big difference… Why zero blocks are special In many operating systems, when you initialize a disk or … READ MORE

xtremio December 19th, 2013
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