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Why NetApp is my ‘A-Game’ Storage Architecture

By Joe Onisick (@JoeOnisick) on February 22, 2011

One of, if not the, most popular of my blog posts to date has been â€˜Why Cisco UCS is my â€˜A-Gameâ€™ Server Architecture (http://www.definethecloud.net/why-cisco-ucs-is-my-a-game-server-architecture.)Â In that post I describe why I lead with Cisco UCS for most consultative engagements.Â This follow up for storage has been a long time coming, and thanks to some â€˜gentleâ€™ […]

Redundancy in Data Storage: Part 2: Geographical Replication

By Joe Onisick (@JoeOnisick) on February 21, 2011

This is a followup to my previous article, Redundancy in Data Storage: Part 1: RAID Levels, where I discussed various site-local data redundancy technologies. Here, I will attempt to detail many of the choices available to provide redundancy beyond the data center that organizations use to solve disaster recovery, business continuity, and continuity of operations […]

OTV and Vplex: Plumbing for Disaster Avoidance

By Joe Onisick (@JoeOnisick) on February 5, 2011

High availability, disaster recovery, business continuity, etc. are all key concerns of any data center design. They all describe separate components of the big concept: 'When something does go wrong how do I keep doing business.' Very public real world disasters have taught us as an industry valuable lessons in what real business continuity requires. […]

World Wide Technology’s Upcoming Geek Day

By Joe Onisick (@JoeOnisick) on January 15, 2011

Coming up very quickly is World Wide Technologyâ€™s (www.wwt.com) annual Geek Day, March 10th 2011 (http://www.wwt.com/geekday/.)Â Iâ€™m very much looking forward to the event for two reasons: Itâ€™s free to customers Itâ€™s totally focused on geeks interacting with geeks. The event is focused around live interactive demoâ€™s from sponsor technology companies with breakout sessions chosen […]

Cisco unified Computing System (UCS) High-Level Overview

By Joe Onisick (@JoeOnisick) on January 9, 2011

Iâ€™ve been looking for tools to supplement Power Point, Whiteboard, etc. and Brian Gracely (@bgracely) suggested I try Prezi (www.prezi.com.) Prezi is a very slick tool for non-slide based presentations.Â Â I donâ€™t think it will replace slides or white board for me, but itâ€™s a great supplement.Â Itâ€™s got a fairly quick learning curve if […]

Inter-Fabric Traffic in UCS–Part II

By Joe Onisick (@JoeOnisick) on January 3, 2011

In the first part of this post (http://www.definethecloud.net/inter-fabric-traffic-in-ucs) I discuss server traffic flows within a UCS system focusing on End-Host mode (EH mode.) EH mode is the default and recommended mode for the majority of UCS implementations, but the system can also be used in â€˜Switch modeâ€™ which causes the Fabric Interconnects to operate as […]

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