Data Center Advisors

Like my colleague Ken Wood, I too lied in my last post.

OK, so I lied about my last blog being the final of a three part series (1, 2 & 3). But aren’t we used to being lied to these days? I classify virtualization into three categories of prose: one-to-many, many-to-one, and this-to-that. (Turns out, I thought I blogged about this some time ago, but it [...]

I’ve been laying it on a little thick technically of late, so I thought I would throw a change-up in the mix before everyone thinks I’m losing my sense of fun. And, I’d rather have fun while working than working to have fun. Plus, my last post was rather long and voluminous, so here’s a [...]

It’s been two weeks since returning from Thailand on my Habitat for Humanity build. After the 17-hour flight home from Thailand to the US, I had a 48-hour turnaround before heading off to Mexico City for the week to participate in another one of our remarkably successful executive briefing centers with Hu Yoshida (see his [...]

So, this is the third and final installment of my blog series on capacity optimization techniques. The first article was on file level single instancing and file level compression, which also included a combination of the two. The second article described how data de-duplication works, which I demonstrated by using Linux commands.

A recent article by The Register’s Chris Mellor was passed my way by a colleague, at a perfect time. I was planning to post a blog this week on Hitachi’s contribution to the world of optical and holographic storage, but I didn’t know how I was going to introduce the subject.

In my last blog, I described some past techniques and the current method of file level single-instancing and its capacity optimization companion, file compression. In this post, I’d like step this up with the more modern approach to capacity optimization—data de-duplication—and I’m going to show you how it’s done.