Permabits and Petabytes

October 14, 2008

Dedupe Ratios: Fact and Fiction

Filed under: Jered Floyd — jeredfloyd @ 5:13 am

Greetings, everyone. I’ve been back from my trip for a while; I apologize for the lack of posts! I’ll get some pictures up soon, although the ones in the official gallery are surely better. I’ll post some of the favorite things I saw later.

Over at his blog, Scott Waterhouse (from EMC) takes to task backup vendors that claim outrageous dedupe ratios. Now, this is just a wee bit entertaining given that EMC Avamar has been claiming deduplication ratios of 300:1 for many years now, but his point is absolutely valid. (more…)

October 12, 2008

Dirty Little Secrets About Dirty Little Secrets

Filed under: Jered Floyd — jeredfloyd @ 5:08 pm

Over at eWeek, Chris Preimesberger has what looks like a brutal article on archive systems. On further inspection, though, it looks more like a damning (but nameless) indictment of EMC’s Centera. In that context, he’s spot on, but I wish he didn’t try to drag down all of archiving with one rotten apple!

Let’s look through the problems Chris identifies. (more…)

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