Cisco Blogs


Cisco Blog > Inside Cisco IT

Bizarro On My Mind

April 19, 2013 at 10:00 am PST

Saturday morning wasn’t complete for me as a kid if it didn’t include a bowl of pre-sweetened cereal and time watching cartoons.  Challenge of the Super Friends was my favorite, thanks to its unforgettable opening sequence and the chance to see Superman, Batman and other heroes overcome the latest scheme by the Legion of Doom to take over the world.

One of the Legion’s intriguing villains was Bizarro – the imperfect duplicate of Superman with the blocky white face and backwards S on his chest.  Although the writers didn’t give poor Bizarro much personality beyond bad grammar – “Me have plan destroy Super Friends!” – my friends and I enjoyed debating how his backwards, bad-means-good perspective would express itself in everyday activities. Read More »

Tags: , , , , , , , , ,

Sniffing Out a Data Center’s PUE

April 10, 2013 at 10:30 am PST

Power Usage Effectiveness or PUE, is the most commonly used metric in Data Centers today.  Data Center industry organizations tout it, major companies brag about their scores, and energy efficiency certifications use it in their ratings.

Despite how thoroughly it has been embraced, though, it’s not without flaws.  In my opinion, they mostly stem from the fact that PUE is more complicated than it looks.  Although calculating the metric is a relatively straightforward exercise, the resulting score doesn’t tell you anything about the factors that influenced it.  Hence why it’s a bad idea to compare PUE among Data Centers.

Read More »

Tags: , , , , , , , ,