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Ronnie Wood and Friends @ Hammersmith Odeon: Another View

July 2, 2012

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I know it’s only rock ‘n’ roll but….

Posted on July 2, 2012 by philip

A couple of nights ago I enjoyed watching one old rocker in the company of another, an expert in the genre.  It was a fun night out – and got me thinking about the PUE of a rock concert!

Imagine the scene: a data centre (the Hammersmith Appollo) with a main machine hall (the stalls + stage) and a half-size mezzanine (the circle).  3600 racks (or seats), quite well spaced, filled and with occasional hot-spots .  (One or two of the older models must have been liquid-cooled given how frequently they had to visit the facilities:)).  It was cooled to a comfortable temperature, not excessively cold.   And it was very much a mixed vendor environment.  On stage there was

  • a compact, high energy server (Ronnie Wood on lead, perhaps the man who put the “64” into x64)
  • an old mid-range, running very smoothly and efficiently on background processes (Bill Wyman on bass)
  • some high-reliability Unix machines keeping core applications running, rock solid (Mick Taylor and Hamish Stuart on rhythm, Andy Newmark and Simon Kirke on drums)
  • some virtual machines on standby to add extra processing during peak periods (the horn section)
  • and some multimedia servers for streaming specialist content (singers Beverley Skeete and Sharleen Spiteri)
  • not forgetting the amount of archive storage these machines need access to (looooonnnnng memories)!

Overall, it was a solid performance without too many risks being taken.  Perhaps the data centre equivalent of a PUE of 2.

Of course, there is something else a concert review has in common with all too many data centres: it is purely subjective.  You cannot rely on canvassing a few audience members after a performance to get a true impression of what it was really like.  Similarly, many data centres rely on taking some manual readings at perhaps weekly or monthly intervals (or worse), transfer them to a spreadsheet and then calculate a one-off PUE value.  This does not tell you anything very useful about how efficiently you are running your facility.  To really understand data centre efficiency you need a DCIM solution centred around automated, detailed monitoring of the infrastructure combined with informative reporting.  Perhaps something like InSite, for example.

From → Gigs, Music

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