Video: Cabling A Rack at SoftLayer
May 9th, 2011 By: Rich Miller
Good cable management is essential to maintaining order in a data center. What does this process look like? The data center team at SoftLayer provides a closer look. “Each of the network switches we use in a rack has at least 48 ports,” writes Kevin Hazard at the SoftLayer blog. “Now consider that each rack has two public network switches, two private network switches and one out-of-band management network switch that need to be connected to every SoftLayer server in the rack. That’s 240 pre-measured network cables that need to be labeled and routed to specific heights in each rack … without getting tangled and knotted up (see: behind your TV or under your computer desk). The cabling process is so precise that if a single cable is out of place, the zip-tie on an entire bundle will be cut, and the process is started from scratch.” Here’s a video of the rack cabling process, which runs about 4 minutes.
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PiercePosted May 9th, 2011
Thats a pretty amazing video, I don’t know if I would have the patience to do that much cabeling for even one rack.
But what I don’t understand is the requirement for Public/Private setups and then a subsequent managment layer. I thought the point of modern day switches was the ability to configure them into a multitude of setups requiring one switch per rack? Heck what about one switch core per “unit” of servers?
Maybe I am awfully naive into thinking this…
But then I do read here, how critical it is to have the minimal amount of switches and cables to reduce PUE and less switches/cables means better air flow.
What about using cable ties I thought that was a nono too as that was percieved to “choke” the cable and over bend it at each cable tie thus reducing bandwidth.
Don’t get me wrong, respect for the ability to install that much cabeling that nicely.
johnPosted May 9th, 2011
cray. sure does take some time
Daniel GoldingPosted May 10th, 2011
These guys are real pros. They put thought into minimizing cable runs to reduce capex.
Pierce – you can’t “choke” a cable. With fiber, you can exceed the bend radius, and it doesn’t work. Otherwise, you’re fine.
ErikPosted May 10th, 2011
ty-wraps… tight bend radius… so many guys, and some stood around… speed was a bit slow too especially since they now have to go back, cut ties, and redo with velcro. pretty good, but could’ve been better.
Call me a sad old trainspotter, but I love videos like this a lot of clients don’t really know what they’re buying. an fair enough they don’t have to…. but the ones that are interested this could really be illuminating
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