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Data Center Naming
By Matt | October 6, 2007
Consistent naming, along with good labelling, is a godsend in a crisis. Not say I can be obsessive on labeling server rooms, but there normally is a label maker with me when I’m on client sites.
For Data Centers, Sun offers a really good guide at: http://www.sun.com/blueprints/0501/Naming.pdf 
Every data center should at least by XY gridded — go by the floor tiles if it’s a raised floor. When you are talking the new guy through a problem on the phone late one night, you can tell him to go to RACK B4 and look for the box labelled “SQLSRV21.” If you have enough racks inventory becomes challenging, implement the Z axis as well. 2U = 3.5″, and if you start with “A” at the bottom, that gives you 7-1/2 feet of rack space to label A-Z for positions.
Here’s the EIA-310-D Hole Pattern, by the way:
While on the subject of labelling, do not forget to label your utilities — work with your electricians to label each outlet back to the breaker which controls it. That way if there is an after-hours outage, it is quick to know which circuit panel needs to be checked and which breaker needs to be reset.
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