[CentOS] OT: Measure 2U Server Amp Usage
Robert Moskowitz
rgm at htt-consult.com
Wed Aug 2 02:09:00 UTC 2006
Karl R. Balsmeier wrote:
> Hi,
>
> Running a bunch of CentOS servers on 2U supermicro equipment, usually with
> 8 drives on Adaptec SmartRAID V or LSI Megaraid.
>
> In designing a rack in a data center, the question arises as to how to
> measure the amperage the server uses, prior to investing in power drops
> that actually do that for you, even remotely, for about $260.00-300USD per
> unit. This number is the important one these days in determining
> rack/datacenter design.
>
I use the Radio Shack Amp meter. It has an inductance jaw that you put
over ONE wire to the device. This means you need a place on the circuit
that separates the hot and neutral wires. I have a special rig: Mail
plug - separate wires - Female receptacle. Of course I have to unplug
the device, put this rig in, test, then put things back.
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