Edward Ned Harvey wrote: >> 5 amps per node! Woweee! Those would be some beastly servers. I would >> expect a reasonable server as described by Ski to be closer to 2 amps. > > The best thing to do is to buy something like a Kill-A-Watt, and put your > server under load, and measure it. Record the VA, the W, and the A. I > normally inflate all of these measurements 10-20% just for the heck of it. > Keep a spreadsheet of all the servers, make sure you don't exceed 80% of > your power circuit A's, or 90% of the UPS VA's or W's. > > I do this for every server I have, and the results vary enormously per > server. Late model Dell servers are extremely power efficient, and your 2A > estimate might be reasonable, even generous. However, I have some old model > Dells that require 460 VA (4A) and I have a recent Sun fileserver that > requires about 550VA (5A). >
Killawatt is great, but typically does not capture the initial spike when you turn the machine on. You should check the manufacturer specs. -- Yves. http://www.sollers.ca/ _______________________________________________ Tech mailing list [email protected] http://lopsa.org/cgi-bin/mailman/listinfo/tech This list provided by the League of Professional System Administrators http://lopsa.org/
