From owner-freebsd-questions@FreeBSD.ORG Tue Dec 2 08:47:41 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 35742A23 for ; Tue, 2 Dec 2014 08:47:41 +0000 (UTC) Received: from nm8-vm5.bullet.mail.ir2.yahoo.com (nm8-vm5.bullet.mail.ir2.yahoo.com [212.82.96.139]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 79D77826 for ; Tue, 2 Dec 2014 08:47:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rocketmail.com; s=s1024; t=1417510051; bh=Sqq48M6YjSNdkjUgSRtzT55CDjKtRCfBCu5Peo+Soo4=; h=Date:From:To:Subject:In-Reply-To:References:From:Subject; b=04nQ427HEXhGi7mdxvS9xvUysKAthMiWPsmIzAFWtUGP0SqhzAhW1q7s6848kEujtMn7Oc0pr2bkAEZ/xTL2j850gqHCROsyln5OucNletxNyWhFcF5yNstmdeUKoQknlaoYX4XqwAJLEtwBJRlYZ/l+cZBUBl//Y/ByK3hS+Fo= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rocketmail.com; b=mqyLTcD9JuV7FXu1lhS6tuE5XuWwknk+DENQK0iQ2KJX0E8hZMj0nGSFfYGzhE7oA1Qa0imfrmEQdvLItdfR+Ajk228GdQs3hSdJgWmtUzJKZfvPyi7nVRYfhXdh+PnifNIzPW/hxw7GTk54ObeFUZUe7/SI15lxEgsuxUZDFjc=; Received: from [212.82.98.61] by nm8.bullet.mail.ir2.yahoo.com with NNFMP; 02 Dec 2014 08:47:31 -0000 Received: from [46.228.39.81] by tm14.bullet.mail.ir2.yahoo.com with NNFMP; 02 Dec 2014 08:47:31 -0000 Received: from [127.0.0.1] by smtp118.mail.ir2.yahoo.com with NNFMP; 02 Dec 2014 08:47:31 -0000 X-Yahoo-Newman-Id: 584602.58136.bm@smtp118.mail.ir2.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: lPvUfgcVM1mojD6wPwpBHSzvYFosOgj_MhUdlNsbMLF3TTh _VYhmCQ6jbVoYHtF.X0SCm9aKuB8.mMrQsbOQTPdXfRFp5qYYzJW81sNL6wM EPtPUr4IgpeszPixJZe2Iy.joSOHtnCa7tQcs_cNVlaurUBmHHx_Miuuao8j MxUgiMyTnb.jj02feSbuSK1euZzAe3p9YEJPSsouU4Qxt1HQUpH7rygJ78yj ADKqywrrMEsC9ahVcjVeklVVzQdRbNofpJSNQUumPx._.ASmetds02Ai.mOL UFxb0yvAhhpGH4BgKV5BkOavuesG24sSTMG.Q3vYVoE0g1q9kV2cIaeWggIN vi3RjU0DDFk5Ot9NTNMLRVanNC9t8ERIkUk3ECAKl7ZveX7cv0ZO.palcfjI gtRvX019RZ4vFV7cMk.9vkLrbM53ORPL43_wj2fgxECMI1ch4vppzxB3E6Jw yLHicko82MtgEY652_PoUTOKJPQo15_lyQTb81.gG5_GVBXuNkQhI2mFSyEN wTppTawwG4KfszWEEqjvAz2K_TlxV5PRdHJvkPGDcr1nuR9raR.2FZTwx3W. brxeKG2rJnWRH7XCmZPx.08i3nltbc8QgSSSleBbqUD2G0YIG7NNDEoPbc.W Ujq.m2AT5xqKV_4omORy3PDpL6RW4o_AvJYo5S3NZ7NKo8Q-- X-Yahoo-SMTP: BeMCPs2swBABTJ3kAeEiC_hE0mz8jRexLddJfD8pI2j32fOacjBmXg-- Date: Tue, 2 Dec 2014 09:47:31 +0100 From: Ralf Mardorf To: freebsd-questions@freebsd.org Subject: Re: OT: UPS for FreeBSD Message-ID: <20141202094731.7fcf1364@archlinux> In-Reply-To: <547d74b4.qPmD4NU27Cup8Ccm%perryh@pluto.rain.com> References: <54777AB1.9010800@bluerosetech.com> <54779629.302@bluerosetech.com> <5478BD4F.7020306@yahoo.com> <5478BEE6.30308@bluerosetech.com> <5478CC08.9090307@yahoo.com> <20141128204722.561f948e@archlinux> <5478F16A.80605@yahoo.com> <54791d3a.w/pI0kak03d+3nKC%perryh@pluto.rain.com> <20141129113405.3d1bd1d6@X220.alogt.com> <54798883.saa13h6lE6rPwZCf%perryh@pluto.rain.com> <20141130212746.6d5eaf1f@X220.alogt.com> <547bd5bd.dKE49fHIj28ERZyT%perryh@pluto.rain.com> <20141201140037.584faf7e@X220.alogt.com> <547d74b4.qPmD4NU27Cup8Ccm%perryh@pluto.rain.com> X-Mailer: Claws Mail 3.11.1-35-ga8df3ae (GTK+ 2.24.25; x86_64-arch-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Dec 2014 08:47:41 -0000 On Tue, 02 Dec 2014 00:13:40 -0800 perryh@pluto.rain.com (Perry Hutchison) wrote: > Alejandro Imass wrote: > > > ... at high power you would still need to employ high voltage to > > decrease loss in the distribution, or you would need to employ > > ridiculously large conductor bars to be able to distribute > > low-voltage DC even in the most modest data center ... > > Oh, for Pete's sake! What part of "integrate a UPS with the PSU" > (http://lists.freebsd.org/pipermail/freebsd-questions/2014-November/262603.html) > is so hard to understand? As Google does for their "modest" data centers http://lists.freebsd.org/pipermail/freebsd-questions/2014-November/262602.html