From owner-freebsd-questions@FreeBSD.ORG Wed Apr 26 12:31:37 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0DBC016A408 for ; Wed, 26 Apr 2006 12:31:37 +0000 (UTC) (envelope-from infofarmer@gmail.com) Received: from nz-out-0102.google.com (nz-out-0102.google.com [64.233.162.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id A7CF443D45 for ; Wed, 26 Apr 2006 12:31:35 +0000 (GMT) (envelope-from infofarmer@gmail.com) Received: by nz-out-0102.google.com with SMTP id x3so1824624nzd for ; Wed, 26 Apr 2006 05:31:35 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=QKnDA6ilxLkSKQ6nqY6pwKeSCqJyx8DvJekzUD2mk7vs/Uqn5jJoyI9Nx07W/oU+nIAD5kE4k67ofUd+QyZEgmId7e01zCxD4YVMhDEcAF4lWzRWFeSEXsUKdnCi0IH8nXar/geUA494VncyA3V/fWof7yEE3ZXeHsl3IbvoAdc= Received: by 10.36.118.9 with SMTP id q9mr61586nzc; Wed, 26 Apr 2006 05:31:35 -0700 (PDT) Received: by 10.37.22.74 with HTTP; Wed, 26 Apr 2006 05:31:35 -0700 (PDT) Message-ID: Date: Wed, 26 Apr 2006 16:31:35 +0400 From: "Andrew Pantyukhin" To: "Jonathan Horne" In-Reply-To: <200604260705.23623.jhorne@dfwlp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <20060426031606.33136.qmail@web33302.mail.mud.yahoo.com> <274988B5-AE3C-4F97-A811-E9BC1F43A580@shire.net> <200604260705.23623.jhorne@dfwlp.com> Cc: freebsd-questions@freebsd.org Subject: Re: How to verify speed of a 1Gb/s network? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Apr 2006 12:31:37 -0000 On 4/26/06, Jonathan Horne wrote: > a few years back, i had a gigabit fiber switch, and 2 intel gigabit fiber > cards that i put in my 2 fastest computers (at the time, dual p3 1000 and > dual p3 933). they both had 10k rpm ultra160 SCSI drives. the fastest i > could get for continuous transfer (i made some gigantic zip files contain= ing > several .iso files) was about 250mbit. No wonder, really. I bet that hard drives were the bottleneck. Today 2-3 cheap SATA drives can easily saturate gigabit links. And if you enable jumbo frames, then CPU will be idle on large file transfers.