From owner-freebsd-questions@FreeBSD.ORG Thu Sep 20 00:47:08 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 63BE916A417 for ; Thu, 20 Sep 2007 00:47:08 +0000 (UTC) (envelope-from jekillen@prodigy.net) Received: from smtp108.sbc.mail.mud.yahoo.com (smtp108.sbc.mail.mud.yahoo.com [68.142.198.207]) by mx1.freebsd.org (Postfix) with SMTP id 19C4713C46E for ; Thu, 20 Sep 2007 00:47:07 +0000 (UTC) (envelope-from jekillen@prodigy.net) Received: (qmail 46708 invoked from network); 20 Sep 2007 00:47:07 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=prodigy.net; h=Received:X-YMail-OSG:Mime-Version:Content-Transfer-Encoding:Message-Id:Content-Type:To:From:Subject:Date:X-Mailer; b=HnehSVwqCk6AErWpZjtU1RoC8Qo3PwNrztQzDsuIMhZA9NyRNe4qkPHBHhv+qC98OJHH8UZSc7r67RtMg6E182Lleqy5PfLLY32/Ey6f8gGVrPZcok/esPGocy7/Es8Q4tv17Ww+nw4Rfn9bysuFkykisX8QBaH/RXk1GX9Yp/4= ; Received: from unknown (HELO ?75.7.236.228?) (jekillen@prodigy.net@75.7.236.228 with plain) by smtp108.sbc.mail.mud.yahoo.com with SMTP; 20 Sep 2007 00:47:06 -0000 X-YMail-OSG: v2R1.1AVM1mBibwSCb71VzodnEtMzmpW6MC9hAETacqVaAYGZ92qb5zE.Vdl2fAHMvIGONX1DQ-- Mime-Version: 1.0 (Apple Message framework v622) Content-Transfer-Encoding: 7bit Message-Id: <7f28909c2f575ccd98796e2af18d4e05@prodigy.net> Content-Type: text/plain; charset=US-ASCII; format=flowed To: FreeBSD Mailing List From: jekillen Date: Wed, 19 Sep 2007 17:47:19 -0700 X-Mailer: Apple Mail (2.622) Subject: Hard drive RPM 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: Thu, 20 Sep 2007 00:47:08 -0000 Hello; Is there a utility for measuring the effective RPM of a hard disk? A software tackometer? I have IDE drives, SATA drives, both 7200 and 10,000 RPM, as well as SCSI disks that are supposed to be running at 15k RPM. I noticed that on the hard drive labels, those on the disk case itself do not specifically indicate what speed they are supposed to operate at. The two 10k SATA drives only had labels on the antistatic packaging indicating that they are 10k drives. I would like to verify the speeds of these drives. I am hoping that this is not a case of misrepresentations that I have found on network attached hard disk storage devices and Firewire drives. I have one that was expressly advertised on the package to be 120 Gb capacity, and in fact only 111Gb are available for storage. That is a 9 Gb discrepancy. A Fire wire drive I have is also designated as 120 Gb and actually only has 117 Gb usable capacity. Like 9Gb is enough for several operating systems. 3Gb is even enough for an operating system. Can anyone shed some light on this? (Storage device labeling, and specifically, RPM specs) I would ask the manufacturers but would be suspicious of bias responses. That is what I got from one of them already. Thanks in advance for responses. The hard drives in question are running on FreeBSD systems on homebuilt hardware. All AMD64 processors, ECS, Gigabyte, and ASUS motherboards, Hard drives are Western Digital IDE, SATA, and Seagate SCSI drives. Jeff K