From owner-freebsd-questions@freebsd.org Mon Sep 18 18:54:52 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id ED7C4E25EC2 for ; Mon, 18 Sep 2017 18:54:52 +0000 (UTC) (envelope-from steve@sliderule.demon.co.uk) Received: from EUR02-HE1-obe.outbound.protection.outlook.com (mail-eopbgr10048.outbound.protection.outlook.com [40.107.1.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "Microsoft IT SSL SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8631076810 for ; Mon, 18 Sep 2017 18:54:48 +0000 (UTC) (envelope-from steve@sliderule.demon.co.uk) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=slideruledemononcasc.onmicrosoft.com; s=selector1-sliderule-demon-co-uk; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=87uKDhQhrh0EwZbJyO6yUmTBI5z7Ktreel9xGNOP2mY=; b=XR3rZSPuiUxpg9A3mAuqnDHW1SHZ+sWhj/sPfjkIBY+PbvUt1G6i0s1k51LoZQmcsFOZVzlZwVG9eXgPni+DCDPpik5sm5X80OV2ISH/gAgywfM+gzBgdkz0Po35tPBsQ62js3l4gAwo2uIp8AOsWprkzVkIwU1B5ZtKH3knMzo= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=steve@sliderule.demon.co.uk; Received: from [192.168.254.7] (80.177.21.188) by MM1P123MB1322.GBRP123.PROD.OUTLOOK.COM (10.166.219.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.56.11; Mon, 18 Sep 2017 18:54:45 +0000 Subject: Re: Disk not spinning up To: freebsd-questions@freebsd.org References: <20170917214321.8fd2157b.freebsd@edvax.de> <59BEDB12.2090600@gmail.com> From: Steve Burton Message-ID: Date: Mon, 18 Sep 2017 19:54:42 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <59BEDB12.2090600@gmail.com> Content-Language: en-GB X-Originating-IP: [80.177.21.188] X-ClientProxiedBy: DB6PR07CA0115.eurprd07.prod.outlook.com (10.175.238.157) To MM1P123MB1322.GBRP123.PROD.OUTLOOK.COM (10.166.219.144) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8b22f69f-da49-4094-239d-08d4fec6baab X-Microsoft-Antispam: UriScan:; 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charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Sep 2017 18:54:53 -0000 On 17/09/2017 21:29, Ernie Luzar wrote: > Polytropon wrote: >> This is more a hardware question than a FreeBSD question, but >> as FreeBSD is involved, I think it's worth being asked here >> due to the experienced, intelligent, creative and (in an >> entirely positive sense) "unusual" participants on this list. >> >> I have a harddisk Quantum Fireball with ca. 1 GB capacity >> (yes, that's GB, not TB). It's a (P)ATA / "IDE" disk with >> a 40 pin connector for a flat cable, configured as master. >> >> The disk has been in use in a system that I built around 1995 >> and which I occasionaly used over the years. The last system >> activation was yesterday. Today, the disk just didn't spin up >> again. >> >> After extracting the disk from the system and using my fine >> "forensics adaptor" to power it, it made short cranking sounds >> (ca. 1 per second) and short beeps from time to time, then went >> silent. I can repeat this. >> >> Now I probably did something stupid, but a radio amateur friend >> had success with this approach on a 40 MB disk (yes, that's MB, >> not GB). I _opened_ the disk (with gloves, face mask and cap, >> just to minimize the dust falling from my head into the disk) >> and saw the central motor "rotate" clockwise and counterclockwise >> for less than 1/4 rotation. I tried to "help" the disk spin up >> as you can imagine, but it would not do so. >> >> My question: >> >> Had anyone had success getting such a disk work again? Is it >> worth searching my "museum" for a replacement controller? Or >> does it look more like a motor failure than a controller failure? >> >> I can read the disk with my "forensics adapter" like this (tested >> with the other 1.2 GB disk from the same system): >> >>     $ sudo mount -t msdosfs -o ro /dev/da3s1 /mnt >> >> That's the FreeBSD-related part in this question. But of course, >> a disk not spinning up won't be recognized by the system. I'd like >> to at least access the disk once to copy as much as I can. >> >> Are there any ideas, options, chances, suggestions or experiments >> other than "throw it out of the window"? :-) >> >> >> > > The bearing the disk platters rotate on has lubricant that with usage > and time has dried out somewhat. Taping the top side of the drive on a > flat surface some times works. > > The best approach is to per-warn up the drive hardware before trying > to power it on. Put a bear light bulb or shine a flood light from a > close distance on to the metal covered side, IE; not the circuit board > side, until it gets almost to hot to touch. Then power it on and and > away you go almost every time this happens. > > Good luck. > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > . > You'll need more than luck if you're trying to take a light bulb from a bear:) Steve.