Date: Tue, 29 Nov 2022 17:26:13 +0000 From: Dale Kline <DKline@safarimontage.com> To: FreeBSD User <freebsd@walstatt-de.de>, Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: Warner Losh <imp@bsdimp.com>, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: RE: CAM: extract HDD informations about failure/to fail? Message-ID: <CH2PR20MB306198282527B1487F2ADFB4C1129@CH2PR20MB3061.namprd20.prod.outlook.com> In-Reply-To: <20221129181030.25299ff0@thor.intern.walstatt.dynvpn.de> References: <20221127161544.7dd1207c@thor.intern.walstatt.dynvpn.de> <CANCZdfqZZ40tUAKHaXSp4PZFw9tzGveaAHc4irJ1QckcRwDCCg@mail.gmail.com> <202211272112.2ARLCnsk013242@critter.freebsd.dk> <20221129181030.25299ff0@thor.intern.walstatt.dynvpn.de>
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Any good auto mechanic knows this 'makeshift' stethoscope has been in use for many years. But this is a good idea for modern motors too... 😊 I always used a long screwdriver with the handle end to my ear. -----Original Message----- From: owner-freebsd-current@freebsd.org <owner-freebsd-current@freebsd.org> On Behalf Of FreeBSD User Sent: Tuesday, November 29, 2022 12:10 PM To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: Warner Losh <imp@bsdimp.com>; FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: CAM: extract HDD informations about failure/to fail? Am Sun, 27 Nov 2022 21:12:49 +0000 "Poul-Henning Kamp" <phk@phk.freebsd.dk> schrieb: > -------- > Warner Losh writes: > > > It close to impossible to isolate the drive making the noise. > > Use a long thin piece of hard wood as a stethoscope. > > I keep a 30cm length of 6mm beech dowel in my tool-chest, but in a > pinch you can use a pencil or the shaft from an art-brush. > > Press one end agaist the little piece of cartilage which can close > into your ear, and hold the other end against the suspect disk-drive, > and you hear if there are any mechanical issues. > > It also works for fans, motors, bikes etc. > Awesome! I'll try this nice idea. Thanks and kind regards, Oliver -- O. Hartmann
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