RE: CAM: extract HDD informations about failure/to fail?

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