Re: Leaving Hard-drives on

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Article #1837

#1837

From: Tim Simmons
Date: Mon, 24 Jul 1989 21:42

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From article <Jul.23.19.59.42.1989.29681@galaxy.rutgers.edu>, by tantuico@andromeda.rutgers.edu.rutgers.edu (Samuel B Tantuico):
> 
> My friend says that it's better to leave a hard-drive on because
> it will cause less wear and tear.  Okay, but he's got an IBM-PC.
> Does the same hold true for a Macintosh?... internal and external?
> 
Yes! it is usually better to leave a hard drive on, it makes no
difference whether your system is an IBM a Mac or an Amiga,  the
drive technology is the same in all systems.

The reason this is true is because ~85% of the wear and tear on a
drive is caused by powering the drive on and off.  During this
process the read/write heads contact the recording media, thereby
causing wear on both the heads and the disc.

This assumes that you use your system every day.  If you only use
your system once a week or less you might be better off turning it
off each time, because the drive motor also has a life expectancy
(about 100,000 hours) leaving it on with such low use does not make
up for the extended motor usage.  But it would make up for it if
you use your system a lot.

-- 
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TIM SIMMONS   (408)434-2843
Unisys  Network  Computing Group - San Jose CA
tims@starfish.convergent.com

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!mailrus!ames!apple!voder!pyramid!ctnews!starfish!tims
From: tims@starfish.Convergent.COM (Tim Simmons)
Newsgroups: comp.sys.mac
Subject: Re: Leaving Hard-drives on
Message-ID: <1119@starfish.Convergent.COM>
Date: 24 Jul 89 21:42:27 GMT
References: <Jul.23.19.59.42.1989.29681@galaxy.rutgers.edu>
Organization: Convergent Technologies, San Jose, CA
Lines: 27

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