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Date:      Wed, 31 Jul 2002 19:23:48 +0100
From:      "Lawrence Farr" <freebsd-hw@epcdirect.co.uk>
To:        "'Jan Beck'" <janb@cs.utep.edu>, <freebsd-hardware@FreeBSD.ORG>, <freebsd-questions@FreeBSD.ORG>
Subject:   RE: Harddisk damage by driver?
Message-ID:  <002501c238bf$69dceb30$c806a8c0@lfarr>
In-Reply-To: <000c01c238b3$91b0a6d0$0401a8c0@jan>

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I certainly have had drives killed by poor ventilation.
I went through drive after drive, got fed up, installed
decent cooling, and never lost another on that box.

Lawrence Farr
EPC Direct Limited 

> -----Original Message-----
> From: owner-freebsd-hardware@FreeBSD.ORG 
> [mailto:owner-freebsd-hardware@FreeBSD.ORG] On Behalf Of Jan Beck
> Sent: 31 July 2002 17:59
> To: freebsd-hardware@FreeBSD.ORG; freebsd-questions@FreeBSD.ORG
> Subject: Re: Harddisk damage by driver?
> 
> 
> That brings up a very good question. How many people have had 
> problems due
> to overheating?
> 
> I have had the very odd problem of having 2 IDE drives die 
> over the past
> month, most likely due to overheating, since it gets very hot 
> in my dual
> athlon system. These drives had very high usage at almost all 
> times. In my
> file server, however, the hard drives get VERY hot. So much 
> so, that you
> can't touch them without burning your hands. All the drives 
> in the file
> server have been running well over a year in those conditions 
> and I haven't
> had any problems with it. The server load itself is very 
> light, however.
> 
> I have heard of drives failig due to heat, but never due to 
> usage. But I can
> guarantee that the 7200 RPM drives in the file server are 
> much hotter than
> the drives in the workstations were.
> 
> Does usage have any bearing on drive life? It seems that the 
> cooling is not
> important as long as the usage load on the drives is fairly low...
> 
> Or have I just been really lucky?
> 
> JAn
> 
> 
> ----- Original Message -----
> From: "vizion communication" <vizion@ixpres.com>
> To: "Axel Simon" <A.Simon@ukc.ac.uk>; "Bakul Shah" 
> <bakul@bitblocks.com>
> Cc: <freebsd-hardware@FreeBSD.ORG>; <freebsd-questions@FreeBSD.ORG>
> Sent: Wednesday, July 31, 2002 9:39 AM
> Subject: Re: Harddisk damage by driver?
> 
> 
> > I would agree the problem is likely to be
> > electrical/mechanical and the most likely cause is
> > overheating. Your experience with the drive that came up
> > after some time does point to overheating.
> >
> > However you might want to rule out a mal-functioning power
> > supply unit which could cause similar symptoms. This is
> > unlikely but possible.
> >
> > David
> >
> > ----- Original Message -----
> > From: "Bakul Shah" <bakul@bitblocks.com>
> > To: "Axel Simon" <A.Simon@ukc.ac.uk>
> > Cc: <freebsd-hardware@FreeBSD.ORG>;
> > <freebsd-questions@FreeBSD.ORG>
> > Sent: Wednesday, July 31, 2002 8:27 AM
> > Subject: Re: Harddisk damage by driver?
> >
> >
> > > The fack that all the drives die makes me think may be
> > your
> > > puter is not properly ventilated and the hard disks get
> > very
> > > hot.  You may have had very bad luck with all the drives
> > but
> > > that is not very likely.  A bad cable would give you
> > > read/write errors but it won't make your disk make loud
> > > repetitive clicking noises!  A FreeBSD driver can not be
> > at
> > > fault either with modern IDE or SCSI drives.
> > >
> > > See if the disks get very hot and if so, see if keeping
> > the
> > > box open and pointing a big fan at the disks make the
> > errors
> > > go away.  If the heat is a problem, you can do a number of
> > > things to keep good air flow around disks.
> > >
> > > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > > with "unsubscribe freebsd-hardware" in the body of the
> > message
> > >
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-hardware" in the body of the message
> >
> 
> 
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