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From: Richard Scobie <richard@sauce.co.nz>
To: linux-raid@vger.kernel.org
Subject: Re: Hard drive lifetime: wear from spinning up or rebooting vs running
Date: Mon, 06 Feb 2006 17:35:52 +1300	[thread overview]
Message-ID: <43E6D228.2070804@sauce.co.nz> (raw)
In-Reply-To: <43E68D62.4080704@cogweb.net>

David Liontooth wrote:

> Temperature obviously matters -- a linear approximation might look like
> this,
> 
>      Lifetime = 60 - 12 [(t-40)/2.5]
> 
> where 60 is the average maximum lifetime, achieved at 40 degrees C and
> below, and lifetime decreases by a year for every 2.5 degree rise in
> temperature.  Does anyone have an actual formula?

This paper from Hitachi may be of some use for their drives:

http://www.hgst.com/hdd/technolo/drivetemp/drivetemp.htm

Regards,

Richard

  parent reply	other threads:[~2006-02-06  4:35 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-02  5:59 RAID 16? David Liontooth
2006-02-02  6:03 ` Neil Brown
2006-02-02  8:34 ` Gordon Henderson
2006-02-02 16:17 ` Matthias Urlichs
2006-02-02 16:28   ` Mattias Wadenstein
2006-02-02 16:54     ` Gordon Henderson
2006-02-02 20:24       ` Matthias Urlichs
2006-02-02 21:18       ` J. Ryan Earl
2006-02-02 21:29         ` Andy Smith
2006-02-02 22:38         ` Konstantin Olchanski
2006-02-03  2:31           ` Ross Vandegrift
2006-02-03  2:54         ` Bill Davidsen
2006-02-02 18:42   ` Mario 'BitKoenig' Holbe
2006-02-02 20:34     ` Matthias Urlichs
2006-02-03  0:20     ` Guy
2006-02-03  0:59       ` David Liontooth
2006-02-02 16:44 ` Mr. James W. Laferriere
2006-02-03  9:08   ` Lars Marowsky-Bree
2006-02-03  2:32 ` Bill Davidsen
2006-02-05 23:42   ` Hard drive lifetime: wear from spinning up or rebooting vs running David Liontooth
2006-02-06  3:57     ` Konstantin Olchanski
2006-02-06  5:25       ` Patrik Jonsson
2006-02-06  4:35     ` Richard Scobie [this message]
2006-02-06 10:09     ` Mattias Wadenstein
2006-02-06 16:45       ` David Liontooth
2006-02-06 17:12         ` Francois Barre
2006-02-07  8:44           ` Hans Kristian Rosbach
2006-02-07 19:18           ` Neil Bortnak
2006-02-06 19:22     ` Brad Dameron
2006-02-06 21:15     ` Dan Stromberg
2009-09-20 19:44   ` RAID 16? Matthias Urlichs

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