[4115] in linux-scsi channel archive
Re: Question {about 2940UW spindown}
daemon@ATHENA.MIT.EDU (Jeffrey B. Siegal)
Fri Jun 12 03:21:14 1998
Date: Fri, 12 Jun 1998 00:19:00 -0700
From: "Jeffrey B. Siegal" <jbs@quiotix.com>
To: Kevin Chu <kevin@portal.ca>
CC: linux-scsi@vger.rutgers.edu
Kevin Chu wrote:
> I know that hdparm is for IDE. My question was regarding the wear and
> tear associated with stopping and starting disks, and its effect on
> the life and reliability of the disks.
>
> I keep thinking that the next time I turn my computer off, my hard
> disks will be nothing but metal cases full of powder.
In email someone quoted a number of 40K-80K rated cycles for most disks, and
that's consistent with what I recall from various spec sheets.
If you spin down and spin up the disk once per day, that's 50-100 years.
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