Subject: Re: 1.4.1, APM, SCSI disk spin down how?
To: Eduardo Horvath <>
From: Ken Hornstein <>
List: current-users
Date: 07/26/2000 14:20:40
(This isn't really port-i386 related anymore ...)

>Newer models have sense pages that contain both the number of spinups to
>data and the estimated maximum number of spinups.  That way you are
>supposed to be able to detect an aging disk and leave it alone.  

I'm curious ... does anyone know what are some typical "maximum spinups"

>But realistically, if you really want to do power management on any sort
>of disk drive you should have backups/mirroring and be prepared to replace
>it after a while.

I'm wondering if anyone has any hard data on this.  I hear a lot of
conjecture, but nothing definitive.  I haven't experienced any problems
yet on my laptop, but I fully realize this is only one datapoint.