SCSI disk spin-down question

From: Paul Koning <pkoning_at_equallogic.com>
Date: Wed Apr 28 10:09:23 2004

>>>>> "Jules" == Jules Richardson <julesrichardsonuk_at_yahoo.co.uk> writes:

 Jules> Not sure if this it OT or not! Anyone know if all SCSI disks
 Jules> support spin-down under software control? Is it a SCSI-1 and
 Jules> above thing, SCSI-2 and above, or something which is only
 Jules> implemented by some manufacturers? (Or maybe it only applies
 Jules> to modern disks with an SCA infterface even?)

It's in my SCSI-2 spec. So it's a standard command there ("Start/stop
unit"). Don't know if it was in SCSI-1. It's marked Optional, so
disks don't have to implement it. My impression is that they usually
do, though.

    paul
Received on Wed Apr 28 2004 - 10:09:23 BST