working magnetic drum stores?

From: Paul Koning <pkoning_at_equallogic.com>
Date: Thu Apr 1 08:39:40 2004

>>>>> "Tony" == Tony Duell <ard_at_p850ug1.demon.co.uk> writes:

>> Drives like the RK05 retract the heads as part of spindown, so the
>> heads never land on the platter. They only load when the disk is
>> up to speed.

 Tony> You hope... If the power fails and your NiCd pack isn't any
 Tony> good, then the heads will land on the platter with nasty
 Tony> results...

NiCd? You must be thinking of the big capacitors (not batteries) that
do the emergency head retract in the event of powerfail.

 Tony> Anyway, the 'ting' when the heads load on an RK05 is claimed to
 Tony> be the heads bouncing off the platter, so they may well touch
 Tony> for an instant.

I rather doubt that. The sound is no different from the "ting" sound
you hear when the head actuator seeks.

    paul
Received on Thu Apr 01 2004 - 08:39:40 BST