Vertical mounting of SCSI drives?

A. Lester Buck buck at siswat.UUCP
Wed Mar 14 13:12:06 AEST 1990


In article <292 at odicon.UUCP>, jlg at odicon.UUCP (John L. Grzesiak) writes:
< While the manual says ' No mounting restrictions ' and while this
< suggests that the drive will not malfunction in a vertical position,
< placing the drive in this manner will slow the seeks due to directly
< opposing gravity on the positioner. Also I can envision a day when
< you end up doing long seeks from high to low cylinders and have the
< arm hitting the zero stop with more force than usual. This position is
< not ideal from the standpoint of performance and reliability. 
< 
< John Grzesiak @ Omega Dynamics , Meriden Ct 
<   *** System ate signature - got indigestion - lost bandwidth - Amen ***

Your company may be Omega Dynamics, but your physics needs work.

Excercise for the reader: calculate the average acceleration of the
disk heads in a typical disk drive, say 1/3 stroke of 1" in 15ms.
Compare with the acceleration of gravity.

-- 
A. Lester Buck     buck at siswat.lonestar.org  ...!texbell!moray!siswat!buck



More information about the Comp.unix.i386 mailing list