From owner-freebsd-questions@FreeBSD.ORG  Wed Jul 13 07:55:31 2005
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Date: Wed, 13 Jul 2005 00:54:49 -0700
From: Yuri <yuri@tsoft.com>
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Subject: why CDROM operations cause system to be slow and HD operations do
 not
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When I read something from CDROM my system gets visibly slow and HD 
reads/writes do not have the same effect.

I think they both should have similar effect on system performance since 
multiple requests should just wait till completion interrupt and other 
processes shouldn't be affected.


Yuri