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Date:      Tue, 13 May 1997 21:41:50 -0700
From:      "Jordan K. Hubbard" <jkh@time.cdrom.com>
To:        isp@freebsd.org
Subject:   ccd - pretty awesome!
Message-ID:  <13405.863584910@time.cdrom.com>

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OK, so maybe I'm the last guy on my block to try out ccd, but
now that I have I just wanted to say "WOW!"

I took two reasonably identical P6/200 machines, one with a single 4Gb
drive and another with 5 2Gb drives configured into a single CCD
volume (fast/wide Quantum drives in both cases).

I then built the world in -current from a standing start (no obj).  My
times:

	Single drive:	2:30
	CCD:		1:45

I'd say that's a fairly significant difference!

Removing large numbers of files also *flies* on the ccd array (both
single drive and ccd array mounted async) as do most other operations.
I'm impressed.

I dunno, but I'm going to have to review my strategy of buying large,
single drives now in light of this. ;-)

					Jordan



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