*BSD News Article 90436


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From: Mikhail A. Sokolov <mishania@sinbin.demos.su>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Max speed with ccd
Date: 6 Mar 1997 11:55:36 GMT
Organization: Demos Company, Ltd.
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Message-ID: <5fmbbo$lnt$2@news.demos.su>
References: <3315921C.41C6@inferno.phys.tue.nl> <ASAMI.97Feb28015244@vader.vader.cs.berkeley.edu>
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In comp.unix.bsd.freebsd.misc Satoshi Asami <asami@vader.cs.berkeley.edu> wrote:
# In article <3315921C.41C6@inferno.phys.tue.nl>
#  * for my data to diskspeed Increasement. I am interested in writing 30Mb/s
#  * to disk from a framegrabber. Any chance this can be done with ccd an a
#  * nice framegrabber?
# Don't know about the framegrabber part, but I've seen 27MB/s or so
# writing to 6 F/W SCSI disks (on 3 strings) with 512 interleave on a
# P6-200.

well, it is possible to achieve 36mb/s on 4x9gb uw seagate barracuda's, 
on different channels and controllers (i.e. 1 disk per channel on 2 3940's),
ppro-200 also. dunno what about framegrabber, but i somehow suppose the speed
will depend not only from the disks speed.

# Satoshi

-mishania