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Date:      Sat, 24 Aug 1996 17:27:22 -0500 (CDT)
From:      Jason Garman <>
To:        Randy <>
Subject:   Re: configuring ccd devices
Message-ID:  <>
In-Reply-To: <>

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On Sat, 24 Aug 1996, Randy wrote:

> Greetings, 
>     I seem to be having difficulty understanding how to create ccd
> devices and get them up and running.  The man pages (ccd and 
> ccdconfig) have failed to help me get it to work. ( I think there is a 
> bit of required knowlege it's assumed I have, that I don't yet posess.
> Don't you just hate newbies??  :)  )  I'm trying to ccdconfig 2 Conner
> 80M IDE drives to get a feel for how this works.  If I wreck anything, 
Honestly, I don't know how to do ccd myself.  But ccd'ing two ide drives 
isn't going to get you any increase in bandwidth or transaction times.  
Why?  Cause ide is broken and won't allow concurrent operations over two 
drives on a chain.  Which, btw, really sucks, when a cdrom and a fast hd 
are on the same chain so when the cdrom is taking a long time completing 
an operation (especially evident when it has a read error), i/o to your 
hd is completely blocked.  Blech.

If you want to do ccd in any useful form, SCSI is the only way to go.

Jason Garman                   
Student, Eleanor Roosevelt High School       

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