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Date: Fri, 23 Jan 2004 17:20:06 -0500
From: Lanny Baron <lnb@FreeBSDsystems.COM>
Organization: Freedom Technologies Corporation
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To: Julian Elischer <julian@elischer.org>
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cc: FreeBSD current users <current@FreeBSD.ORG>
Subject: Re: ata0-raid oddness.
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That is correct. ad0 and ad1 are subdisks of respective ar*

Regards,
Lanny

Julian Elischer wrote:

> 
> I just installed 5.2 on an AMD-64 based machine that has teh promise
> 319 ata-raid hardware (and the drives are attached to it).
> 
> the drives were set up as JBOD (Just a bunch of Disks)
> so that they appear a 2 virtual disks each mapped directly over a single 
> real disk..
> 
> teh intersting thing is that the real disks show up too..
> 
> so I have 2 names for each disk..
> ad0 and ar0 ar etyhe same disk
> and ar1 and ad1 are the same disk..
> 
> is this expected?
> 
> sysinstall presented me with all four drives as options even though
> there are only 2 in the machine...
> 
> ad0 [ ]
> ad1 [ ]
> ar0 [ ]
> ar1 [ ]
> 
> 
> See? 2 extra disks for free :-)
> 
> 
> Julian..
> 
> 
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-- 
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Lanny Baron
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