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Date:      Thu, 28 Feb 2008 12:50:31 +0200
From:      Krassimir Slavchev <krassi@bulinfo.net>
To:        Jeremy Chadwick <koitsu@freebsd.org>
Cc:        FreeBSD Stable <freebsd-stable@freebsd.org>
Subject:   Re: FreeBSD 7.0 Questions
Message-ID:  <47C691F7.2080208@bulinfo.net>
In-Reply-To: <20080228075647.GA33902@eos.sc1.parodius.com>
References:  <42F1932C-6F6B-4077-8C15-294AA6CFB678@lafn.org> <20080228075647.GA33902@eos.sc1.parodius.com>

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Jeremy Chadwick wrote:
> On Wed, Feb 27, 2008 at 11:15:30PM -0800, Doug Hardie wrote:
>> I have just installed 7.0 on some new hardware.  Have never tried earlier 
>> versions.  There are a couple of unexpected items that I do not understand.
>>
>> 2.  I have 2 SATA drives in the system.  The first is recognized as ad10 
>> and the second as ad12.  I expected to see ad0 and ad1.
> 
> You shouldn't "expect" this in any way shape or form.  The device
> numbers are not consistent, and are known to change depending upon lots
> of reasons (AHCI disabled/enabled, another ATA controller in place, SATA
> in "compatible" mode or "enhanced" mode, etc. etc.).
> 
> Thus, never expect the adX devices to "start with 0".
> 

If you want adX devices to "start with 0" just remove 'options
ATA_STATIC_ID' from the kernel config file but be very carefully if you
change hardware!

Best Regards


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