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Date:      Thu, 28 Feb 2008 14:39:35 +0000
From:      Chris <chrcoluk@gmail.com>
To:        "Krassimir Slavchev" <krassi@bulinfo.net>
Cc:        Jeremy Chadwick <koitsu@freebsd.org>, FreeBSD Stable <freebsd-stable@freebsd.org>
Subject:   Re: FreeBSD 7.0 Questions
Message-ID:  <3aaaa3a0802280639i5217bd64xe2c0e1a1a518e9d@mail.gmail.com>
In-Reply-To: <47C691F7.2080208@bulinfo.net>
References:  <42F1932C-6F6B-4077-8C15-294AA6CFB678@lafn.org> <20080228075647.GA33902@eos.sc1.parodius.com> <47C691F7.2080208@bulinfo.net>

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On 28/02/2008, Krassimir Slavchev <krassi@bulinfo.net> wrote:
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> Hash: SHA1
>
> 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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> _______________________________________________


Ahh thats useful, on the occasions I have remotely installed freebsd
over linux I have always failed due to incorrectly guessing the hd id
and as such a wrong fstab, if I know it will always be ad0 and ad1 and
so on it makes this much easier.

Chris



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