FreeBSD 7.0 Questions

[Chris]

On 28/02/2008, Krassimir Slavchev <krassi at bulinfo.net> wrote:
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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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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