Re: FreeBSD 7.0 Questions

On 28/02/2008, Krassimir Slavchev <krassi@xxxxxxxxxxx> 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
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