Re: How to predict drive number change for 7.3->8.1 upgrade?

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Michael Sperber wrote:
>
> Oliver Fromme<[e-mail]>  writes:
>
>> Michael Sperber<[e-mail]>  wrote:
>>   >  I just upgraded my desktop system from 7.3 to 8.1, and the main h=
ard
>>   >  drive, which was /dev/ad6 before is now /dev/ad10.  Consequently,=
 the
>>   >  initial boot failed when trying to mount the root file system fro=
m ad6.
>>   >
>>   >  The desktop system is now fixed, but I also have a rented server =
with
>>   >  only a serial console, and I worry that the upgrade is going to l=
eave me
>>   >  with a dead machine.  Is there any way to predict how the drive n=
umber
>>   >  changes?  (Why does it change at all?)  If so, what's the proper =
way to
>>   >  tell the system the initial root device *before* rebooting?
>>
>> Remove "options ATA_STATIC_ID" from your kernel config
>> before building the new kernel and rebooting.  Then your
>> first disk will be ad0, no matter what controller and
>> channel it is connected to.  Be sure to update your
>> /etc/fstab file.
>
> Ah, excellent - that's what I was looking for.  Thanks!
>
beware of drago^Wchanging of adX numbers each time you add/remove drive=20
;) It's better to label filesystems, imho ;)

--=20
SY, Marat


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