Okay, let me make this really clear. My BIOS doesn't tell me which
drive is which, and the BIOS of the 3ware card doesn't tell me what
number the drive is going to be labeled either.
I need some command I can run from the freebsd CD to tell me what
freebsd observes.
Like I mentioned before, lsdev only showed me a single drive.
On Jan 12, 2007, at 9:16 AM, John Baldwin wrote:
On Friday 12 January 2007 10:56, Jo Rhett wrote:
John Baldwin wrote:
A BIOS driver number is the number you pass to the BIOS to access
a drive.
Typically drive 0x0 is a floppy drive and hard drives start at 0x80.
Usually the SCSI BIOS will list the BIOS driver number during the
POST
messages and it will look like 80, 81, etc. There is no standard
way
as it is at the BIOS' discretion.
How do I determine this? It doesn't list them during boot.
To some extent you are at the mercy of your BIOS writers, yes it
sucks, and
this why I like things like EFI and OpenFirmware over BIOS.
Say I boot off the CD, is there any commands I can use to
determine what
the BIOS numbers are? They are da0 and da1 to freebsd.
You can try using 'lsdev' in the loader from the CD. If a disk is
called A:
in the loader printfs it's drive 0, if it's C: it's drive 0x80, D:
drive 0x81
(the drive letters may only be mentinoed in the printfs at teh
start of the
loader and not in lsdev, can't recall).
To answer your question: you need to first make sure your SCSI
BIOS is
registering your second disk with the BIOS. Assuming it's mapped as
drive 81, you can then use '1:da(1,a)'. If it shows up as drive
82, then
use 2:da(1,a)', etc.
How does one do so?
It would have to be in your SCSI adapter's BIOS. They tend to have
a BIOS
setup you can enter during boot before the OS loads and you would
have to
poke around in there.
--
John Baldwin
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--
Jo Rhett
senior geek
Silicon Valley Colocation
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