>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 05/08/04, 13:53:04, Matt <spammers@are.bad.com> wrote regarding Question
on Ultra 450:


> Hi,
> I have aquired an Ultra 450 and am trying to make heads and tails out of
> something it is doing.

> It's setup like so:
> DRIVEBAY# - SCSI ID
> 0 - 3:0
> 1 - 3:1
> 2 - 3:2
> 3 - 3:3
> 4 - 0:0
> 5 - 0:1
> 6 - 0:2
> 7 - 0:3
> 8 - 1:0
> 9 - 1:1
> 10 - 1:2
> 11 - 1:3
> 12 - 4:0
> 13 - 4:1
> 14 - 4:2
> 15 - 4:3
> 16 - 5:0
> 17 - 5:1
> 18 - 5:2
> 19 - 5:3

> Now, when the system boots up it seems to install the operating system
> by default on drive 0 (3:0). Why? Why does it not go to drive bay 4
> which is 0:0? If I try to force a boot off of the drive in bay 4 with
> disk4 or disk (0,0,4) it fails to boot, if I fill in the full scsi path
> it says the device isn't found. If I do a show-devs bays 4 - 11 aren't
> found at all... until the system boots up... Any ideas?

All Sun machines boot from drive 0 (3:0) by default. AFAIK it an
historical thing.

Regards Ian Donaldson

Newtownards
Northern Ireland
ian@dsd-tech.net