On Mon, Mar 17, 2003 at 12:39:35AM -0500, der Mouse wrote:
> 
> My memory, fuzzy though it may be, says that the (id<<3)+lun formula
> was used in the Sun-3 world, whereas with the Sun-4 they decided to
> stop bothering with LUNs.  (Though it occurs to me as I write this that
> they could have switched to (lun<<3)+id for all I know; it would be not
> much more code, would preserve the capability, and would gain the
> benefit they presumably wanted of having the ID readily visible in the
> common case of LUN=0.)
> 

Ah - this may be where I am muddying things.  I have only dealt with
suns starting with sun4c (SLC/ELC/IPC) - anything before that is not
something I have dealt with.

-- 
Brett Lymn