Subject: Re: switching to MI SCSI
To: matthew green <mrg@eterna.com.au>
From: Simon Burge <simonb@wasabisystems.com>
List: port-pmax
Date: 01/02/2001 22:49:27
matthew green wrote:

>     + Ultrix compat disklabel support.
>         I don't have any Ultrix disks any more (except maybe for an
>         old RZ58 or two with stiction).  Just from code inspection, it
>         looks like the pmax readdisklabel() is still called in the right
>         places...
> 
> readdisklabel() is properly called from the 'sd' driver, else sun disklabel
> support would not work there.

Cool.

>     + miniroot installation support.
>         Does anyone use miniroot's for installing anymore?  One (untested)
>         idea is to deliberately botch the disklabel checksum so that disk
>         drivers don't see a valid label and partition table.
> 
> i don't get what the issue here is?

At the moment, the miniroot has a 32MB filesystem, complete with a valid
disklabel for a 32MB disk.  This overrides the real disk size.  Look for
"install diskimag" in sys/arch/pmax/dev/rz.c.

Simon.
--
Simon Burge                            <simonb@wasabisystems.com>
NetBSD CDs, Support and Service:    http://www.wasabisystems.com/