Subject: Re: disk label support?
To: Wayne Knowles <wdk@netbsd.org>
From: David Brownlee <abs@netbsd.org>
List: port-sgimips
Date: 09/25/2001 00:06:24
On Mon, 24 Sep 2001, Wayne Knowles wrote:
> On Sun, 23 Sep 2001, Hubert Feyrer wrote:
>
> > after:
> >
> > 16 partitions:
> > # size offset fstype [fsize bsize cpg/sgs]
> > a: 17676630 3753 4.2BSD 1024 8192 16 # (Cyl. 3 - 14132)
> > b: 261459 17680383 swap # (Cyl. 14133 - 14341)
> > c: 17941842 0 unknown # (Cyl. 0 - 14341)
> > d: 3753 0 unknown # (Cyl. 0 - 2)
> >
> >
> > What exactly is in that volume header on partition 'd'?
> > Can it be overwritten, or should that better not happen?
> > If not, maybe we should make 'd' be from sector 0 to the end,
> > and 'c' be from sector 3753 (is this a fixed number?) to then end?
> > That'd probably even more conforming with the i386 port then.
>
> The 'd' partition contains the 2nd stage bootstrap known as SASH (for
> Standalone Shell). If you want to boot Irix on your machine you need that
> partition.
>
> Given the sgimips port has gone for 16 partitions in the disklabel, can we
> not choose to use the 1:1 mapping and leave it in slice 8?? Unfortunately
> there is no NetBSD filsystem type that accurately describes the contents,
> hence it is made Unknown.
>
Would it make sense to add some new filesystem types to rectify
thaat? :)
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