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Re: A couple of things I noticed



On Fri, Sep 17, 1999 at 05:14:21PM +0200, Jakub Jelinek wrote:
> > > Booting from CD has been supported on Sun systems at least since the
> > > sun4c (classic) came out.  The drive presents itself as a plain
> > > 512-byte block SCSI device.  Solaris CD install images simply have a
> > > SysV bootlabel and UFS filesystems on them (UFS on a CLV device is
> > > slow, in case you were wondering).
> > 
> > We realize that, but having out bootdisks as UFS isn't feasible, we have to
> > use the iso9660 format along with rockridge extensions and El Torito for
> > booting.
> > 
> > Although, I wonder if the SPARC bootable CD's could be an ext2 image, although
> > I'm unsure about the boot label, unless it likes SILO.
> 
> SPARC PROM just loads first 8K from the media (no matter if it is disk, CD
> or whatever) and executes it (well, only last 7.5K from it and even that
> after stripping a.out header).
> The rest is upon the boot loader.
> SILO used a hack so that it could load files from the CD but I've posted a
> few minutes ago a call for testers for the new SILO version which
> understands iso9660 and RR natively.
> But both with old SILO and current SILO you can read any image from the CD
> into the core.

Great, I just saw that post. Unfortunatly I don't have a CDR quite yet. Maybe
I can snag the one at work :)

Thanks,
  Ben


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