Re: 2.5 'what to expect'

From: Martin Hermanowski (martin@mh57.de)
Date: Wed Jul 16 2003 - 12:53:28 EST


On Wed, Jul 16, 2003 at 10:07:20AM -0700, Mike Fedyk wrote:
> On Wed, Jul 16, 2003 at 02:16:11PM +1000, Peter Chubb wrote:
> > >>>>> "Andries" == Andries Brouwer <aebr@win.tue.nl> writes:
> >
> > Andries> On Mon, Jul 14, 2003 at 05:03:31PM -0700, Mike Fedyk wrote:
> > >> So, will the DOS partition make it up to 2TB? If so, then we won't
> > >> have a problem until we have larger than 2TB drives
> >
> > Andries> Yes, DOS partition table works up to 2^32 sectors, and with
> > Andries> 2^9-byte sectors that is 2 TiB.
> >
> > Andries> People are encountering that limit already. We need something
> > Andries> better, either use some existing scheme, or invent something.
> >
> > We had this discussion before, back when I first submitted the large
> > block device patches. The consensus then was to use EFI, or LDM.
> >
> > Unless the BIOS supports a partitioning scheme, you're not
> > going to be able to boot anyway, or at least not without doing
> > something clever.
>
> The bios shouldn't even know about partition tables. It just loads the code
> in the MBR, and the boot loader deals with the rest from there.

There are some bios variants that refuse to boot if the hard disk has no
partition with the boot-flag set.

LLAP, Martin



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