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SubjectRe: support for drives larger than 2TiB
On Sat, 24 Jul 2010, Greg Freemyer wrote:
> Secondly, if you look at the table on the right of
> http://en.wikipedia.org/wiki/Master_boot_record#Disk_partitioning you
> see that the starting sector of a partition is defined with a 32-bit
> value.
>
> ie. 2TB with 512 byte sectors.
>
> The normal solution is to move to a GPT which requires EFI if you want
> to boot from it.

Can't one have a GPT with a guard boot sector which can read the real
partition table?

I think Tejun must mean some big problem at the BIOS APIs required for the
bootloader. Tejun, what exactly croaks at the 2TB boundary (with 512KiB
sectors)?

--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh


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