Maxim Vexler wrote:

>I think that the claim of "Windows unable to boot from logical
>partition" is half true.
>As I have written, I did managed to install and boot windows from a
>logical partition but the windows boot loader (ntldr) had to be on a
>physical partition.
>
>That leades me to this idea : What do you think about creating a
>virtule drive, where there will be only 1 partition with the windows
>bootloader, those fooling ntldr to make it think it boots from hdx1.
>To create this I would repeat the steps I've made in the process of
>installation windows, but now insted of dumb copying from hda1 to hda5
>(thank you for teaching me about the fact the these files are block
>mapped) I would dd the whole partition to the virtual drive.
>
>The whole question is : Is it possible to mount the virtule drive and
>point grub to boot from it?
>
>Thank you for helping.
>  
>

I'm not quite sure what you mean by a 'virtual drive'...please explain.

I don't know if windows does the block mapping in 'absolute' sectors
from the start of the disk, or in relative sectors from the start of the
partition.  My guess is that it is in absolute sectors from the start of
the disk, and if so the 'dd' trick would only help you in copying a
partition from one disk to another at the same start ing sector.

I still think your best bet is to install windows into a primary
partition, and let Linux be installed in the logical partitions (or LVM
volumes).

-Richard

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