and thank you Fernando: it’s now working!
The configuration is:a multiboot Win7/Ubuntu 12.04 (alpha2) (anyway 11.10 is the same) deploying on a Dell Optiplex 960 Fog 0.32 (no cutomization)
The PC configuration is:
4 primary partitions sda1 and sda2 for Windows7, sda3 for swap, sda4 for linux (ext3)
The fog server configuration is 1 disk, multipartition, declaring as ostype linux
(declaring it as windows does not work)
The installations are a base Windows 7 installation, and a base Ubuntu installation
CHANGING TO GRUB-LEGACY: this was my problem: grub2 seems to be not working.
Now I’m writing some documentation, and then I’ll try to customize my Ubuntu and Windows
installation to fit my organization, but the base deploying infrastructure seems ok!
thank you again