hpt raid controllers

[Alessio Orlandi]

Hi all,
  well.. i'm experiencing problems with a highpoint hpt/372-based 
  IDE raid card.. just really really similar to 
  the one you can see at 
http://www.mail-archive.com/bug-grub%40gnu.org/msg06733.html
  Anyway. I have 2 disks in RAID-1 on this RocketRaid board. While
  having all the data on a single disk, GRUB worked perfectly because
  no RAID was active. As soon as I put the second disk and made
  the mirror GRUB stopped to work, even if the copy process terminated
  succesfully. I investigated a few..
  In a few words, GRUB installs itself in the mbr (first 512 bytes
  of the disk). Those RAID controllers changes the last 64 bytes of
  the mbr to store the mirror relationship informations.
  In fact, by booting with a grub floppy and issuing the
  "root (hd0,0)" and "setup (hd0)" commands, the disk came back to boot
  but the two disks got magically divided and the RAID-1 relationship 
  vanished.
  Is there any way to solve the problem?
  Regards,
                Alessio Orlandi