[Bug 880324] [NEW] Ubuntu installer and Intel RAID - Always fails to install GRUB

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Intel Rapid Storage Technology RAID-0 array on MSI GX660R
Ubuntu 11.10

When I select for Ubuntu to be installed to the RAID array and GRUB to
be installed to /dev/mapper/(root of the RAID array) which is the first
option on the list, everything goes well up to the grub-install stage
where I get an error saying "Failed to install GRUB to /dev/sda". There
is no /dev/sda, so GRUB should not try to put itself there. On the next
menu, if you tell it the correct place to install, it just produces
another error (though this time with the correct place name) and the
installer quits, giving the "Installation is complete. You need to
res..." message. However, the disk light still goes and the loading
mouse icon is still there, so I imagine the installer is doing something
despite appearing to quit.

GRUB can be installed manually from the Live CD but it's a pain and it's
difficult for many users.

** Affects: grub (Ubuntu)
     Importance: Undecided
         Status: New

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Ubuntu installer and Intel RAID - Always fails to install GRUB
https://bugs.launchpad.net/bugs/880324
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