grub guessed BIOS disk order incorrectly

Bug #28892 reported by Matthias Klose on 2006-01-18
Affects Status Importance Assigned to Milestone
grub (Ubuntu)

Bug Description

unsure, if that is a grub only thing.

installing on a system which does have one IDE disk and a 3ware controller (showing up as a scsi drive), the BIOS is configured to boot from the 3ware controller, however during setup the installer treats the IDE drive as the primary disk, and then writing the grub installer to the wrong disk (it doesn't say at all, which disk, just "first disk").
same happens when attaching a sata disk, but keeping the 3ware disk as the primary disk to boot from in the BIOS
(first part of the bug)

after finishing the installation (manually installing grub on the scsi drive), I want to change the drive mapping, editing grub/, then editing menu.lst (changing the (hd1,0) entries to (hd0,0), then running update-grub, which just reverts the change in menu.lst. (second part of the bug)

Eduardo Cereto (dudus) wrote :

Same here. It seems that disabling the ide drive and restoring grub takes care of this. Than after that just plug the ide drive back.

Dapper Flight 6 here

Eduardo Cereto (dudus) wrote :

actually this is an old 4 digit bug:

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