Re: [gentoo-user] grub on a SATA drive

[Petr Kocmid <Petr.Kocmid@project-bhairava.org>]

On Thursday 24 of November 2005 17:31, maxim wexler wrote:

> But what do I call it? hd0 and hd1 are taken.

It may well depend on your chipset configuration, number of actually connected 
drives and bios boot settings. On my board, there are 2 PATA and 1 SATA 
channels on the same controller. In linux kernel, PATA is hda and hdb, SATA 
is hdc, no matter what drives are actually connected. When i migrated my 
installation from PATA hda to SATA hdc, grub detected hda as hd0 and hdc as 
hd1 before, but once I removed parallel drive, SATA become hd0 in grub (but 
still hdc in linux), since it is first (boot) bios drive. So I needed to fix 
grub config to hd0 and change a root= kernel parameter to hdc, since grub 
insists hd0 should be hda even if there is no drive connected on PATA:

root (hd0,0)
kernel /boot/bzImage-2.6.10 root=/dev/hdc1

Also, I did grub setup on SATA MBS from booted grub shell, not in linux, 
because what it sees is what it gets then.

Hope this may help you.

-- 
Petr
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