Gentoo Grub problem

**bmxface** · 09-01-2003

im trying to configure grub. and i get this error

Code:

grub> root &#40;hd0,0&#41; /dev/hdf1 
Filesystem type unknown, partition type 0x7

what does all that mean? whats going on here.and yes hdf1 IS my boot partition. i have a drive controller and thats what makes it hdf

please reply ASAP

**bpark** · 09-01-2003

Which hard drive and which partition is the boot partition? I only have one IDE drive on the second partition so (hd0,1) is the drive/partition that it resides on.

**Dillinger** · 09-01-2003

You set it up wrong. It should look like this:

Code:

grub> root &#40;hd5,0&#41;

You were telling it to install on the first partition of the first drive. Grub refers to hard drives in terms of numbers, starting with 0. So in your face /dev/hdf1 would be hd5,0.

**bmxface** · 09-01-2003

hmm alright.... but why is it 5,0? i thought it would be 1,0...

**Dolda2000** · 09-01-2003

The format is (hdx,y), where X is the number that the BIOS has assigned to the drive and y is the partition number. Both of these are zero-based.
The BIOS drive numbers often correspond to Linux's drive 'letters', ie. hda is hd0, hdb is hd1, and so on until hdf which is hd5.

**bmxface** · 09-01-2003

in that case, how come grub wrote it to hd1? wich in that case would be my burner :\

**bmxface** · 09-01-2003

that sentence sounded elementery school style :\ lol and it wrote without any errors too....

**Dolda2000** · 09-01-2003

Actually, I think that the BIOS might skip the CD-ROMs in the drive numbering. What drives do you have installed on each bus?

**bmxface** · 09-01-2003

i got cdrom on hda burner on hdb nothing on the secondary channel then i got a drive controller with 40 gig on hde and 80gig (linux) on hdf

**Dolda2000** · 09-02-2003

Then it probably is hd1, like you said. However, in your first post, you ran "root (hd0,0) /dev/hdf1". Try "root (hd1,0)" instead.

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