Re: converting to grub from lilo [DrDos on hdc1 not booting]

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On Sun, May 23, 2004 at 11:29:51PM -0400, Joe(theWordy)Philbrook wrote:
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> 
> It would appear that on May 23, Mark Neidorff did say:
> 
> > In your lilo conf. you say that DrDOS is on /dev/hdc.  Wouldn't that 
> > correspond to hd2 in grub?
> 
> Yeah thats what Id have figured too. Until I looked at the numbers
> anaconda used to build my initial grub.conf.(since edited)
> 
> Here is what I have for the FC2 I'm using right now.
> 
> title theWanderlust (2.6.5-1.358)
>         root (hd1,3)
>         kernel /boot/vmlinuz-2.6.5-1.358 ro root=/dev/hdc4 rhgb quiet
>         initrd /boot/initrd-2.6.5-1.358.img
> 
> You may notice that it too is /dev/hdc*  AND hd1... Grub booted this...
> 
> But then perhaps it has something to do with /dev/hdb being my dvd-rom.
> Yet I wouldn't think it detects and discards the cd drives from it's
> numbering scheme. Therefore I suspect that it must be something like:
> 
> hda=1st master			hd0=1st master
> hdb=1st master's slave		hd1=2nd master
> hdc=2nd master			hd3=1st slave ?	
> hdd=2nd master's slave		hd4=2nd slave ?

No, hd* are harddisks as reported by BIOS.

So, you can have:
hd0: scsi hdd
hd1: 2nd slave hdd (with no hdd in other drives)

> If I'm right, it will get more confusing if/when computers have more
> than 2 primary ide ports as I think grub's notation will number ALL the
> master drives before any of the slaves...

Grub numbers all harddisk drives, in the order the BIOS reports them.

It doesn't care about master/slave, primary/secondary, etc.

Regards,
Luciano Rocha



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