Re: chainloader +1, again

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On Monday 22 March 2010, Michael Schwendt wrote:
>On Mon, 22 Mar 2010 11:28:46 -0400, Gene wrote:
>> >> So I booted normally to F10 & kernel 2.6.34-rc2, and I have now tried
>> >> to add a chainloader stanza to my grub.conf here on /dev/sda1 that
>> >> will cause it to reload grub from /dev/sdb1.
>> >>
>> >> Is anything missing?
>> >
>> >Two things. Confirmation that there really is a GRUB in /dev/sdb1's boot
>> >sector and not in /dev/sdb's MBR. And you forgot to show what you added
>> >to your F10's grub.conf.
>>
>> 1. I told it to put it in the MBR.
>
>That would be /dev/sdb = (hd1) and not /dev/sdb1 = (hd1,0).
>
>>  The string 'GRUB' exists in the MBR, but
>> there was a grub 2 install there prior from a mint8 install.
>>
>> 2.:
>> #26
>> title   Fedora 12 64 bit from sdb by chainloading
>>         rootnoverify (hd1,0)
>>         makeactive
>>         chainloader +1
>
>The comment is wrong. It tries to chainload /dev/sdb1 not the MBR.
>The "makeactive" or "makeactive 1" typically is not necessary.
>
>Do you see (hd1) in your F10's /boot/grub/device.map?
>And what does /boot/grub/device.map on /dev/sdb1 contain?
>
I played with that some on the f12 disk, and yes, f10's device map is in 
order, all bootable disks are listed in sata jack order, skipping the 
Terrabyte drive I use for amanda.


Thanks Michael.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)

"Anyone who is capable of getting themselves made President 
should on no account be allowed to do the job." 

- Some wisdom from The Book. 
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