Re: Help-grub Digest, Vol 23, Issue 5

[Michael Evans]

On Fri, Dec 18, 2009 at 10:40 AM,  <address@hidden> wrote:
>
> Hi Bill,
>
> Each Linux install partitions has /boot and /boot/grub of their own.
> I do not have a separate boot partition.
>
> I had replaced "root" commands in all my boot stanzas with "uuid" lines 
> because with disks added/removed "root (hdm,n)" spec becomes a moving target, 
> and boot process often fails.
>
> I always thought that in line e.g. "kernel /boot/vmlinuz-2.6.24-24-generic", 
> the path is relative to the device declared as root either by a "root 
> (hdm,n)" line, or by a "uuid ...." line.
>
> Am I wrong? If so what is the right way of specifying my kernel/initrd lines?
>
> Thanks.
>
> -----Original message-----
>> Date: Thu, 17 Dec 2009 14:29:22 -0500
>> From: Bill Marcum <address@hidden>
>> Subject: Re: Two GRUB setup can boot one each of two installs, but not
>>       the other, why?
>> To: address@hidden
>> Cc: address@hidden
>> Message-ID: <address@hidden>
>> Content-Type: text/plain; charset=us-ascii
>>
>> On Thu, Dec 17, 2009 at 08:27:50AM -0500, address@hidden wrote:
>> >
>> > Hi,
>> >
> [my info removed, for brevity]
>> >
>> Does each have its own /boot directory, or do you have a /boot partition?
>> If they are separate directories, I think each grub is looking for the
>> kernel and initrd.img files in its own /boot directory.
>> I notice that each stanza has "root hd(....)" commented out.
>>
>>
>>
>
>
>
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>

I believe whenever you see a filename loaded by grub (kernel or initrd
for example) that it's relative to the hd(n,p) you've specified.  I do
not believe that grub (but possibly grub2 does, I've not read enough
about it to know for sure) understands uuids; merely the software it
loads may.