Re: [gentoo-user] Re: GRUB2 migration

[Alecks Gates <alecks.g@gmail.com>]

On Thu, Jul 5, 2012 at 7:18 PM, Dale <rdalek1967@gmail.com> wrote:
> Peter Humphrey wrote:
>>
>>> I'm waiting on new/more docs myself.  I want to know not only how to
>>> upgrade but how to fix if it pukes on my keyboard.  Hopefully other
>>> than chroot'in in and all.  I have a lot of partitions and they are
>>> on LVM right now.  That chroot'in is a pain in the butt.  Oh, LOTS
>>> of stuff in /usr too so it has to be mounted for you to fix grub.
>> I have what seems to be an unusual solution of that problem. Each of my
>> boxes has a small, bootable rescue system in its own partition, and of
>> course its own entry in grub.conf. Its fstab defines all the main-system
>> partitions so I only have to mount them. Chrooting is as painless as it
>> can be.
>>
>> Recently, since I've banished ~amd64 except in a few cases, I've only
>> used any of the rescue systems for backing up its main system to a USB
>> drive.
>>
>
> But if you try to boot and the grub menu doesn't come up at all, then
> what?  You can't select to boot anything including the rescue system.
>
> I want to be able to fix whatever happens. Grub has been good to me so
> far but I have had a time when after the BIOS was done, I got nothing,
> nothing at all.  That would be something I would want to know how to fix
> since I can't even boot to get help or search google.  If it isn't
> between my ears, I'm toast.  Right now, there is very little grub2
> between my ears.  Sometimes there is very little at all between my
> ears.  lol
>
> Dale
>
> :-)  :-)
>
> --
> I am only responsible for what I said ... Not for what you understood or how you interpreted my words!
>
>

I like to keep a copy of "Super Grub[2] Disk" around:

http://www.supergrubdisk.org/

Never heard of "rescatux" until now, but that looks interesting.