Re: [gentoo-user] Re: Grub1: Cant ? Re: keeping grub 1

[Mick <michaelkintzios@gmail.com>]

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On Thursday 27 Aug 2015 21:03:19 Fernando Rodriguez wrote:
> On Thursday, August 27, 2015 8:44:07 PM Mick wrote:
> > On Thursday 27 Aug 2015 20:30:17 Grant Edwards wrote:
> > > On 2015-08-27, James <wireless@tampabay.rr.com> wrote:
> > > > Grant Edwards <grant.b.edwards <at> gmail.com> writes:
> > > >> For those of us with multiple Linux installations on a disk, that's
> > > >> a pretty big reason to stick with grub-legacy.
> > > > 
> > > > So you are saying (trying to read the 'tea leaves' here) that
> > > > grub legacy ( grub-static-0.97-r12) will work  well on a 64 bit
> > > > systems,
> > > 
> > > I still use it on all my 64-bit machines.
> > > 
> > > > (u)efi with say multiple drives (> 2T) and Raid-1 configs like
> > > > btrfs-native or via lvm?
> > > 
> > > I haven't started using UEFI boot mode mode yet, so I don't know how
> > > thetwo grub's compare.
> > 
> > UEFI do not need GRUB{1,2} or any other boot manager.  They can boot any
> > kernel you drop in the EFI boot partition directly, as long as you set it
> > up so.  It becomes cumbersome if you are planning to multiboot various
> > kernels
> 
> &
> 
> > OS frequently.
> 
> You do need a manager like efibootmgr unless you have a really good "bios"
> menu where you can manage your entries. Only removable media is
> autodetected on all EFI boxes I've seen. I use GRUB2 because my efi
> firmware (like most) is really buggy. Changing the boot order doesn't work
> at all (neither on the menu nor through efibootmgr), so I have to delete
> and recreate the entries in the right order. What I did is create 2 efi
> entries, one for my main kernel and one for grub2 and I added entries for
> all my secondary kernels and windows on the grub2 menu.

Interesting ... here I had no such problems on an EUFI Asus MoBo.  I have a 
number of kernels (up to six last time I looked) and I can change the boot 
order with 'efibootmgr -o <numberA>,<numberB>,...,<numberZ>'

-- 
Regards,
Mick

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