fedup 18->19 and GRUB upgrade several seconds

[Dave Mitchell]

On Sun, Dec 08, 2013 at 10:42:19AM -0700, Chris Murphy wrote:
> 
> On Dec 8, 2013, at 3:56 AM, Dave Mitchell <davem at iabyn.com> wrote:
> 
> > On Sat, Nov 23, 2013 at 04:35:28PM +0000, Dave Mitchell wrote:
> >> I'm currently preparing to fedup an F18 system to F19, looking at these
> >> instructions:
> >> 
> >> http://docs.fedoraproject.org/en-US/Fedora/19/html/Installation_Guide/ch18s02.html
> >> 
> >> The bit about updating the GRUB bootloader has got gotten me confused.
> >> My system is a newish x86_64 laptop, with F18 as the only thing on it,
> >> installed from scratch (no upgrades etc).
> >> 
> >> The instructions say to look in  /var/log/anaconda/anaconda.program.log
> >> where you'll find a command similar to
> >> 
> >>    efibootmgr -c -w -L Fedora -d /dev/sdX -p Y -l \EFI\redhat\grub.efi
> >> 
> >> then later on, run
> >> 
> >>    efibootmgr -c -w -L Fedora -d /dev/sdX -p Y -l '\EFI\fedora\grubx64.efi' -b bootnumber
> >> 
> >> Now, the command I see in the anaconda log is in fact:
> >> 
> >>    efibootmgr -c -w -L Fedora -d /dev/sda -p 1 -l \EFI\fedora\shim.efi
> >> 
> >> This differs from the example in the docs by '-p 1' verses '-p Y' and 
> >> 'shim.efi' verses 'grub.efi'.
> >> 
> >> So, what values should I give for the -p and -l options?
> >> 
> >> Also, its not entirely clear what 'bootnumber' value for the -b arg should
> >> be; should this the same number as used to delete the old boot entry in
> >> the previous step?
> > 
> > No feedback so far. Anyone?
> 
> The Y in the instructions, I think, is intended to be a variable because
> it can differ.

Ah yes, I see now thanks, it follows on from the X in sdX.

> what you want is the one with 1. However, running this command in shell
> compared to from anaconda, \E is still an E so you actually need to use
> two backslashes.
> 
> efibootmgr -c -w -L Fedora -d /dev/sda -p 1 -l \\EFI\\fedora\\shim.efi
> 
> To confirm you can use
> 
> efibootmgr -v

Any idea whether I should be using shim.efi or grubx64.efi (or even grub.efi)?

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