Grub-install failure...

[Robert Heller]

At Fri, 12 Feb 2021 20:38:41 +0000 "Ubuntu user technical support, not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:

> 
> Content-Type: text/plain
> 
> On Fri, Feb 12, 2021 at 03:19:20PM -0500, Robert Heller wrote:
> > Grub-install is failing:
> > 
> > sauron% sudo grub-install /dev/sda
> > [sudo] password for heller: 
> > Installing for i386-pc platform.
> > grub-install: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible.
> > grub-install: error: embedding is not possible, but this is required for RAID and LVM install.
> [...]
> > What am I missing? Grub 1 is happy and I can boot that way, but it is
> > presently defaulting to CentOS 6.10. I am at this point ready to install grub
> > 2 and make the default boot to be Ubuntu 18.04, but grub 2's installer is
> > complaining... My motherboard's BIOS is an older one (not UEFI). When I
> > installed these 2TB disks, I set asside a UEFI partition (part 1 on /dev/sda
> > and /dev/sdb), but I am presently not using it -- I anticipate getting a new
> > motherboard, which will likely have a UEFI boot prom.
> 
> I think your best bet then will be to change the types of /dev/sd[ab]1
> to "BIOS Boot Partition" for now, thereby allowing them to be used to
> store boot loader data, assuming they're empty as well as unused at the
> moment.  It ought to be possible to remake that pair of partitions as
> EFI System Partitions later.
> 
> https://www.gnu.org/software/grub/manual/grub/grub.html#GPT may be
> helpful here.

OK, grub-install reported no errors.

I'll test to see if the machine boots properly tomorrow.

> 

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