Re: BIOS_grub GUID signature within an EFI partition?

[Randy Goldenberg]

A BIOS boot partition would not typically have a file system.  Why both a
GUID signature associated with legacy BIOS boot and an efi executable would
be on a partition labelled as a BIOS boot partition is a mystery to me.

What is your goal?

On Tue, Sep 12, 2023 at 7:31 AM Moses Gold <mosesogold@gmail.com> wrote:

> Thanks. Does that mean that the grubx64.efi on this partition is
> extraneous?
>
> On Mon, Sep 11, 2023 at 9:55 PM, Randy Goldenberg <
> randy.goldenberg@gmail.com> wrote:
>
>> EF02 is a BIOS boot partition.
>>
>> On Mon, Sep 11, 2023 at 6:04 PM Moses Gold <mosesogold@gmail.com> wrote:
>>
>>> The BIOS_grub GUID signature:
>>> "48 61 68 21 49 64 6F 6E 74 4E 65 65 64 45 46 49 -- Hah!IdontNeedEFI"
>>> is contained within my EFI partition after a recent grub install (grub
>>> and
>>> EFI added during same Linux installation). Specifically, the EFI
>>> partition
>>> begins at sector 1 of my boot device /dev/nvme0n1 and the BIOS_grub
>>> signature appears at sector 2. gdisk says the following:
>>>
>>> Number  Start (sector)    End (sector)  Size       Code  Name
>>>    1            2048         1628159   794.0 MiB   EF02
>>>
>>> Is this the normal predicted configuration of BIOS_grub with an EFI
>>> partition?
>>>
>>