Re: Hybrid MBR with gpt(8)

To: Sad Clouds <cryintothebluesky%gmail.com@localhost>
Subject: Re: Hybrid MBR with gpt(8)
From: Martin Husemann <martin%duskware.de@localhost>
Date: Mon, 16 Sep 2024 16:30:34 +0200

On Mon, Sep 16, 2024 at 03:18:43PM +0100, Sad Clouds wrote:
> Hello, with Linux I can create hybrid MBR GPT partitions and boot the
> OS with legacy firmware.

A hybrid MBR/GPT is not supported (and violates the UEFI standard).

But you can boot GPT partitioned disks with legacy BIOS firmware, you just
need to install the proper bootloader (sysinst does that for you if
you boot via BIOS and partition a disk with GPT).

You can find the primary bootloader in /usr/mdec/gptmbr.bin and the
"gpt biosboot" command is used to install it.

Martin

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