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Re: ISO installer image: GPT versus MBR partitions
From: |
pelzflorian (Florian Pelz) |
Subject: |
Re: ISO installer image: GPT versus MBR partitions |
Date: |
Wed, 24 Apr 2019 11:13:23 +0200 |
User-agent: |
NeoMutt/20180716 |
On Wed, Apr 24, 2019 at 08:56:57AM +0200, Thomas Schmitt wrote:
> Florian Pelz wrote
> > So… GPT is wrong for some optical media too?
>
> Not in this aspect. GPT partitions must not start at block 0.
> So the overall ISO superblock is not mountable as partition and thus
> free to claim the full image size as filesystem size.
>
Sorry, I meant to quote this aspect:
> > One can read trailing garbage not only from USB sticks but also from
> > most DVD types.
> > […]
> >
>
> So… GPT is wrong for some optical media too?
>
> > By the way, someone I know has a most peculiar machine called Lenovo
> > Ideapad 100S which does not boot Guix, […]
>
> If Guix does not show up in the boot manager, try a plain grub-mkrescue
> image that was made when GRUB was configured for both EFI variations:
> 32 bit x86 and 64 x86.
> My experiments are made when it is configured for those two plus PC-BIOS.
> The EFI partition then has bootx64.efi and bootia32.efi in /efi/boot/.
>
Will do.
Regards,
Florian
Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/23
- Re: ISO installer image: GPT versus MBR partitions, pelzflorian (Florian Pelz), 2019/04/23
- Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/23
- Re: ISO installer image: GPT versus MBR partitions, pelzflorian (Florian Pelz), 2019/04/23
- Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/24
- Re: ISO installer image: GPT versus MBR partitions,
pelzflorian (Florian Pelz) <=
- Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/24
- Re: ISO installer image: GPT versus MBR partitions, Danny Milosavljevic, 2019/04/24
- Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/25
- Re: ISO installer image: GPT versus MBR partitions, pelzflorian (Florian Pelz), 2019/04/25
- Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/25
- Re: ISO installer image: GPT versus MBR partitions, Danny Milosavljevic, 2019/04/25
- Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/25
- Re: ISO installer image: GPT versus MBR partitions, Danny Milosavljevic, 2019/04/25
- Re: ISO installer image: GPT versus MBR partitions, Thomas Schmitt, 2019/04/25
- Re: ISO installer image: GPT versus MBR partitions, Danny Milosavljevic, 2019/04/25