Re: Subject: [PATCH RFC] block: fix Amiga RDB partition support for disks >= 2 TB

Michael Schmitz
2018-06-29T09:25:01Z

Hi Geert,

Am 29.06.18 um 21:12 schrieb Geert Uytterhoeven:
> Hi Michael,
>
> On Fri, Jun 29, 2018 at 11:08 AM Michael Schmitz <schmitzmic@gmail.com> wrote:
>> Am 29.06.18 um 20:51 schrieb Geert Uytterhoeven:
>>>> Would MSDOS recognize the GPT partition as 'probably FAT', and attempt
>>>> to use it?
>>> No idea...
>>>
>>> Probably some old Windows or MacOS versions will just suggest to
>>> format your "new" disk ;-)
>> Yep, that's what I'd expect. Windows even used to trash the LILO boot
>> code in the MBR if you just happened to boot to it by accident. Did we
>> complain?
> Those days Linux users just knew not to use Windows ;-)

For good reason. But that happened on a couple of instrument control PCs
I converted from Win2k. Never mount a scratch monkey...

>>> Personally, I see no reason to depend on a kernel option, if it is safe to use.
>>> Just use it.
>> So to recap - someone partitions a disk on AmigaOS 4.x, taking advantage
>> of the large block device support there.
>> Using that disk on AmigaOS 3.1, data loss ensues. Whether or not Linux
>> (patched) ever touched the disk has no impact on that outcome.
>>
>> Right?
> That's my understanding, too.

OK, that decides it.

Cheers,

Michael
> Gr{oetje,eeting}s,
>
> Geert
>