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

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Hi Michael.

Michael Schmitz - 29.06.18, 10:42:
Am 28.06.18 um 21:25 schrieb Geert Uytterhoeven:
Do we really need the warning?
Once the parsing is fixed doing 64-bit math, it does not matter
for
Linux anymore.

Well, irony of this is: In my case the RDB has been created on a
machine with a native OS. So Linux warns me about something I
already did so on the native OS without any warning. In this case
AmigaOS 4.0.> 
Exactly.

So moving a disk partitioned under AmigaOS 4.0 to a system running
an
older version of AmigaOS can fail miserably. Not a Linux issue.
Linux also doesn't warn about disks with GPT failing to work on old
MSDOS.
Would MSDOS recognize the GPT partition as 'probably FAT', and attempt
to use it?

As far as I know most GPT partitioning tools create a fake MBR with one 
large partition of a partition type for GPT to tell legacy applications 
to leave the disk alone.

Thanks,
-- 
Martin


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