> 1) There is already an ATA command to report both physical and logical
> sector sizes, but the disk lies - it always reports 512/512.
Advanced Format disks reports 512, but there is another command in ATA standard
which can tell us if it uses 4k sector.
> 2) The disk may have already been formatted on a system that doesn't
> support 4k sectors, and may contain unaligned partitions and file
> systems, which won't be visible if we forcibly and unconditionally
> use 4k sectors.
I mean that when I create *NEW* GPT scheme I can set up sector size emulation.
It will never touch existing unaligned partitions.
--
Alexey Tarasov
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