On 17/10/16 09:37, John Rumm wrote:
In reality it could be anywhere on any boundary the
SSD firmware and processor puts it.

Not quite - there is not a one to one mapping of OS allocation units to
flash pages. For optimum performance you need to ensure that whichever
allocation unit you update, the SSD can do that update by operating on
one (and only one) page of flash. With the wrong alignment, you can end
up with the SSD needing to do two page updates for each OS allocation
unit update.


However all that may be true, but its not under user level control via
partioning, and its handled internally by the SSD.


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