The Natural Philosopher wrote:

http://superuser.com/questions/80883...tioning-an-ssd

There is absolutely *no correlation whatsoever* between what 'track
and sector' is requested by the operating system and what physical
block of the SSD the data actually resides upon.

That is true, but if you get the alignment wrong then the data from a
single file system cluster may reside in *two* physical blocks, do you
not see that?