The purpose of the adjustment "File I/O - Block I/O"

[Gr-R]

http://kb.open-e.com/File-IO-Or-Block-IO_342.html

[Artem]

Thanks for answer.
And how does this apply to Microsoft initiator?
He reacts the same way as the target a creature with a "File I/O", and the target created with "Block I/O" - see it as the logical volume.