diskpart 分区，挂载，和移除

list disk
select disk 1
clean
Create partition primary size=102400
active
format quick
list volume
assign letter=n

create partition extended
create partition logic
format quick
list volume
assign mount="c:\\testMount"

list volume
select volume 5
remove mount=c:\testMount
delete volume
select volume 4
remove letter=n
delete volume