raid10 - without stripe

Hi guys, on old email, some one told me that was possible using raid10
with layouts, and without stripe
could i make a 2disks raid10 with layout?
i tried many commands but couldn´t work without stripe (disk grow
after each mdadm --create i made :/)
can anyone help? i want faster aligned reads (like raid0) but without
growing my disk size (i want only mirrors)

-- 
Roberto Spadim
Spadim Technology / SPAEmpresarial
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