If the disk is a Minidisk copy from 1 to 3339 cyls. De: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] En nombre de Schuh, Richard Enviado el: martes, 16 de marzo de 2010 18:07 Para: IBMVM@LISTSERV.UARK.EDU Asunto: DDR When DDR copies one disk to another, a COPY ALL operation, does it do full track reads and writes, copy an entire cylinder in a single I/O, or what? Regards, Richard Schuh