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What is EMIF? Do I have to have an ESCON director to run EMIF?

April 26, 2017director escon run

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What is EMIF? Do I have to have an ESCON director to run EMIF?

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A. ESCON Multiple Image Facility (EMIF) is a mainframe I/O software function that allows you to share one ESCON channel among multiple logical partitions (LPARs) on the same mainframe. An ESCON director is a piece of physical hardware that allows you to share one ESCON channel among multiple device control units or one device control unit among multiple ESCON channels.