I see that we have defined ASSO, DATA, WORK, SORT, CLOG and PLOG with DEVICE=8391. The documentation (Device and File Considerations) states that DEVICE=8390, 8391, 8392, and 8393 is suitable for 3390 device types, and specifies the block size and RABNs per track associated with each device. We are currently using 3390 mod 9 devices and have just been asked to clone this system using 3390 mod 27 disk packs. Should we continue to define these with DEVICE=8391?
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