New IBM VTS and ECCST tape emulation

Document ID : KB000117643
Last Modified Date : 16/10/2018
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Question:
With the new VTS system, we started to use a Data Class construct that specifies 6,000 MiB instead of the regular 4,000 MiB (ECCST). Will this change cause any problems with CA1? 
Answer:
Extended Cartridge definition. They are defining 6Gbyte size cartridges instead of 4Gbyte And no, there are no problems with CA 1. Enhanced Capacity Cartridge System Tape - ECCST