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Access method control

The Image Copy function has two access methods available to write the image copy data sets.

  • Native access method (SAM)
    This method writes the data set at the same speed as an optimally tuned IMS Database Image Copy utility. You can still take advantage of the other Image Copy function features when you use this access method. To use SAM, specify 1 for the ICACC keyword.

  • EXCP-level access methods
    This method is available for processing tape data sets only. It writes the data set at speeds that approach the physical capabilities of the tape device. To use EXCP, specify 2 for the ICACC keyword.

    Warning

    Note

    The EXCP-level access method achieves better performance. BMC recommends that you use it in all cases.

Related topic

Output-image-copy-write-options

 

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