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Procedure for Using Minicopy  



To use the minicopy operation:
  1. Start a write bitmap.

    A write bitmap is started by specifying the new qualifier /POLICY=MINICOPY[=OPTIONAL] to the DISMOUNT command when removing a member from a shadow set. You can also start a write bitmap with the MOUNT command when mounting a shadow set less one or two members, as described in Creating a Write Bitmap With MOUNT.
  2. Use the write bitmap for a minicopy operation when you return the shadow set member to the shadow set.

    If a write bitmap exists for the shadow set, a minicopy operation is invoked by default by the following MOUNT command:
    $ MOUNT DSA42/SHAD=$4$DUA42 volume-label
    To guarantee that only a minicopy takes place, use the /POLICY=MINICOPY qualifier, as shown in the following example:
    $ MOUNT DSA42/SHAD=$4$DUA42 volume-label/POLICY=MINICOPY
    If a write bitmap does not exist for a minicopy, the mount fails.

    When a minicopy operation is completed, the write bitmap associated with the disk is deleted.

For a detailed description of how to use /POLICY=MINICOPY[=OPTIONAL] with the MOUNT and DISMOUNT commands, see Creating Write Bitmaps and Starting a Minicopy Operation.


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