z/OS HCD User's Guide
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Repeating (copying) partitions

z/OS HCD User's Guide
SC34-2669-00

Repeating (copying) partitions

You can copy partitions within the same or to another IODF. When copying a partition, the following related objects and connections are also copied:

  • Channel paths having the partition in their access list
  • Control units reached by the partition
  • Devices reached by the partition
Note:
PCHID values are not copied.

Before copying the partition, perform the same checks as when repeating a processor (see Repeating (copying) processors). Omit step 1 that applies to a processor repetition only.

Then copy a partition as follows:

  1. Copy the partition using the Repeat (copy) partitions action from the context menu (or action code  r ) on the Partition List. The Identify Target IODF panel is displayed.
  2. Specify the IODF to which the selected partition is to be copied. The default IODF is the IODF you are currently working with.
  3. On the following Repeat Partition panel, specify the required values and press the Enter key.

    Definitions for the source partition are merged with the definitions of the target partition. If the target partition has another partition number than the source partition, HCD keeps the target partition number.

    If control units or devices already exist in the target IODF (same number and type), HCD tries to map them. Migrating additional IOCP input data sets explains in detail when a device or control unit is mapped. If they are mapped, the attributes of the target control unit or device are kept.

    See Explicit device candidate lists how to handle device candidate lists.

Note:
HCD provides special processing when copying/repeating partitions with CTC connections. For more information refer to Copying/repeating channel subsystems with CTC connections.

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