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This item is not in our plans but is being kept in our backlog.
Hello Christian,
many thanks for helping us to improve HCD. We understand the overall intention of your proposed requirement. This is a useful enhancement to HCD and we will move it to our requirement list.
But be aware: Since the content of our next release is already defined, we will move your request into our long-term queue.
In the meantime, there are other ways allowing the definition of multiple control units with limited effort:
HCD: migrate deck
To define many similar objects, HCD allows to import IOCP decks or (preferably) HCD configuration decks. You can describe I/O configuration elements like control units and devices in a text file using IOCP syntax (IOCP deck) or enhanced IOCP syntax (HCD configuration deck). Such definitions can be migrated (imported) into an existing IODF. Such a deck can contain anything from a single object, like a control unit or a device, up to a complete configuration of a processor.
As an alternative you may consider using the z/OS product HCM (Hardware Configuration Manager) which provides enhanced definition tools for creating and connecting multiple similar control units:
HCM: I/O subsystem wizard
HCM offers a dialog for creating and connecting an I/O subsystem. It helps you to create an I/O subsystem consisting of controller (with control units) and strings (with devices). You can use a wizard to create multiple, similar control units with a few mouse clicks. Also, you create multiple, similar device ranges (strings) with a few additional mouse clicks. The wizard also supports automatic assignments of physical connections (assignments) where possible. In HCM, a string refers to a collection of one or more I/O devices. You can make changes to the string which applies corresponding changes to the group of devices described by it in the IODF. More information about that wizard can be found in the HCM tutorial (http://www.ibm.com/systems/z/os/zos/features/hcm/HCDHCM_furtherinfo_tools.html).
HCM: Multiple Connect
In HCM, a 'multple connect' operation supports connecting multiple control units to multiple CHPIDs. A dialog allows you to assign CUADD values to the connections of multiple control units in ascending order. You may choose an offset (or step size) other than 1 to implement your own numbering schemes.
More information can be found in the HCM User's Guide (see page 203/204: https://www.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R3sc342670?OpenDocument
Kind regards,
Your HCD Team