Step 1.2B: Input File On Tape
Before you can build your IOCDS, you must first define your tape device in a different IOCDS and then
power-on reset with this temporary IOCDS.
Starting the Program: From the Support Element workplace:
1. Open Task List from the Views area
2. Open CPC Configuration from the Task List Work Area
3. Open Groups from the Views area
4. Select CPC from the Groups Work Area
5. Drag and drop the selected object on Input/output (I/O) Configuration in the CPC Configuration
area
Defining the Load Device:
1. Under the title “Data Set Status,” select any valid data set (not the active one) that you want to
change.
2. Select Options from the action bar.
3. Select Open source file from the pull-down.
The Configuration panel displays.
4. Select Edit from the action bar.
5. Select Define Load Tape Device from the pull-down.
6. Select the tape drive from the list, then select OK.
The tape drive must be able to be manually loaded or the tape must be already mounted. IOCP does not
support tape library systems.
7. Specify the channel path identifier from the list, then select OK.
8. Type in the unit address of the tape drive (upper case alpha characters or numeric), then select OK.
9. Select the CHPID type.
A message will display stating the input tape unit macro instructions were created.
10. Select File from the action bar.
11. Select Save from the pull-down.
12. Select File from the action bar.
13. Select Exit from the pull-down.
Building the Data Set:
1. Select Options from the action bar.
2. Select Build data set from the pull-down.
The Build Configuration Data Set panel displays.
3. Select the appropriate parameters, then select OK
Note: If the input source file contains MVSCP macroinstructions, select Ignore unrecognized card
statements.
The Confirm the Action panel displays.
(This panel only displays the first time a build is requested.)
4. Select Ok
A Configuration Task in Progress panel displays while the IOCP program is run. The IOCP program may
take up to 12 minutes to complete. When complete, a message displays confirming the function is
complete.
5. Select OK.
3-8 Getting Started
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