Chapter 4. Implementing data sharing 79
4.4.1 IPL required for these tasks
After you have chosen your new naming convention, you can perform the “Tasks
that require an IPL” at any time. The only activity is the need to update the
IEFSSNxx member of SYS1.PARMLIB. You must:
1. Update the existing subsystem entry to add the group attach name. (If you do
not do it exactly as coded in the example in the manual, jobs using the call
attach facility (CAF) may not work correctly.)
2. Add the subsystem entries for
both the data sharing members you will
implement (according to the naming convention), in our case, DBP1 and
DBP2.
While you can use the z/OS SETSSI command to
add new IEFSSNxx
statements without an IPL, you cannot use it to
update an existing ...