https://www.ibm.com/docs/en/ims/15.5.0?topic=procedures-defining-irlm-sysplex-data-sharing
If you are implementing a sysplex data-sharing environment, you must define the data-sharing group to which IRLM belongs, the lock structure to be used by that...
system administrationimsdefiningsysplex
https://www.ibm.com/docs/en/ims/15.5.0?topic=environment-modifying-batch-jobs-sysplex-data-sharing
Each IMS connected to an OSAM or VSAM structure uses one connection or slot to each coupling facility structure. Therefore, every batch job running in...
system administrationbatch jobsimsmodifyingsysplex