This video describes local online change, which provides the ability, without an IMS shutdown to add, change, and delete data set member entries for these items:
• DATABASES (requires /DBR [and probably an unload/reload], if changing or deleting)
• APPLCTNs
• TRANSACTs
• FP Routing Codes
• ACB (DMBs and PSBs) members of ACBLIB
• FORMATs (MIDs, MODs, DIF, and DOFs) in Format Library