Figure 8-13 The capacity provisioning process and infrastructure The z/OS WLM manages the workload by goals and business importance on each z/OS  system. WLM metrics are available through existing interfaces  and are reported through IBM  Resource Measurement Facility (RMF) Monitor III  with one RMF gatherer for each z/OS  system. Sysplex-wide data aggregation and propagation occur in the RMF Distributed Data Server  (DDS). The RMF Common Information Model (CIM) providers and associated CIM models  publish the RMF Monitor III data. CPM retrieves critical metrics from one or more z/OS systems’ CIM structures and protocols.  CPM communicates to local and remote SEs and HMCs by using the Simple Network  Management Protocol (SNMP). CPM can see the resources in the individual offering records and the capacity tokens. When  CPM activates resources  a check is run to determine whether enough capacity tokens  remain for the specified resource to be activated for at least 24 hours. If insufficient tokens  remain  no resource from the On/Off CoD record is activated. If a capacity token is used during an activation that is driven by the CPM  the corresponding  On/Off CoD record is deactivated prematurely by the system. This process occurs even if the  CPM activates this record  or parts of it. However  you do receive warning messages if  capacity tokens are close to being fully used.  You receive the messages five days before a capacity token is fully used. The five days are  based on the assumption that the consumption is constant for the five days. You must put  operational procedures in place to handle these situations. You can deactivate the record  manually  allow it occur automatically  or replenish the specified capacity token by using the  Resource Link application. 364  IBM z15 (8561) Technical Guide PR/SM z/OS MF  z15 Capacity  Provisioning  Manager (CPM) RMF CIM  server z/OS console(s) RMF DDS WLM RMF WLM CIM  server HMC Ethernet Switch (SNMP) z/OS image z/OS image(s) Capacity Provisioning  Management Console Provisioning Policy