8.3.1 PLM capabilities

 

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PLM uses a client/server model to monitor and manage partition resources. The clients act as agents on each of the managed partitions. The PLM server configures each of the agents (clients), setting the thresholds at which the server should be notified. The agents monitor the partition's resource usage and notify the PLM server whenever PLM-set thresholds are passed (underutilized or overutilized). Based on a user-defined resource management policy, the PLM server invokes dynamic reconfiguration (DR) operations through the HMC to move resources from a spare pool to a partition or between partitions.

PLM allows for groups of partitions. Resources within a group are managed independently. Because each partition is monitored locally and the agents only communicate with the PLM server when an event occurs, PLM consumes a negligible amount of system and network resources.

 

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