IBM z13s Technical Manual page 458

Performance management
Provides a global performance view of all the virtual servers that support workloads that
are deployed in an ensemble. The virtual server workload performance goal is like a
simplified z/OS Workload Manager (WLM) policy:
– You can define, monitor, report, and manage the performance of virtual servers based
on workload performance policies.
– Policies are associated to the workload:
• From the overall Workload performance health report, you can review contributions
• You can manage resources across virtual servers within a hypervisor instance.
Ensemble Availability Management (EAM)
EAM implements basic availability services for the ensemble as part of the Unified
Resource Manager. It provides consistent high availability management across virtual
servers running on the zEnterprise and zBX in an ensemble, allowing error monitoring and
identifying conditions that affect the availability of resources.
The EAM availability assessment is based on user-defined policies for the following
objects:
– PR/SM LPARs running on zEnterprise
– Kernel-based virtual machine (KVM) virtual servers running on zBX
– PowerVM virtual servers running on zBX
EAM enhancements
EAM availability enhancements are based on Workload Resource Group (WRG)
definitions. A WRG is a grouping mechanism and management view of the virtual servers
that support a business application. The availability definitions are created at the HMC and
include these functions:
– Creation of element groups (an
specific workload. Elements are grouped to form a
are associated, based on a defined workload, to form a WRG.)
– Addition of virtual servers and element groups to a workload.
– Definition of new availability policies.
– Definition of workload status: Performance and availability compliance.
– Providing workload details summary and reports.
Energy management:
– Monitors energy usage and controls power-saving settings, which are accessed
through the new Monitors Dashboard task.
– Monitoring virtual server resources for processor use and delays, with the capability to
create a graphical trend report.
Unified Resource Manager supports different levels of system management. These features
determine the management functions and operational controls that are available for a
zEnterprise mainframe and any stand-alone zBX:
Manage suite
Provides the Unified Resource Manager function for core operational controls, installation,
and energy monitoring. It is configured by default and activated when an ensemble is
created.
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of individual virtual servers.
element
is a virtual server that is associated to a
Resource Group
. Resource Groups