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Performance Management
The Unisphere performance management application monitors and manages storage system performance data (Dashboards, Charts, Analyze, Heatmap, Reports, Plan, Real-Time traces, and Performance Database management).
Performance Management Metrics
Unisphere supports the display of performance metrics (listed in the online help) that you can use to monitor and manage your network.
RDF Emulation metrics
Unisphere collects and displays metrics for SRDF emulations.

RDF Emulation metrics

Unisphere collects and displays metrics for SRDF emulations.

Within the PM metrics section, V4 is used to denote that the metric is supported only by a storage system (array) running PowerMaxOS 10 (6079). V3 is used to denote that the metric is supported only by a storage system (array) running HYPERMAX OS 5977 or PowerMaxOS 5978. Metrics without the denotation are supported by all storage systems (arrays).

The following table lists all metrics that are available for SRDF emulations.

Table 1. RDF emulation metrics
Metric	Description
% Busy	The percent of time that a director is busy.
Total Work Time	Total work time

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