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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.
Core metrics
You can use the Unisphere Performance Management application to gather, view, and analyze performance data to troubleshoot and optimize the storage systems (arrays).

Core metrics

You can use the Unisphere Performance Management application to gather, view, and analyze performance data to troubleshoot and optimize the storage systems (arrays).

Core metrics are supported only by storage systems (arrays) running HYPERMAX OS 5977 or PowerMaxOS 5978.

The following table lists all metrics that are available for the core.

Table 1. Core metrics
Metric	Description
% Busy	The percentage of time that the port is busy
SYMMK Idle Time	SYMMK idle time

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