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# FICON Port Threads metrics

Unisphere collects and displays metrics for FICON port threads.

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 FICON port threads.

Table 1. FICON port threads metrics
Metric | Description
--- | ---
% Busy | The percentage of time the FICON port was busy
% Idle | The percentage of time the FICON port was idle