Hitachi Performance Monitor data

This topic provides detailed descriptions of the monitoring data collected and displayed by Hitachi Performance Monitor.

• Monitoring data

• Usage rates of MPs

• Usage rate of cache memory

• Write pending rates

• Storage system throughput

• Data transfer rate

• Response times

• Cache hit rates

• Back-end performance

• Drive usage rates

• Data drive access rates

• ShadowImage usage statistics

• Remote I/O (RIO)

• Pair Synchronized

• Differential Track

• Number of Journals

• Data Usage Rate

• Meta Data Usage Rate

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