Promise Technology VESS A7600 Handleiding (108 Pagina's)

Handleiding

59

PerForMance Monitoring

The Performance Monitor displays real-time performance statistics for logical drives and physical drives. The

vertical scale adjusts dynamically to accommodate the statistical data.

Because it reports performance in real-time, to see data in the monitor, there must be I/O data activity taking

place between the subsystem and the Host.

To monitor performance:

1. Click the Administrative Tools icon.

2. Click the Performance Monitoring icon.

3. ClicktheInformationtabforaggregatedstatistics;orchoosetheRead/WritetabtoviewspecicReadand

Write performances separately.

4. Under Logical Drive, choose the metric you want to see from the Measurement drop-down menu.

5. Check the boxes for the logical drives you want to see.

• Total of all logical drives

• Up to 4 devices

Information

• Bandwidth in MB/s

• Cache usage by %

• Dirty cache usage by %

• Maximum latency in ms

• Average latency in ms

• Minimum latency in ms

• I/Os per second

Read/Write

• Read bandwidth

• Write bandwidth

• Maximum Read latency in ms

• Maximum Write latency in ms

• Average Read latency in ms

• Average Write latency in ms

• Minimum Read latency in ms

• Minimum Write latency in ms

• Write Regs

• Read Regs

Promise Technology Product Manual

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