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Chapter 11: System Monitoring and Management

Component status is constantly refreshed, yet the refresh time depends on

the value set for device bus polling intervals, e.g., polling period set for

SAF-TE or SES devices.

The EonStor subsystem series supports auto-polling of cascaded

enclosures, meaning the status of a connected enclosure is automatically

added to the System Information window without the user’s intervention.

11.6 Statistics

RAIDWatch Manager includes a statistics-monitoring feature to report

the overall performance of the disk array system. This feature provides a

continually updated real-time report on the current throughput of the

system, displaying the number of bytes being read and written per

second, and the percentage of data access being cached in memory.

These values are displayed by numeric value and as a graph.

Figure 11-12: Statistics Display Window

To access the Statistics window, click on the Statistics icon on the GUI

navigation panel or select the Statistics command from the Action menu.

Then choose either Cache Dirty (%) or Disk Read/Write Performance

(MB/s) by checking the respective select box.

♦ The Cache Dirty statistics window displays what percentage of

data is being accessed via cache memory.

♦ The Read/Write Performance window displays the amount of

data being read from or written to the disk array system, in MB per

second.

11-13 Statistics

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