Mylex eXtremeRAID Installation Guide download pdf (Page 145)

Monitoring

Manual No. 771961 5-29

Performance Monitoring

Performance can be monitored in two ways:

• Statistics View. This measures RAID controller performance using

operations such as Reads, Writes, % Reads, % Writes, Cache Hits, etc.

A flexible settings page lets you choose which controllers, targets, and

operations to monitor. Past and present data can be viewed as a line

graph, pie graph, or bar graph. Settings can be saved and opened, and

statistics data can be captured, saved, and displayed.

• Performance Analysis. AVAILABLE WITH MYLEX PCI RAID

CONTROLLERS ONLY! This focuses on disk-level performance as

often used in a TPC-C environment. This system-side tool uses items

such as Command Completion Time, Retries, etc., to monitor and

analyze performance. A flexible settings page lets you choose which

controllers, targets, and operations to monitor. Past and present data

can be viewed as a line graph in a History window. Settings can be

saved and opened, and performance data can be captured, saved, and

displayed.

Statistics View

Open the Statistics View as shown in Figure 5-28:

Figure 5-28. Select “Statistics View”

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Mylex eXtremeRAID Installation Guide Page 145