Product manual

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VTrak A-Class Product Manual Promise Technologies
PerFOrmanCe mOnitOring
Use the performance monitoring displays to view performance of the File System or the LUNs, Controllers and
physical drives of any VTrak node.
To view performance displays:
1. Go to Administrator > Performance Monitor link (in left panel).
2. Choose the File System tab to display a graph for I/Os per second, Maximum Latency, Average
Latency, Minimum Latency, Bandwidth (MB/s) - use the Measurement drop-down menu to select
which performance parameter for displaying.
3. Choose the VTrak Performance tab and select a VTrak node from the drop-down VTrak menu to
display graphs for Controllers ( Cache Usage, Dirty Cache Usage ), LUN ( I/Os per second,
Maximum Latency, Average Latency, Minimum Latency, Bandwidth (MB/s ) or Physical Drives ( I/
Os per second, Maximum Latency, Average Latency, Minimum Latency, Bandwidth (MB/s ) .
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