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Logical Drive Performance
The Logical Drive Performance chart tracks the Average I/O Latencies on a historical
basis to capture the past and present behavior for each Logical Drive (LD) in the
container.
The Average I/O Latencies is the average amount of time that an I/O takes to complete
once it has been dispatched to the LD and is measured in microseconds. This value
should be as low as possible.
Each line in the graph is indicative of the behavior of a different LD present in that
container. The lines in the graph have a diminishing color gradient that is indicative of
the past history of that LD. By looking at the chart it is possible to detect drive failures in
advance, since unusually high latency and outstanding I/Os indicate a potentially failing
drive.
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StorTrends® 1300 User's Guide (StorTrends iTX version 2.7)
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