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3ware® User Guide > Troubleshooting > Drive Performance Monitoring > Types of DPM Statistics

Types of DPM Statistics
The following drive statistical data can be stored and reported:
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Queue depth, which indicates the number of read/writes that are currently outstanding.
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IOP, which indicates the number of read/writes that have completed
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Transfer rate, which indicates the number of sectors that have been read/written
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Response time, which indicates the execution time of all commands
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Command read/writes, which indicates the drive and drive sectors' accumulated read and write commands.

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