单项选择题

An administrator has a server experiencing performance problems with logical volumes within a particular volume group.
Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）

A.Islv
B.vmstat
C.iostat
D.Ivmstat

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An administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）

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An administrator has a server experiencing performance problems with logical volumes within a particular volume group.
Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）