DISKPERF=====================
Starts and stops system disk performance counters.
Used without the command switches, DISKPERF reports what disk
performance counters are enabled on the local or specified compute
Disk performance counters can be specified to report the
performance of the individual physical drives, or the individual
logical drives or storage volumes. Note that these two sets of
performance counters are measured independently. The user
has the option of enabling and disabling them independently
using the command line switches.
DISKPERF [-Y[D|V] | -N[D|V]] [\\computername]
-Y Sets the system to start all disk performance counters
when the system is restarted.
-YD Enables the disk performance counters for physical drives.
when the system is restarted.
-YV Enables the disk performance counters for logical drives
or storage volumes when the system is restarted.
-N Sets the system to disable all disk performance counters
when the system is restarted.
-ND Disables the disk performance counters for physical drives.
-NV Disables the disk performance counters for logical drives.
\\computername Is the name of the computer you want to
see or set disk performance counter use.