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In the Virtual Disk Manager, select a virtual disk, select Examine Performance from the Disk menu, then click on Refresh to obtain current statistics.
A snapshot of disk I/O statistics and read/write ratios are displayed for the virtual disk and for individual disk pieces within it. ``Application and filesystem requirements'' explains the statistics displayed.
Use the Refresh button to update the statistics or the Zero button to clear existing statistics.
Use this information to monitor I/O activity on your system. To reduce performance constraints, balance the I/O more evenly as described in ``Application and filesystem requirements''. For more information on tuning your system, see ``Tuning virtual disk performance''.