Web Service Object
Use the following counters to monitor the performance of physical disks and logical partitions of physical disks on a computer that is running Windows 2000 Professional.
PhysicalDisk\ % Disk Time
PhysicalDisk\ Avg. Disk Queue Length
PhysicalDisk\ Current Disk Queue Length
PhysicalDisk\ Avg. Disk Sec/Read
PhysicalDisk\ Avg. Disk Sec/Write
PhysicalDisk\ Disk Read Bytes/sec
PhysicalDisk\ Disk Write Bytes/sec
PhysicalDisk\ Avg. Disk Bytes/Read
PhysicalDisk\ Avg. Disk Bytes/Write
PhysicalDisk\ Disk Reads/sec
PhysicalDisk\ Disk Writes/sec
For more information about using these counters to test and tune disk performance, see "Examining and Tuning Disk Performance" in the Server Operations Guide.