The Disk chart is available for Microsoft Hyper-V clusters and hosts; it displays historical statistics on disk usage for the selected cluster or host.
The following table provides information on predefined views and counters.
Disk/Host: Disk Read Bytes/sec
Rate at which bytes are transferred from the disk during read operations.
Disk/Host: Disk Write Bytes/sec
Rate at which bytes are transferred from the disk during write operations.
Disk/Host: Disk Usage Bytes/sec
Rate at which bytes are transferred to and from the disk during read/write operations.
Disk Queue Length
Disk/Host: Avg Disk Queue Length
Average number of read and write requests that were queued for the selected disk during the sample interval.
Disk/Host: Avg Disk sec/Read
Average time a read from the disk takes.
Disk/Host: Avg Disk sec/Write
Average time a write to the disk takes.