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.
Chart View | Counter | Measurement Unit | Description |
Disk Usage | Disk/Host: Disk Read Bytes/sec | Bps | Rate at which bytes are transferred from the disk during read operations. |
Disk/Host: Disk Write Bytes/sec | Bps | Rate at which bytes are transferred from the disk during write operations. | |
Disk/Host: Disk Usage Bytes/sec | Bps | Rate at which bytes are transferred to and from the disk during read/write operations. | |
Disk Queue Length | Disk/Host: Avg Disk Queue Length | Number | Average number of read and write requests that were queued for the selected disk during the sample interval. |
Disk Latency | Disk/Host: Avg Disk sec/Read | Millisecond | Average time a read from the disk takes. |
Disk/Host: Avg Disk sec/Write | Millisecond | Average time a write to the disk takes. |
