Cluster/Host Disk Performance Chart

The Disk chart is available for Microsoft Hyper-V clusters and hosts. The chart displays historical statistics on disk usage for the selected cluster or host.

Host Disk Performance Chart

The following table provides information on predefined views and counters.

Chart View

Counter

Measurement Unit

Description

Disk Usage

Disk/Host: Disk Read

MB/s

Rate at which bytes are transferred from a disk during read operations.

Disk/Host: Disk Write

MB/s

Rate at which bytes are transferred from a disk during write operations.

Disk/Host: Disk Usage

MB/s

Rate at which bytes are transferred to and from a disk during read and write operations.

Disk Queue Length

Disk/Host: Avg Disk Queue Length

Number

Average number of read and write requests that were queued for a disk during the sample interval.

Disk Latency

Disk/Host: Avg Disk sec/Read

Millisecond

Average amount of time that a read operation from a disk takes.

Disk/Host: Avg Disk sec/Write

Millisecond

Average amount of time that a write operation to a disk takes.

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