Cluster/Host Disk Performance Chart

In this article

    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.