---
title: "Cluster/Host Disk Performance Chart"
description: "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. The following table provides information on predefined views and counters."
canonical: "https://helpcenter.veeam.com/docs/one/userguide/hyperv_host_disk.html"
breadcrumb: "User Guide > Hyper-V Monitoring > Microsoft Hyper-V Performance Charts > Cluster/Host Disk Performance Chart"
dateModified: "2026-10-23"
---

# 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](images/hyperv_disk_performance_chart.png "Host Disk Performance Chart")](images/hyperv_disk_performance_chart.png){.toggle scale=50}

The following table provides information on predefined views and counters.

<table class="Blue_Table">
  <tr style="vertical-align:top">
    <th>
      <p>Chart View</p>
    </th>
    <th>
      <p>Counter</p>
    </th>
    <th>
      <p>Measurement Unit</p>
    </th>
    <th>
      <p>Description</p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td rowspan="3" style="vertical-align:top;">
      <p style="text-align:left;"><span style="font-weight:bold;">Disk Usage</span></p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Disk/Host: Disk Read</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">MB/s</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Rate at which bytes are transferred from a disk during read operations.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top;">
      <p style="text-align:left;">Disk/Host: Disk Write</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">MB/s</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Rate at which bytes are transferred from a disk during write operations.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top;">
      <p style="text-align:left;">Disk/Host: Disk Usage</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">MB/s</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Rate at which bytes are transferred to and from a disk during read and write operations.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top;">
      <p style="text-align:left;"><span style="font-weight:bold;">Disk Queue Length</span></p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Disk/Host: Avg Disk Queue Length</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Number</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Average number of read and write requests that were queued for a disk during the sample interval.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td rowspan="2" style="vertical-align:top;">
      <p style="text-align:left;"><span style="font-weight:bold;">Disk Latency</span></p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Disk/Host: Avg Disk sec/Read</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Millisecond</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Average amount of time that a read operation from a disk takes.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top;">
      <p style="text-align:left;">Disk/Host: Avg Disk sec/Write</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Millisecond</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Average amount of time that a write operation to a disk takes.</p>
    </td>
  </tr>
</table>