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Performance Forecast for Hyper-V Storage

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The Performance Forecast for Hyper-V Storage report forecasts free space, latency and IOPS resource utilization for Hyper-V shared storage objects: Cluster Disks and Cluster Shared Volumes (CSV).

The report forecasts how many days remain before the level of resource utilization reaches the specified threshold values. The report allows analyzing the following storage resource utilization parameters: free space, maximum device latency and storage IOPS.

noteNote

The report treats the Cluster Disk and CSV as separate objects with independent parameters. To avoid misunderstanding in the report output, note the following:

For the Hyper-V Cluster Disks, the report will show information on the latency and IOPS metrics. When running the report for cluster disks only, clear the Hyper-V Cluster Shared Volume (Veeam MP): Free Space (GB) check box in the Aspects to be Analyzed field.
For the Hyper-V Cluster Shared Volumes, the report will show information on free space usage. When running the report for CSV objects only, clear the Hyper-V Cluster Disk (Veeam MP): Max Device Latency (millisecond) and Hyper-V Cluster Disk (Veeam MP): IOPS check boxes in the Aspects to be Analyzed field.

To calculate future storage performance, the report analyzes historical performance data for the specified period in the past, calculates the performance utilization trend and applies this trend to the forecast horizon. For better forecast accuracy, along with the performance trend the report provides trend’s confidence intervalthat represents the best- and worst-case scenarios. This allows you to estimate various possible outcomes and helps you rationally plan your resources.

If one or more specified thresholds are breached within the forecast interval, the report marks the cluster disk or volume as problematic and lists constraining resources for it. The report also provides recommendations on appropriate resource allocation to prevent possible resource shortfalls in future.

Sample Usage

This section provides step-by-step instructions that will help you understand how to create the Performance Forecast for Hyper-V Storage report. Consider the following example:

You need to forecast the number of days left before the amount of storage free space reaches 30%. Make sure that this threshold will not be breached within the next 30 days. Use the historical performance data for the previous month to calculate the resource utilization trend.

To create the report, follow these steps:

1.Open the Performance Forecast for Hyper-V Storage report.
2.Define time intervals.
3.Choose a report scope.
4.Define a resource to be analyzed.
5.Choose how to display report charts.
6.Choose how to display report output.
7.Specify threshold values.
8.Run the report.
9.View the report output.

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