Verify disk performance for SharePoint 2013 server

Storage disk performance is a critical factor for SharePoint to deliver a healthy service. Storage disk performance is measured by Input/output operations per second (IOPS). Following are some recommendation for various databases

DB	Recommended IOPS
SharePoint content database	200-4000
SharePoint configuration database	100 min
Central Administration database	100 min
Search Crawl database	3500-7000

Let’s see how to check the performance of our storage disk. Following resources can be found in this article

1. Download and extract this package

2. Execute the PowerShell script

.\DiskPerformance.ps1 -TestFileName test.dat –TestFileSizeInGB 1 -TestFilepath C:\Test -TestMode Get-LargeIO -FastMode True -RemoveTestFile True -OutputFormat Out-GridView

(You can perform some  IO operation on the drive while doing the operation)