Get-VMmaxIOPS.psm1
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function Get-VMmaxIOPS { <# .NOTES =========================================================================== Created by: Markus Kraus Twitter: @VMarkus_K Private Blog: mycloudrevolution.com =========================================================================== Changelog: 2016.08 ver 1.0 Base Release 2016.11 ver 1.1 New Counters =========================================================================== External Code Sources: http://www.lucd.info/2011/04/22/get-the-maximum-iops/ https://communities.vmware.com/thread/485386 =========================================================================== Tested Against Environment: vSphere Version: 5.5 U2, 6.5 PowerCLI Version: PowerCLI 6.3 R1, PowerCLI 6.5 R1 PowerShell Version: 4.0, 5.0 OS Version: Windows 8.1, Server 2012 R2 =========================================================================== Keywords vSphere, ESXi, VM, Storage, Sizing =========================================================================== .DESCRIPTION This Function will Create a VM Disk IOPS Report .Example Get-Folder -Name TST | Get-VM | where {$_.PowerState -eq "PoweredOn"} | Get-VMmaxIOPS -Minutes 120 | ft -AutoSize .Example Get-Cluster -Name TST | Get-VM | where {$_.PowerState -eq "PoweredOn"} | Get-VMmaxIOPS .Example Get-VM -Name TST*| where {$_.PowerState -eq "PoweredOn"} | Get-VMmaxIOPS -Minutes 120 | ft -AutoSize .PARAMETER VMs Specify the VMs .PARAMETER Minutes Time Range in Minutes for the Stats Collection. Default is 30 Minutes. #Requires PS -Version 4.0 #Requires -Modules VMware.VimAutomation.Core, @{ModuleName="VMware.VimAutomation.Core";ModuleVersion="6.3.0.0"} #> [CmdletBinding()] param( [Parameter(Mandatory=$true, ValueFromPipeline=$True, Position=0)] [VMware.VimAutomation.ViCore.Impl.V1.Inventory.InventoryItemImpl[]] $VMs, [Parameter(Mandatory=$false, Position=1)] [int] $Minutes = 30 ) Process { if ($_.PowerState -eq "PoweredOn") { #region: Global Definitions [int]$TimeRange = "-" + $Minutes #endregion #region: Creating VM Stats $VMMetrics = "virtualDisk.numberReadAveraged.average","virtualDisk.numberWriteAveraged.average" $Start = (Get-Date).AddMinutes($TimeRange) $VMStats = Get-Stat -Realtime -Stat $VMMetrics -Entity $VMs -Start $Start -Verbose:$False #endregion #region: Creating HD-Tab $hdTab = @{} foreach($hd in (Get-Harddisk -VM $VMs)){ $controllerKey = $hd.Extensiondata.ControllerKey $controller = $hd.Parent.Extensiondata.Config.Hardware.Device | where{$_.Key -eq $controllerKey} $hdTab[$hd.Parent.Name + "/scsi" + $controller.BusNumber + ":" + $hd.Extensiondata.UnitNumber] = $hd.FileName.Split(']')[0].TrimStart('[') } #endregion #region: Creating Reports $reportPerf = @() $reportPerf = $VMStats | Group-Object -Property {$_.Entity.Name},Instance | %{ New-Object PSObject -Property @{ VM = $_.Values[0] Disk = $_.Values[1] IOPSWriteAvg = [math]::round( ($_.Group | ` where{$_.MetricId -eq "virtualDisk.numberWriteAveraged.average"} | ` Measure-Object -Property Value -Maximum).Maximum ,2) IOPSReadAvg = [math]::round( ($_.Group | ` where{$_.MetricId -eq "virtualDisk.numberReadAveraged.average"} | ` Measure-Object -Property Value -Maximum).Maximum ,2) Datastore = $hdTab[$_.Values[0] + "/"+ $_.Values[1]] } } } Else { Write-Error "VM $($_.Name) is Powered Off! IOPS Processing Skipped" } $reportPerf | Select-Object VM, Disk, Datastore, IOPSWriteAvg, IOPSReadAvg #endregion } } |