MaxIOPS and SCSI-UNMAP
Two new Functions: - Report VM Disk IOPS of VMs - Process SCSI UNMAP on VMware Datastores
This commit is contained in:
mycloudrevolution
85
Modules/Get-VMmaxIOPS.psm1
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85
Modules/Get-VMmaxIOPS.psm1
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function Get-VMmaxIOPS {
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<#
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.SYNOPSIS
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Report VM Disk IOPS of VMs
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.DESCRIPTION
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This Function will Create a VM Disk IOPS Report
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.Example
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Get-VM TST* | Get-VMmaxIOPS -Minutes 60 | FT -Autosize
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.Example
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$SampleVMs = Get-VM "TST*"
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Get-VMmaxIOPS -VMs $SampleVMs -Minutes 60
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.PARAMETER VMs
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Specify the VMs
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.PARAMETER Minutes
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Specify the Minutes to report (10080 is one Week)
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.Notes
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NAME: Get-VMmaxIOPS.ps1
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LASTEDIT: 08/23/2016
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VERSION: 1.1
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KEYWORDS: VMware, vSphere, ESXi, IOPS
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.Link
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http://mycloudrevolution.com/
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#Requires PS -Version 4.0
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#Requires -Modules VMware.VimAutomation.Core, @{ModuleName="VMware.VimAutomation.Core";ModuleVersion="6.3.0.0"}
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#>
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[CmdletBinding()]
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param(
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[Parameter(Mandatory=$true, ValueFromPipeline=$True, Position=0)]
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[VMware.VimAutomation.ViCore.Impl.V1.Inventory.InventoryItemImpl[]]
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$VMs,
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[Parameter(Mandatory=$false, Position=1)]
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[int] $Minutes = 30
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)
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Process {
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#region: Global Definitions
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[int]$TimeRange = "-" + $Minutes
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#endregion
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#region: Creating Metrics
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Write-Debug "Starting to Create Metrics..."
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$metrics = "virtualDisk.numberReadAveraged.average","virtualDisk.numberWriteAveraged.average"
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$start = (Get-Date).AddMinutes($TimeRange)
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$stats = Get-Stat -Stat $metrics -Entity $VMs -Start $start
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#endregion
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#region: Creating HD-Tab
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Write-Debug "Starting to Create HD-Tab..."
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$hdTab = @{}
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foreach($hd in (Get-Harddisk -VM $VMs)){
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$controllerKey = $hd.Extensiondata.ControllerKey
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$controller = $hd.Parent.Extensiondata.Config.Hardware.Device | where{$_.Key -eq $controllerKey}
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$hdTab[$hd.Parent.Name + "/scsi" + $controller.BusNumber + ":" + $hd.Extensiondata.UnitNumber] = $hd.FileName.Split(']')[0].TrimStart('[')
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}
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#endregion
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#region: Creating Reports
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Write-Debug "Starting to Process IOPS Report..."
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$reportPerf = @()
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$reportPerf = $stats | Group-Object -Property {$_.Entity.Name},Instance | %{
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New-Object PSObject -Property @{
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VM = $_.Values[0]
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Disk = $_.Values[1]
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IOPSMax = ($_.Group | `
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Group-Object -Property Timestamp | `
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%{$_.Group[0].Value + $_.Group[1].Value} | `
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Measure-Object -Maximum).Maximum
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Datastore = $hdTab[$_.Values[0] + "/"+ $_.Values[1]]
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}
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}
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$reportPerf | Select-Object VM, Disk, Datastore, IOPSMax
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#endregion
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}
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}
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99
Modules/Start-UNMAP.psm1
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99
Modules/Start-UNMAP.psm1
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function Start-UNMAP {
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<#
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.SYNOPSIS
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Process SCSI UNMAP on VMware Datastores
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.DESCRIPTION
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This Function will process SCSI UNMAP on VMware Datastores via ESXCLI -V2
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.Example
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Start-UNMAP -ClusterName myCluster -DSWildcard *RAID5*
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.Example
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Start-UNMAP -ClusterName myCluster -DSWildcard *RAID5* -Verbose -WhatIf
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.Notes
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NAME: Start-UNMAP.psm1
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AUTHOR: Markus Kraus
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LASTEDIT: 23.09.2016
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VERSION: 1.0
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KEYWORDS: VMware, vSphere, ESXi, SCSI, VAAI, UNMAP
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.Link
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http://mycloudrevolution.com/
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#Requires PS -Version 4.0
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#Requires -Modules VMware.VimAutomation.Core, @{ModuleName="VMware.VimAutomation.Core";ModuleVersion="6.3.0.0"}
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#>
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[CmdletBinding(SupportsShouldProcess = $true,ConfirmImpact='High')]
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param(
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[Parameter(Mandatory=$true, Position=0)]
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[String]$ClusterName,
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[Parameter(Mandatory=$true, Position=1)]
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[String]$DSWildcard
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)
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Process {
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$Validate = $true
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#region: PowerCLI Session Timeout
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Write-Verbose "Set Session Timeout ..."
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$initialTimeout = (Get-PowerCLIConfiguration -Scope Session).WebOperationTimeoutSeconds
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Set-PowerCLIConfiguration -Scope Session -WebOperationTimeoutSeconds -1 -Confirm:$False | Out-Null
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#endregion
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#region: Get Cluster
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$Cluster = Get-Cluster -Name $ClusterName -ErrorAction SilentlyContinue
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Write-Verbose "vSphere Cluster: $Cluster"
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if (!$Cluster){Write-Error "No Cluster found!"; $Validate = $false}
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#endregion
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#region: Get Hosts
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$ClusterHosts = $Cluster | Get-VMHost -ErrorAction SilentlyContinue | where {$_.ConnectionState -eq "Connected" -and $_.PowerState -eq "PoweredOn"}
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Write-Verbose "vSphere Cluster Hosts: $ClusterHosts"
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if (!$ClusterHosts){Write-Error "No Hosts found!"; $Validate = $false}
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#endregion
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#region: Get Datastores
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$ClusterDataStores = $Cluster | Get-Datastore -ErrorAction SilentlyContinue | where {$_.Name -like $DSWildcard -and $_.State -eq "Available" -and $_.Accessible -eq "True"}
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Write-Verbose "vSphere Cluster Datastores: $ClusterDataStores"
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if (!$ClusterDataStores){Write-Error "No Datastores found!"; $Validate = $false}
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#endregion
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#region: Process Datastores
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if ($Validate -eq $true) {
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Write-Verbose "Starting Loop..."
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foreach ($ClusterDataStore in $ClusterDataStores) {
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Write-Verbose "vSphere Datastore to Process: $ClusterDataStore"
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$myHost = $ClusterHosts[(Get-Random -Maximum ($ClusterHosts).count)]
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Write-Verbose "vSphere Host to Process: $myHost"
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$esxcli2 = $myHost | Get-ESXCLI -V2
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$arguments = $esxcli2.storage.vmfs.unmap.CreateArgs()
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$arguments.volumelabel = $ClusterDataStore
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$arguments.reclaimunit = "256"
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if ($PSCmdlet.ShouldProcess( $ClusterDataStore,"Starting UNMAP on $myHost")) {
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$stopwatch = [System.Diagnostics.Stopwatch]::StartNew()
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try {
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Write-Output "Starting UNMAP for $ClusterDataStore on $myHost..."
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$esxcli2.storage.vmfs.unmap.Invoke($arguments)
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}
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catch {
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Write-Output "A Error occured: " "" $error[0] ""
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}
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$stopwatch.Stop()
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Write-Output "UNMAP duration: $($stopwatch.Elapsed.Minutes)"
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}
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}
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}
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else {
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Write-Error "Validation Failed. Processing Loop Skipped!"
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}
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#endregion
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#region: Revert PowerCLI Session Timeout
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Write-Verbose "Revert Session Timeout ..."
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Set-PowerCLIConfiguration -Scope Session -WebOperationTimeoutSeconds $initialTimeout -Confirm:$False | Out-Null
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#endregion
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}
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}
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