Public/Get-VPLEXDatastorePreferedPathStats.ps1
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Function Get-VPLEXDatastorePreferedPathStats { <# .SYNOPSIS Generate statistics on VPLEX's datastores prefered paths. .DESCRIPTION Generate statistics on VPLEX's datastores prefered paths. .NOTES Written by Erwan Quelin under MIT licence .LINK https://github.com/equelin/VPLEX-Powershell .PARAMETER VMHost Specify one or more VMHost. .EXAMPLE Get-VPLEXDatastorePreferedPathStats Generate statisitcs on all hosts and all datastores .EXAMPLE Get-VPLEXDatastorePreferedPathStats -VMHost 'esx1.example.com' Generate statisitcs on all datastore og host 'esx1.example.com' #> [CmdletBinding()] Param( [Parameter(Mandatory = $false,HelpMessage = 'Please provide one or more ESXi Host')] $VMHost = (Get-VMHost) ) #Variable's initialization $i = 0 $result = @{} #Working on each host ForEach ($VMH in $VMHost) { If ($VMH = Get-VMHost $VMH -ErrorAction "SilentlyContinue") { #Verifying if host exist Write-Verbose "Working on host $($VMH.Name)" $lunTab = @{} #Populate hastable with LUN Try { $VMH | Get-ScsiLun | %{$lunTab.Add($_.CanonicalName,$_)} Write-Verbose "Retrieving LUN / Datastore infos on VMHost: $($VMH.Name)" } Catch { Write-Host "Error while trying to get the list of LUN / Datastores" Write-Host $_.Exception.Message exit } $Datastores = $VMH | Get-Datastore | where { $_.ExtensionData.Info.Vmfs.Extent.DiskName -match "^naa.6000144" } #Retrieving VPLEX's datastores #Working on each datastores connected to the host ForEach ($DS in $Datastores) { Write-Verbose "Working on datastore $($DS.Name)" $Path = Get-ScsiLunPath -ScsiLun $lunTab[$DS.ExtensionData.Info.Vmfs.Extent.DiskName] | where-Object { $_.Preferred -eq $true } #Retrieving prefered lun path $i++ #Increment path total count $result[$path.SanID] = $result[$path.SanID] + 1 #Increment path count for the specific SanID } } else {Write-Verbose "Host $VMH does not exist or is not reachable"} } Write-Verbose "Formating result" ForEach ($key in ($result.keys | Sort-Object)) { $object = New-Object -TypeName PSObject Add-Member -InputObject $object -MemberType NoteProperty -Name SanID -Value $key Add-Member -InputObject $object -MemberType NoteProperty -Name Paths -Value $result[$key] Add-Member -InputObject $object -MemberType NoteProperty -Name Percentage -Value ([math]::round((($result[$key] * 100) / $i),2)) Write-Output $object } Write-Verbose "Total paths: $i" } |