$vmName = "VM*"$stat = "datastore.totalReadLatency.average","datastore.totalWriteLatency.average", "datastore.numberReadAveraged.average","datastore.numberWriteAveraged.average"$entity = Get-VM -Name $vmName$start = (Get-Date).AddHours(-1)$dsTab = @{}Get-Datastore | Where {$_.Type -eq "VMFS"} | %{ $key = $_.ExtensionData.Info.Vmfs.Uuid if(!$dsTab.ContainsKey($key)){ $dsTab.Add($key,$_.Name) } else{ "Datastore $($_.Name) with UUID $key already in hash table" }}Get-Stat -Entity $entity -Stat $stat -Start $start |Group-Object -Property {$_.Entity.Name} | %{ $vmName = $_.Values[0] $VMReadLatency = $_.Group | where {$_.MetricId -eq "datastore.totalReadLatency.average"} | Measure-Object -Property Value -Average | Select -ExpandProperty Average $VMWriteLatency = $_.Group | where {$_.MetricId -eq "datastore.totalWriteLatency.average"} | Measure-Object -Property Value -Average | Select -ExpandProperty Average $VMReadIOPSAverage = $_.Group | where {$_.MetricId -eq "datastore.numberReadAveraged.average"} | Measure-Object -Property Value -Average | Select -ExpandProperty Average $VMWriteIOPSAverage = $_.Group | where {$_.MetricId -eq "datastore.numberWriteAveraged.average"} | Measure-Object -Property Value -Average | Select -ExpandProperty Average $_.Group | Group-Object -Property Instance | %{ New-Object PSObject -Property @{ VM = $vmName Host = $_.Group[0].Entity.Host.Name Datastore = $dsTab[$($_.Values[0])] Start = $start DSReadLatencyAvg = [math]::Round(($_.Group | where {$_.MetricId -eq "datastore.totalReadLatency.average"} | Measure-Object -Property Value -Average | Select -ExpandProperty Average),2) DSWriteLatencyAvg = [math]::Round(($_.Group | where {$_.MetricId -eq "datastore.totalWriteLatency.average"} | Measure-Object -Property Value -Average | Select -ExpandProperty Average),2) VMReadLatencyAvg = [math]::Round($VMReadLatency,2) VMWriteLatencyAvg = [math]::Round($VMWriteLatency,2) VMReadIOPSAvg = [math]::Round($VMReadIOPSAverage,2) VMWriteIOPSAvg = [math]::Round($VMWriteIOPSAverage,2) } }} | Export-Csv E:\SA\report.csv -NoTypeInformation -UseCulture