To get all datastores with Naa id of an ESX host

$esxName = "ESX Name"
$tmp = @()

Get-VMHost -Name $esxName | Get-Datastore |

Where-Object {$_.ExtensionData.Info.GetType().Name -eq "VmfsDatastoreInfo"} |

ForEach-Object {

if ($_)

{

$Datastore = $_

$tmp += $Datastore.ExtensionData.Info.Vmfs.Extent | Select-Object -Property @{Name="Name";Expression={$Datastore.Name}},DiskName

}

}

$tmp | export-csv -NotypeInformation diskinfo.csv