LUN report – datastore, RDM and node visibility

param($clusName,$csvName=("C:\Temp\" + $clusName + "-LUN.csv"))

 

$rndNum = Get-Random -Maximum 99999

 

$LunInfoDef = @"

public string ClusterName;

public string CanonicalName;

public string UsedBy;

public string SizeMB;

"@

$LunInfoDef = "public struct LunInfo" + $rndNum + "{`n" + $LunInfoDef

 

$esxServers = Get-Cluster | Get-VMHost | Sort-Object -Property Name

$esxServers | %{

$LunInfoDef += ("`n`tpublic string " + ($_.Name.Split(".")[0]) + ";")

}

$LunInfoDef += "`n}"

$scsiTab = @{}

$esxServers | %{

$esxImpl = $_

 

$esxImpl | Get-ScsiLun | where {$_.LunType -eq "Disk"} | %{

 

$key = $esxImpl.Name.Split(".")[0] + "-" + $_.CanonicalName.Split(".")[1]

if(!$scsiTab.ContainsKey($key)){

 

$scsiTab[$key] = $_.CanonicalName,"",$_.CapacityMB

}

}

# Get the VMFS datastores

$esxImpl | Get-Datastore | where {$_.Type -eq "VMFS"} | Get-View | %{

$dsName = $_.Name

$_.Info.Vmfs.Extent | %{

$key = $esxImpl.Name.Split(".")[0] + "-" + $_.DiskName.Split(".")[1]

$scsiTab[$key] = $scsiTab[$key][0], $dsName, $scsiTab[$key][2]

}

}

}

# Get the RDM disks

Get-Cluster | Get-VM | Get-View | %{

$vm = $_

$vm.Config.Hardware.Device | where {$_.gettype().Name -eq "VirtualDisk"} | %{

if("physicalMode","virtualmode" -contains $_.Backing.CompatibilityMode){

$disk = $_.Backing.LunUuid.Substring(10,32)

$key = (Get-View $vm.Runtime.Host).Name.Split(".")[0] + "-" + $disk

$scsiTab[$key][1] = $vm.Name + "/" + $_.DeviceInfo.Label

}

}

}

Add-Type -Language CsharpVersion3 -TypeDefinition $LunInfoDef

 

 

# Get SCSI LUNs

$scsiTab.GetEnumerator() | Group-Object -Property {$_.Key.Split("-")[1]} | %{

$lun = New-Object ("LunInfo" + $rndNum)

$lun.ClusterName = $clusName

$_.Group | %{

$esxName = $_.Key.Split("-")[0]

$lun.$esxName = "ok"

if(!$lun.CanonicalName){$lun.CanonicalName = $_.Value[0]}

if(!$lun.UsedBy){$lun.UsedBy = $_.Value[1]}

if(!$lun.SizeMB){$lun.SizeMB = $_.Value[2]}

 

}

$lun

}

Export-Csv $csvName -NoTypeInformation -UseCulture

Invoke-Item $csvName