Hi,
I am getting below error on vCenter 6.5 and ESXi 6.5, however, this script run fine on vCenter 5.5 and ESXi 5.5 without any errors.
Please help...
Output
Index operation failed; the array index evaluated to null.
At D:\myreports\Free_LUNs_Info\Prod1_Compute_Free_LUNs_Info.ps1:71 char:11
+ $scsiTab[$key] = $_.CanonicalName,"",$capacityGB,$lunId,""
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : NullArrayIndex
You cannot call a method on a null-valued expression.
At D:\myreports\Free_LUNs_Info\Prod1_Compute_Free_LUNs_Info.ps1:66 char:11
+ $key = $esxImpl.ExtensionData.config.Network.DnsConfig.Hostname + "-" ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : InvokeMethodOnNull
Index operation failed; the array index evaluated to null.
At D:\myreports\Free_LUNs_Info\Prod1_Compute_Free_LUNs_Info.ps1:71 char:11
+ $scsiTab[$key] = $_.CanonicalName,"",$capacityGB,$lunId,""
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : NullArrayIndex
Cannot index into a null array.
At D:\myreports\Free_LUNs_Info\Prod1_Compute_Free_LUNs_Info.ps1:84 char:4
+ $scsiTab[$key][1] = $dsName
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : NullArray
Cannot index into a null array.
At D:\myreports\Free_LUNs_Info\Prod1_Compute_Free_LUNs_Info.ps1:85 char:13
+ $scsiTab[$key][4] = $dscName
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : NullArray
Script
#Script
$clus = "Compute"
$date = Get-Date -format dd-MMM-yyyy
$csvName = "d:\reports\Free_LUNs_Info_$date.xlsx"
$rndNum = Get-Random -Maximum 99999
$LunInfoDef = @"
public string ClusterName;
public string CanonicalName;
public string UsedBy;
public string DSC;
public string SizeGB;
"@
$LunInfoDef = "public struct LunInfo" + $rndNum + "{`n" + $LunInfoDef
$esxServers = Get-Cluster $clus | Get-VMHost | Sort-Object -Property Name
$esxServers | %{
$LunInfoDef += ("`n`tpublic string " + ($_.ExtensionData.config.Network.DnsConfig.Hostname) + ";")
}
$LunInfoDef += "`n}"
Add-Type -Language CsharpVersion3 -TypeDefinition $LunInfoDef
$scsiTab = @{}
$esxServers | %{
$esxImpl = $_
# Get SCSI LUNs
if(([Version]$esxImpl.Version).Major -lt 6){
$esxImpl | Get-ScsiLun | where {$_.LunType -eq "Disk"} | %{
$key = $esxImpl.ExtensionData.config.Network.DnsConfig.Hostname + "-" + $_.CanonicalName.Split(".")[1]
if(!$scsiTab.ContainsKey($key)){
$lunId = $_.RuntimeName.Split('L')[1]
$scsiTab[$key] = $_.CanonicalName,"",$_.CapacityGB,$lunId,""
}
}
}
Else{
$esxImpl.ExtensionData.Config.StorageDevice.ScsiLun | Where-Object{$_.LunType -eq 'disk'} |%{
$key = $esxImpl.ExtensionData.config.Network.DnsConfig.Hostname + "-" + $_.DiskName.Split(".")[1]
$capacityGB = $_.Capacity.Block * $_.Capacity.BlockSize / 1GB
$lunUuid = $_.Uuid
$lun = $esxImpl.ExtensionData.Config.StorageDevice.MultipathInfo.Lun | Where-Object{$_.Id -eq $lunUuid}
$lunId = $lun.Path[0].Name.Split('L')[1]
$scsiTab[$key] = $_.CanonicalName,"",$capacityGB,$lunId,""
}
}
# Get the VMFS datastores
$esxImpl | Get-Datastore | Where-Object {$_.Type -eq "VMFS"} | Get-View | %{
$dsName = $_.Name
$dscName = ''
if($_.Parent.Type -eq 'StoragePod'){
$dscName = Get-View -Id $_.Parent -Property Name -Server $esxImpl.Uid.Split('@')[1].Split(':')[0] | Select -ExpandProperty Name
}
$_.Info.Vmfs.Extent | %{
$key = $esxImpl.ExtensionData.config.Network.DnsConfig.Hostname + "-" + $_.DiskName.Split(".")[1]
$scsiTab[$key][1] = $dsName
$scsiTab[$key][4] = $dscName
}
}
}
# Get the RDM disks
Get-Cluster $clus | Get-VM | Get-View | %{
$vm = $_
$vm.Config.Hardware.Device | Where-Object {$_.gettype().Name -eq "VirtualDisk"} | %{
if($_.Backing.PSObject.Properties['CompatibilityMode'] -and "physicalMode","virtualMode" -contains $_.Backing.CompatibilityMode){
$disk = $_.Backing.LunUuid.Substring(10,32)
$key = (Get-View $vm.Runtime.Host).config.Network.DnsConfig.Hostname + "-" + $disk
$scsiTab[$key][1] = $vm.Name + "/" + $_.DeviceInfo.Label
}
}
}
$scsiTab.GetEnumerator() | Group-Object -Property {$_.Key.Split("-")[1]} | %{
$lun = New-Object ("LunInfo" + $rndNum)
$lun.ClusterName = $clus
$_.Group | %{
$esxName = $_.Key.Split("-")[0]
$lun.$esxName = $_.Value[3]
if(!$lun.CanonicalName){$lun.CanonicalName = $_.Value[0]}
if(!$lun.UsedBy){$lun.UsedBy = $_.Value[1]}
if(!$lun.SizeGB){$lun.SizeGB = [math]::Round($_.Value[2],0)}
$lun.DSC = $_.Value[4]
}
$lun
} | Export-Excel -Path $csvName -AutoFilter -AutoSize -WorksheetName VM_Free_Disk_Info
