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Cozumpark Bilisim Portali
Posted in Virtual Machine Manager, Windows Powershell, Windows Server | No Comment | 1,738 views | 25/03/2014 16:44

You can use this script to move your VMs into another Cloud (Cloud Migration) and Cluster on SCVMM 2012 R2.
This script only works on SCVMM 2012 R2 due to vHBA control.
You can remove vHBA control to make it work on SCVMM 2012 SP1.

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# Parameters
$DestinationCloud = "New Cloud"
$DestinationHostCluster = "cluster.domain.com"
 
# Create VM Array
$VMArray = New-Object System.Collections.ArrayList
$VMArray.Clear();
 
# Add VMs into Array
$AddArray = $VMArray.Add("VM01")
$AddArray = $VMArray.Add("VM02")
$AddArray = $VMArray.Add("VM03")
$AddArray = $VMArray.Add("VM04")
 
# Get Destination Cloud
$Cloud = Get-SCCloud -Name $DestinationCloud
 
# Cloud Host Group Path
$HostGroupPath = (($Cloud.HostGroup)[0]).Path + "*"
 
foreach ($VMName in $VMArray)
{
	# Get VM
	$VM = Get-SCVirtualMachine -Name $VMName
 
	# Output
	Write-Host VM Name: $VMName
	Write-Host " "
 
	if ($VM.HasPassthroughDisk -eq $False -and $VM.HasVirtualFibreChannelAdapters -eq $False)
	{
		# Current Cloud
		$CurrentCloud = Get-SCCloud -Name $VM.Cloud.Name
 
		# Current Hyper-V Host
		$CurrentVMHost = Get-SCVMHost -ComputerName $VM.VMHost.Name
 
		# Create Job Guid
		$JobGuid = [System.Guid]::NewGuid().toString()
 
		# Remove from Cloud
		$SetCloud = $VM | Set-SCVirtualMachine -RemoveFromCloud
 
		# Get Best Available Hyper-V Host
		if ($DestinationHostCluster)
		{
			$VMHostName = (@(Get-SCVMHost | Where {$_.VMHostGroup -like $HostGroupPath -and $_.HostCluster.Name -eq $DestinationHostCluster -and $_.CoresPerCPU -eq $CurrentVMHost.CoresPerCPU -and $_.CPUArchitecture -eq $CurrentVMHost.CPUArchitecture -and $_.CPUFamily -eq $CurrentVMHost.CPUFamily } | Select Name,AvailableMemory | Sort AvailableMemory -Descending)[0]).Name
		}
		else
		{
			$VMHostName = ((Get-SCVMHost | Where {$_.VMHostGroup -like $HostGroupPath -and $_.CoresPerCPU -eq $CurrentVMHost.CoresPerCPU -and $_.CPUArchitecture -eq $CurrentVMHost.CPUArchitecture -and $_.CPUFamily -eq $CurrentVMHost.CPUFamily } | Select Name,AvailableMemory | Sort AvailableMemory -Descending)[0]).Name
		}
 
		if ($VMHostName)
		{
			# Output
			Write-Host Target Host: $VMHostName
 
			# Get Best Available CSV
			$VolumeName = ((Get-SCStorageVolume | Where {$_.VMHost -eq $VMHostName -and $_.IsClusterSharedVolume -eq $True} | Select Name,FreeSpace | Sort FreeSpace -Descending)[0]).Name
 
			# Output
			Write-Host Target Volume: $VolumeName
			Write-Host " "
 
			# Get Hyper-V Host Information
			$VMHost = Get-SCVMHost -ComputerName $VMHostName
			[int64]$VMHostAvailableMemory = [int64]$VMHost.AvailableMemory + 10240 		# Leave 10 GB Available Memory
 
			# Get CSV Information
			$Volume = Get-SCStorageVolume -Name $VolumeName -VMHost $VMHostName
			[int64]$VolumeFreeSpace = [int64]$Volume.FreeSpace + 107374182400 			# Leave 100 GB Free Space
 
			# Control Free Memory
			if ($VM.Memory -lt $VMHostAvailableMemory -and $VM.TotalSize -lt $VolumeFreeSpace)
			{
				# Get Virtual Network Adapters
				$VirtualNetworkAdapters = $VM | Get-SCVirtualNetworkAdapter
 
				foreach ($VirtualNetworkAdapter in $VirtualNetworkAdapters)
				{
					# Clear VM Network
					$VMNetwork = $Null;
 
					# Get VM Network
					$VMNetwork = Get-SCVMNetwork | Where {$_.Name -eq $VirtualNetworkAdapter.VMNetwork.Name}
 
					if (!$VMNetwork)
					{
						$VMNetwork = Get-SCVMNetwork | Where {$_.VMSubnet.SubnetVLANs.VLanID -eq $VirtualNetworkAdapter.VLanID}
					}
 
					# Destination Virtual Network
					$VirtualNetwork = ((Get-VM -Cloud $Cloud | Where {$_.VirtualNetworkAdapters.VMNetwork.Name -eq $VirtualNetworkAdapter.VMNetwork.Name -and $_.VirtualNetworkAdapters.VirtualNetwork})[0]).VirtualNetworkAdapters.VirtualNetwork
 
					# Set VM Network Adapter
					$SetSCVirtualNetworkAdapter = Set-SCVirtualNetworkAdapter -VirtualNetworkAdapter $VirtualNetworkAdapter -VirtualNetwork $VirtualNetwork -VMNetwork $VMNetwork -JobGroup $JobGuid
				}
 
				# Move VM
				$MoveSCVirtualMachine = $VM | Move-SCVirtualMachine -VMHost $VMHostName -HighlyAvailable $True -UseLAN -UseDiffDiskOptimization -JobGroup $JobGuid -Path $VolumeName
 
				Write-Host "Migration process is finished."
				Write-Host "Please check job results to ensure that if operation is successful.."
				Write-Host " "
				Write-Host " "
 
				# Set Cloud
				$SetCloud = $VM | Set-SCVirtualMachine -Cloud $Cloud
 
				# Refresh VM
				$RefreshVM = $VM | Refresh-VM
			}
			else
			{
				Write-Host "Not enough resources to move VM.."
				Write-Host "Skipping migration.."
				Write-Host " "
				Write-Host " "
 
				# Set Cloud
				$SetCloud = $VM | Set-SCVirtualMachine -Cloud $CurrentCloud
			}
		}
		else
		{
			Write-Host "There is no available host to migrate VM.."
			Write-Host "Skipping migration.."
			Write-Host " "
			Write-Host " "
		}
	}
	else
	{
		Write-Host "VM has Pass-through disks or vHBA.."
		Write-Host "Skipping migration.."
		Write-Host " "
		Write-Host " "
	}
}

After migrations, please check SCVMM job results to see if migrations are successful.

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