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CreateVMInLibraryMoveToHost.ps1

Updated: February 19, 2009

Applies To: Virtual Machine Manager 2008, Virtual Machine Manager 2008 R2, Virtual Machine Manager 2008 R2 SP1

You can create virtual machines in the library from a blank virtual hard disk, from an existing virtual hard disk, or from an existing virtual machine. To use the virtual machine, deploy it to a host by using the Move-VM cmdlet. To store a virtual machine in the library, you must stop the virtual machine, shut down the virtual machine, or place the virtual machine in a saved state. Then, you can use the Store-VM cmdlet to store the virtual machine.

The following script creates a virtual machine in the library from a blank virtual hard disk. Then, the script deploys the virtual machine on the best-rated host in the host group. Finally, the script stops the virtual machine and stores it in the library.

Disclaimer

# Filename:        CreateVMinLibraryMovetoHost.ps1
# Description:     Creates a virtual machine from a blank
#                  virtual hard disk and stores the virtual
#                  machine in the library. Then, the script deploys 
#                  the virtual machine to an appropriate host based 
#                  on host ratings. Finally, the script stops the 
#                  virtual machine and stores it in the library.

# Connect to the Virtual Machine Manager (VMM) server.

$VMMServer = Get-VMMServer -ComputerName "VMMServer1.contoso.com"

# Get the library server and provide the library share path.

$VMMLibrary = Get-LibraryServer -VMMServer $VMMServer -ComputerName "VMMLibrary.Contoso.com"
$VMMLibraryPath = "\\VMMLibrary.Contoso.com\LibraryShare\VMs"

# Supply a name for the virtual machine and a virtual hard disk  
# from which to create the virtual machine.

$VMName = "VM01"
$VHD = Get-VirtualHardDisk | where { $_.Name -eq "Blank Disk - Small" }

# Supply the host group in which to deploy the virtual machine later in the script.

$VMHostGroup = Get-VMHostGroup -Name "All Hosts"

# Create a virtual machine and place it in the library.

New-VM -Name $VMName -LibraryServer $VMMLibrary -SharePath $VMMLibraryPath -VirtualHardDisk $VHD -Description "Virtual machine created in the library" -Owner "CONTOSO\Phyllis" -RunAsSystem -StartAction NeverAutoTurnOnVM -StopAction SaveVM 

# Pause the script for 30 seconds to verify that the virtual machine exists in the library.
Start-Sleep -s 30

# Deploy the virtual machine to an appropriate host based on host ratings.

# Get and sort the host ratings for all the hosts in the host group.
$HostRatings = @(Get-VMHostRating -VM $VMName -VMHostGroup $VMHostGroup | where { $_.Rating -gt 0 } | Sort-Object -property Rating -descending)

If($HostRatings.Count -eq "0") { throw "No hosts meet the requirements." }

# If there is at least one host that will support the virtual machine,
# move the virtual machine to the highest-rated host.

If ($HostRatings.Count -ne 0)
{
   $VMHost = $HostRatings[0].VMHost
   $VMPath = $HostRatings[0].VMHost.VMPaths[0]

   # Move the virtual machine.
   Write-Host "Moving $VMName to $VMHost"
   Move-VM -VM $VMName -VMHost $VMHost -Path $VMPath -StartVMOnTarget

   # Pause the script for 30 seconds to verify that the virtual machine was deployed on the host.
   Start-Sleep -s 30

   # Stop the virtual machine and then store it in the library.

   Stop-VM -VM $VMName
   Write-Host "Moving $VMName to $VMMLibraryPath"
   Store-VM -VM $VMName -LibraryServer $VMMLibrary -SharePath $VMMLibraryPath -RunAsynchronously
}
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