tbd

preferred_node

function Move-VMsToPreferredNodes {
       try {
             #lets make sure the c:\rs-pkgs folder exists
             #if it does not we will create it       
             $TARGETDIR = 'C:\rs-pkgs'
             if (!(Test-Path -Path $TARGETDIR)) {
                    New-Item -ItemType directory -Path $TARGETDIR
             }
             #now we will identify all HA VMs
             $haVMs = get-vm | ? { $_.IsClustered -eq $true }
             foreach ($vm in $haVMs) {
                    #lets loop through all HA VMs and find their current location and their preferred owner node
                    $preferredObject = Get-ClusterGroup $vm.name | Get-ClusterOwnerNode | Select-Object -ExpandProperty OwnerNodes
                    $currentLocation = Get-ClusterGroup $vm.name | Select-Object -ExpandProperty OwnerNode
                    if ($preferredObject -ne $null) {
                           #if there is a preferred owner set we will see if we are currently on it
                           if ($currentLocation -eq $preferredObject.Name) {
                                 #we are already on the preferred owner, no action necessary
                                 $log = Write-Host $vm.name " is on its preffered node of " $preferredObject.Name
                                 $log | Out-File C:\rs-pkgs\Move-VMsToPreferredNodes.txt -Append
                           }
                           else {
                                 #we are not on the preferred owner, initia LM to the preferred owner node ONLY if it is up
                                 if ($preferredObject.State -eq "Up") {
                                        $log = $vm.Name + " currently on " + $currentLocation + " which is not its preferred owner"
                                        $log += "Moving " + $vm.name + " to it's preffered node " + $preferredObject.Name
                                        Get-VM $vm.name | Move-ClusterVirtualMachineRole -MigrationType Live -Node $preferredObject.Name -Wait 0
                                        $log | Out-File C:\rs-pkgs\Move-VMsToPreferredNodes.txt -Append
                                 }
                                 else {
                                        #the preferred owner isn't up - take no action
                                        $log = $vm.Name + " currently on " + $currentLocation + " which is not its preferred owner"
                                        $log += " No action was taken though because the preferred owner is not up right now."
                                        $log | Out-File C:\rs-pkgs\Move-VMsToPreferredNodes.txt -Append
                                 }
                           }
                    }
                    else {
                           #no action taken here because the VM has no preferred owner set
                           $log = $vm.Name + " does not have a preferred owner set"
                           $log | Out-File C:\rs-pkgs\Move-VMsToPreferredNodes.txt -Append
                    }
             }
       }
       catch {
             $_ | Out-File C:\rs-pkgs\Move-VMsToPreferredNodes.txt -Append
       }
}