Connect-VIServer itdvmvc1.nd.gov -Credential $PrvCred

$BisSQLVMs = [System.Collections.ArrayList]@()
$BisSQLVMs += Get-DatastoreCluster WINDOWS1* | Get-VM -Tag 'SQL MSDN' | sort-object Name
$BisSQLVMs += Get-DatastoreCluster WINDOWS1* | Get-VM -Tag 'SQL Enterprise Academic' | sort-object Name
$BisSQLVMs += Get-DatastoreCluster WINDOWS1* | Get-VM -Tag 'SQL Standard' | sort-object Name
$BisSQLVMs = $BisSQLVMs | sort-object -Descending ProvisionedSpaceGB


# SQL / IndPer first
ForEach ($VM in $BisSQLVMs) {
    $DatastoreDestination = Get-DatastoreCluster WINDOWS1_FS92_SQL
    $VM | Move-VM -DiskStorageFormat Thick -Datastore $DatastoreDestination
}

$BisVMs = Get-DatastoreCluster WINDOWS1_A9K_General | Get-VM | Sort-Object -Descending UsedSpaceGB
$DatastoreDestination = Get-DatastoreCluster WINDOWS1_FS92_General
ForEach ($VM in $BisVMs) {
    $wait = $true
    $DatastoreHighestFreeSpaceGB = $DatastoreDestination | Get-Datastore | Sort-Object -Descending FreeSpaceGB | Select -First 1
    If($VM.UsedSpaceGB -gt $DatastoreHighestFreeSpaceGB.FreeSpace)
    {
        While ($wait -eq $true) {
            $tasks = Get-Task | where-object { $_.Name -like "Relocate*" -or $_.Name -like "ApplyStorageDrsRecommendation*" } | where-object { $_.State -eq "Running" }
            If (@($tasks).count -lt 3) {
                $wait = $false
            }
            else {
                $wait = $true
                Write-Warning ("[$VM]:Start sleep " + (Get-Date))
                Write-Verbose @($tasks).count
                Start-Sleep -Seconds 20
            }
        }
        $VM | Move-VM -Datastore $DatastoreDestination
        Start-Sleep -Seconds 10
    }
    Else
    {
        Write-Error ("Not enough free space available for " + $VM.Name + ".  Available: " + $DatastoreHighestFreeSpaceGB.FreeSpaceGB + "GB available, " + $VM.UsedSpaceGB + "GB required.") -ErrorAction Stop
        Stop
        Exit
    }
}