Function Get-VSANVersion {
<#
    .NOTES
    ===========================================================================
     Created by:    William Lam
     Organization:  VMware
     Blog:          www.virtuallyghetto.com
     Twitter:       @lamw
        ===========================================================================
    .DESCRIPTION
        This function retreives the vSAN software version for both VC/ESXi
    .PARAMETER Cluster
        The name of a vSAN Cluster
    .EXAMPLE
        Get-VSANVersion -Cluster VSAN-Cluster
#>
   param(
        [Parameter(Mandatory=$true)][String]$Cluster
    )
    $vchs = Get-VSANView -Id "VsanVcClusterHealthSystem-vsan-cluster-health-system"
    $cluster_view = (Get-Cluster -Name $Cluster).ExtensionData.MoRef
    $results = $vchs.VsanVcClusterQueryVerifyHealthSystemVersions($cluster_view)

    Write-Host "`nVC Version:"$results.VcVersion
    $results.HostResults | Select Hostname, Version
}