Espacio libre en disco mount points

Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010

$TotalGB = @{Name="Capacity(GB)";expression={[math]::round(($_.Capacity/ 1073741824),2)}}
$FreeGB = @{Name="FreeSpace(GB)";expression={[math]::round(($_.FreeSpace / 1073741824),2)}}
$FreePerc = @{Name="Free(%)";expression={[math]::round(((($_.FreeSpace / 1073741824)/($_.Capacity / 1073741824)) * 100),0)}}

function get-mountpoints {
$volumes = Get-WmiObject -computer $server win32_volume | Where-object {$_.DriveLetter -eq $null}
$volumes | Select SystemName, Label, $TotalGB, $FreeGB, $FreePerc | Format-Table -AutoSize
}

$servers = (Get-Content .\servers.txt)

foreach ($server in $servers){
get-mountpoints
}