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Sep 19 2014

HOWTO: Verify free space on C: for all servers with PowerShell

We will be applying production windows updates to all of our production servers shortly and I wanted to manually verify that we had at least 2GB free on all of our C: drives in preparation for the update.  We have automated monitoring systems but I wanted to grab the information directly to ensure it was accurate.  I exported a list of all of our servers into a text file and ran the following PowerShell to produce a list of all of the C: drives free space.  I then copied and pasted this into Excel.  Quick and dirty but it works great.

 

$computers = Import-Csv c:\temp\hostlist.txt

$computers | % {
$Results = Get-WmiObject Win32_LogicalDisk -ComputerName $_.ServerList -Filter “DeviceID=’C:'” -ErrorAction SilentlyContinue |
Select-Object Size,@{Name=”FreeSize”;Expression={“{0:N1}” -f($_.freespace/1gb) } }
if ($? -eq $True) { Write-Host $Computer.ServerList $Results.FreeSize }
}

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