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Detect disk space used remotely

Written by Xaus Xavier Nadal on October 9th, 2012

Today I needed to know what was the disk usage of multiple remote servers to a study of performance and provide a tailored solution to a customer who wants to virtualize your physical server environment.

Performing the query using powershell get have never had to connect to each server and get a quick and accurate results. This way we can adjust more disk consumption of future migrated server.

As you can see in order to make the query I used powershell and the command get-wmiobject along with the class win32_LogicalDisk, I also used some switches to show us the records we'd mapped network drives or cd-rom (since we do not want to know this information).

The specific value of disk usage that I know I can not refer directly and I had to do a subtraction between the value size and value FreeSpace.

I pass the entire command and the result obtained.

get-wmiobject -class "win32_LogicalDisk" -computername server1, server2 | where {$ _. DriveType-like "3"} | ft __SERVER, deviceid, @ {expression = {($ _ Size.) - ($ _ FreeSpace.) }, label = "UsedSpace"} -auto

Deviceid __SERVER UsedSpace
---------
server1 C: 169078034432
server1 D: 117450104832
server2 C: 7788908544
server2 D: 8210206720

As you can see only show the physical drives (not network drives or CD-ROM drives, etc. ..) this is because we use the value DriveType, I show different values ​​depending on what you want to obtain.

"3"- Local disks.

"4"- Network disks.

"5"- CD-rom.

I hope you like me as aid has served me.

Also you can see the result in GB ... with the following command ... and some data ...

gwmi-class "win32_LogicalDisk"-computername server1, server2| Where {$ _. DriveType-like "3"} | ft __SERVER,deviceid,@{expression={($_.Size/1GB)-($_.FreeSpace/1GB)};label=”Used_Space”},@{expression={($_.FreeSpace/1GB)};label=”Free_Space”},@{expression={($_.Size/1GB)};label=”Total_Size”} -auto

Greetings and see you soon.

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