When you do a lot of deployments whitin your Windows 8.1 Client Hyper-V machine, the disk space is getting more and more. Because I’ve only one SSD drive of 250 GB, the free space becomes critical. I’ve got to find a way to reduce it. I read a few blogs and found a solution which is the dedup. But data deduplication is not available whitin Windows 8.1.
This method is not officially supported by Microsoft ,however found a way to save my disk space.
This method requires the CAB files from the Windows Server 2012 R2. Either you can get those files from a Windows Server 2012 R2 or you can download the files from my OneDrive here.
The files are as follow :
I downloaded the files to a folder as below and installed all the CAB files:
Next step is to install the CAD files on your Windows 8.1 machine. I’ve used DISM to install these files.
After you’ve succesfully installed the CAB files, you’re able to install the “Data Deduplication” role. I’ve also used DISM (see screenshot below).
The next step is to enable Data Deduplication on the volume or volumes. First I’ve readthe current free space on my E: drive. After enabling Data Deduplication on this volume, I’ve manually started the Data Dedup task.
But after enabling Data Depuplication and running the Dedup Job, there’s nothing happening!! Why?? Because the minimumFileAgeDays is 3 and my files on the hard drives are 2 days old So I’ve added the MinimumFileAgeDays to 0 (zero days). After running the Dedup Job again, let’s have a look on the current free space!! Dedup is doing his job!!! Cool!
The final screenshot are the commands I’ve used to configure this in my lab environment. Once again, this method is not officially supported by Microsoft.It’s a great way to save some disk space on your expensive SSD hard drive! Now you can deploy more virtual machines on the same hard drive, so happy automation and deployment!!