Skip to main content

Manually start a data deduplication with PowerShell

By

In some cases you may want to manually start an deduplication process on your Windows Server 2012 storage devices that are configured for data deduplication.

Here we see the same set of files located in three different areas of our e: drive.

clip_image001

To do this, utilize PowerShell.

Type Get-DedupVolume

clip_image002

Since we have not performed any deduplication, we do not have any savings.

Type: Start-DedupJob –Full –Path e: -Type Optimization

You can get the results by typing Get-DedupJob

clip_image003

The Data Deduplication Service is set to manual because it is either activated via a scheduled task or by PowerShell

clip_image004

By executing Get-DedupStatus –Path e:

clip_image005

Since only files that are greater than 32KB can be optimized by data deduplication, only the files that start with Colors will be processed. The total size of these files are 1053KB per instance. The SavedSpace attribute reflects the removed duplicate data plus the reference pointers for the removed data to a full copy of that data.

Labels:

Comments

Anonymous said…
That's a great post.
Thanks a lot!
February 13, 2013 at 8:16 AM
Anonymous said…
Great post.
Thanks!!
February 13, 2013 at 8:36 AM
Anonymous said…
Just used this and it worked great! Thanks for the info!
January 2, 2015 at 10:46 AM
Unknown said…
Thanks for this article. Excellent job
March 30, 2015 at 2:35 PM
Anonymous said…
Brilliant, saves waiting for the schedule to kick in after 3 days

:)
September 23, 2017 at 4:16 AM
Post a Comment

Popular posts from this blog

How to run GPResult on a remote client with PowerShell

By
In the past, to run the GPResult command, you would need to either physically visit this client, have the user do it, or use and RDP connection.  In all cases, this will disrupt the user.  First, you need PowerShell remoting enabled on the target machine.  You can do this via Group Policy . Open PowerShell and type this command. Invoke-Command –ScriptBlock {GPResult /r} –ComputerName <ComputerName> Replace <ComputerName> with the name of the target.  Remember, the target needs to be online and accessible to you.
Post a Comment
Read more

Set up your Environment to utilize Invoke-GPUpdate

By
I’m sitting in O’Hare enjoying my 3 hour layover as I get ready to teach a Windows 10 class in Fort Wayne.  I’m actually prepping for my class in Fort Wayne in a few weeks, 10982 Supporting and Troubleshooting Windows 10.  This class is very much like the Windows 7 version that I used to teach so I decided to up the detail quite a bit.  In the GPO troubleshootin chapter, I’m including a demonstration on how to use PowerShell’s Invoke-GPUpdate.  I needed to make sure the environment is set up for me to be able to utilize this cmdlet.  If you read the Notes section on Invoke-GPUpdate’s help file, you will see there are three firwall rules that need to be in place:          Remote Scheduled Tasks Management (RPC)          Remote Scheduled Tasks Management (RPC-ERMAP)          Windows Management Instrumentation (WMI-IN) I decided to create a little PowerShell script to crea...
Post a Comment
Read more

Where did a User’s Account Get Locked Out?

By
Updated: May 15, 2015 When this article was originally published, two extra carriage returns were add causing the code to malfunction.  The code below is correct.   My client for this week’s PowerShell class had a really interesting question. They needed to know where an account is being locked out at. OK, interesting. Apparently users hop around clients and forget to log off, leading to eventual lock out of their accounts. The accounts can be unlocked, but are then relocked after Active Directory replication. This problem is solved in two parts. The first one is to modify the event auditing on the network. The second part is resolved with PowerShell. The first part involves creating a group policy that will encompass your Domain Controllers. In this GPO, make these changes. Expand Computer Configuration \ Policies \ Windows Settings \ Security Settings \ Advanced Audit Policy Configuration \ Audit Policies \ Account Management Double click User Account Management C...
18 comments
Read more