what powershell cmdlet will allow you to review the status of a running deduplication job
Storage technologies have certainly evolved over the by several years and provide many powerful tools to allow the most efficient use of provisioned space. 1 of the technologies available in Windows Server is deduplication. Microsoft continues to add new capabilities to the deduplication feature with each Windows release.
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Brandon Lee has been in the Information technology industry 15+ years and focuses on networking and virtualization. He contributes to the customs through various web log posts and technical documentation primarily at Virtualizationhowto.com.
What benefits are provided by Windows Server deduplication? How is the characteristic added? How do you enable deduplication, check its status, and pause or stop the deduplication process? Let'south accept a wait at Windows Server deduplication.
What is information deduplication in Windows Server? ^
When y'all shop data comprising various files and other data on whatever Windows Server, in that location volition be duplicated data blocks among the multiple files. It is especially truthful if the different files stored on a Windows Server volume are like in content or construction. A departmental file server is a good example that helps visualize how at that place may be vast amounts of duplicated data. In a large file share, finish users may store many copies of the aforementioned or similar files. This leads to redundant copies of data that impact the efficiency of storage.
Instead of storing multiple copies of information, equally in traditional storage environments, deduplication provides the ways to store the data once and create intelligent pointers to the actual information location. In this fashion, the storage environment does not house duplicated information. Microsoft keeps improving the features of deduplication as well. In Windows Server 2019, Data Deduplication can now deduplicate both NTFS and ReFS volumes. Prior to Windows Server 2019, ReFS deduplication was not possible.
How does Windows Server data deduplication work? ^
Microsoft uses 2 principles to implement data deduplication in Windows Server:
- The deduplication process runs on data by using a postal service-processing model . This ways that the deduplication process does not interfere with the operation of the write process. When data is written to the storage, it is not optimized. Later, the deduplication optimization process runs to ensure the deduplication of the information.
- Stop users are unaware of the deduplication process—Deduplication in Windows Server is entirely transparent. Finish users are unaware they may be working with deduplicated data.
To reach the successful deduplication of data in accordance with the principles listed to a higher place, Windows Server uses the following process:
- The file organisation scans storage to find files matching the deduplication optimization policy.
- The organisation breaks the files into chunks.
- Unique chunks of file information are identified.
- These file chunks are placed in the chunk shop.
- Pointers to the chunk store are created to allow redirecting file reads to the advisable file chunks.
Strong use cases for data deduplication
Specific use cases lend themselves favorable to information deduplication. What are workloads that typically bear witness massive benefits to using data deduplication? Permit's listing these in the society of the about significant benefits.
- 80–95% infinite savings—Virtualization environments, especially VDI workloads and ISOs for deployment.
- 70–80% space savings—Deployment shares contain massively duplicated information stores of software binaries, cab files, and other functioning-specific files.
- 50–threescore% space savings—Full general file shares can contain monolithic repositories of files that can include a tremendous amount of duplicated data.
- 30–50% space savings—User documents tin contain standard user files that may include photos, music, and videos.
Installing the Windows Server Dedup ^
The process to install the Windows Server Dedup feature is straightforward. Administrators can install Dedup using the GUI Server Manager, Windows Admin Middle, or PowerShell. Data Deduplication is part of the File and Storage Services role in Windows Server. Below is a screenshot from Windows Server 2019.
Installing the Information Deduplication File and Storage Services role in Windows Server 2019
Using PowerShell, y'all can enable data deduplication using the following cmdlet:
Install-WindowsFeature -Name FS-Data-Deduplication
Data Deduplication installation in Windows Admin Center is carried out by visiting the Roles and Features bill of fare and placing a check adjacent to Data Deduplication, which is found under the File and Storage Services role.
Using Windows Admin Center to install Data Deduplication in Windows Server 2019
Enabling Data Deduplication on a Windows Server book ^
Once you have installed Data Deduplication, the process to enable information technology on a book is straightforward. Using Server Director, navigate to File and Storage Services > Volumes > Disks. Click the disk. Then click the volume that resides on the disk that you lot desire to deduplicate.
Enabling Information Deduplication for a Windows Server 2019 volume
Choose the type of files stored on the volume to be deduplicated
Under Deduplication Settings, you can configure several options. These include:
- The age of the files to be deduplicated
- Custom file extensions to exclude
- Custom excluded folders
- Configuration of the deduplication schedule
Configuring Windows Server deduplication setting
The Deduplication Schedule configuration provides interesting options to customize the groundwork process used to run the information deduplication. You can further customize the deduplication schedule and resource utilization using the throughput optimization options. It also allows for multiple schedules.
Setting the deduplication schedule in Windows Server 2019
Running Data Deduplication Scheduled Tasks ^
Yous may wonder how the background tasks run. When you lot install Data Deduplication, Windows creates scheduled tasks to have care of the groundwork process, garbage collection, and data scrubbing. If you want to run these manually, you can. The background deduplication process runs past default every 1 hour indefinitely.
Windows Deduplication Scheduled Tasks in Windows Server 2019
Using PowerShell for status and management ^
PowerShell provides many great controls and options for interacting with Windows Server Data Deduplication. Let's have note of a few of these cmdlets. The Get-DedupStatus cmdlet displays the status of the deduplication operations and the deduplication per centum.
As yous can see, at start, we take no space savings later on Data Deduplication is installed and enabled. Nevertheless, after the procedure begins to run, nosotros showtime to meet infinite savings on the book.
Getting the status of Data Deduplication for a storage volume in Windows Server
If you want to disable and become rid of Information Deduplication, yous tin can exercise this easily with a couple of PowerShell cmdlets:
Disable-DedupVolume -Volume <volume letter> Start-DedupJob -type Unoptimization -Book <volume letter of the alphabet>
What other types of DedupJobs can you kick off from PowerShell?
Looking at the beginning dedupjob cmdlet type options in Windows Server 2019
Wrapping up ^
Windows Server Information Deduplication is a great way to repossess storage space efficiently in your Windows Server environs. With each Windows release, the deduplication capabilities continue to better. It provides tremendous space-saving benefits with specific workloads, especially for general file servers and VDI virtualization environments. For virtualization environments, space savings can exist as much equally 80–95%.
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The Information Deduplication subcomponent of File and Storage Services is easy to add and enable on a specific storage volume. You lot can take advantage of many options to control the deduplication schedule, file types, and exclusions. PowerShell provides several cmdlets that allow interacting with, managing, and controlling Windows Server Data Deduplication.
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Source: https://4sysops.com/archives/windows-server-deduplication-how-it-works-how-to-install/
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