To demonstrate data deduplication will not work on ReFS volumes you’ll see In the screenshot below it’s not available. It’s as simple as right clicking on the volume in server manager, clicking configure data deduplication, and supplying a few bits of information. When you select it you may get a prompt to install some other features.Īfter you install the role a reboot is not required. It’s under file and storage services, file and iSCSI services roles. The first thing to do is to install the data deduplication role. Data deduplication will only work on NTFS volumes. ReFS is designed for locked open files like running virtual machines, SQL 2012 data files, Exchange data files, etc. One thing to note is data deduplication will not work on ReFS formatted volumes. Data deduplication is designed for your file shares, software deployment shares, VHD libraries, offline VMs and files that are not locked open all the time. This mean running virtual machines, SQL 2012 data files, Exchange data files, and files like that. ĭata deduplication is not recommended on volumes that contain files that are locked open. For detailed information please refer to the TechNet article found at. From an end user standpoint it’s seamless and they don’t even know what is going on in the background. It sees duplicate data in files and will only keep one version of the data while the other files have pointers to the actual data. it looks for duplicate data in files on a volume and rather than have the same data in multiple it consolidates it. It’s a role that you can enable on volumes to save space. Data deduplication is one of Windows Server 2012’s many new features.
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