Microsoft is rolling out its latest Windows 11 build for the Canary Channel on the Windows Insider Program. There are a number of changes in preview build 25324, but Twitter user PhantomOfEarth found a hidden change that updates the ReFS file system that Microsoft has been supporting since January.
Specifically, Microsoft is updating the ReFS file system on Windows 11 to version 3.10.
If you are unfamiliar with Resilient File System (ReFS), it is a file system that Microsoft initially launched on Windows 8. Microsoft says it provides more performance and resilience compared to New Technology File System (NTFS) and higher data support.
ReFS is a file system that is more durable against data corruption. The format is used on machines that handle large amounts of data, making it ideal for enterprise users.
Earlier this month, it emerged that Microsoft is working on ReFS “Dev Drive” VhD volumes. This feature is known as devvol, which means Developer Volume and it is found within the Windows 11 Privacy & Security section on the Settings app.
Listed under Dev Drive, the tool allows developers to build virtual hard disks directly on Windows 11.
There are specific steps that users can follow to set up a Dev Drive, including a “Create Dev Drive” function which offers a minimum drive of 50GB. Other metrics users can manage include the location of the drive, formatting as a VHD Dev Drive or developer volume, and creating a VHD window. This feature is currently hidden and requires Windows Registry tweaks or a third-party tool to access.
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