Windows 10: placeholder file in ReFS

Discus and support placeholder file in ReFS in Windows 10 Software and Apps to solve the problem; It looks like ReFS is a new FS in Windows. Does it support the placeholder file and cloud file api... Discussion in 'Windows 10 Software and Apps' started by alan duan1, Jun 19, 2025 at 3:02 AM.

  1. ALAN DUAN1
    alan duan1 Win User

    placeholder file in ReFS


    It looks like ReFS is a new FS in Windows. Does it support the placeholder file and cloud file api too?https://learn.microsoft.com/en-us/windows-server/storage/refs/refs-overviewhttps://learn.microsoft.com/en-us/windows/win32/cfapi/build-a-cloud-file-sync-engine

    :)
     
    alan duan1, Jun 19, 2025 at 3:02 AM
    #1
  2. SPUNK
    spunk Win User

    ReFS cannot fix corruption--can file be accessed at all?

    • I don't think you can manually correct the file without eliminating the corrupted file and getting a fresh copy from the original
     
    spunk, Jun 19, 2025 at 3:30 AM
    #2
  3. SDAWG30
    SDawg30 Win User
    ReFS on server 2016 using large amounts of disk space.

    Trying to find an explanation of high disk usage that possibly were created because we are using ReFS, and a way to clean them up if possible.

    Have a drive on Windows Server 2016 and it is formatted with ReFS and using 64K blocks. The amount of disk for the files is about 5TB when looking at size on disk, but the properties of the drive show 7.5TB. Under settings>storage when I click on the drive
    it shows 2.5TB of system files. There is nothing installed on this drive, it is just for storing files, there are about 33,000,000 small files on it.

    I have done the following:

    • Show hidden files
    • Show protected files
    • Gave myself permissions to all files
    • Ensured there are no shadow copies, both from command prompt and GUI
    • Ensured protection is turned off
    I saw one article that says the space being used is from ReFS, but does not explain what it is, or if there is a way to clean it up. Article also suggests that using ReFS for many small files is not a good idea. We were asked by the vendor of an application
    to use ReFS.
     
    SDawg30, Jun 19, 2025 at 3:30 AM
    #3
  4. SLARTYBART
    Slartybart Win User

    placeholder file in ReFS

    Resilient File System (ReFS)

    Source: Technet Windows Server Library

     
    Slartybart, Jun 19, 2025 at 3:30 AM
    #4
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placeholder file in ReFS

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