NTFS is the only option when Parity is selected as the resiliency type. I thought ReFS was suppose to replace NTFS? I am trying to create a storage space to use for network file share.
Windows – In Windows 10 Pro Storage Space, why can’t I use ReFS with Parity
refsstoragestorage-spaceswindows 10windows 8.1
Best Answer
According to discussion at Storage Spaces, Parity and ReFS
Anniversary update
incl.Creators update
brought support for ReFS parity storage spaceFall Creators update
removes ReFS entirely from storage spacesAllowRefsFormatOverNonmirrorVolume
workaround no longer works