On Thu, Nov 30, 2023 at 3:03 PM Chuck Lever III <chuck.lever@xxxxxxxxxx> wrote: > > > > > On Nov 29, 2023, at 10:59 PM, Martin Wege <martin.l.wege@xxxxxxxxx> wrote: > > > > Hello, > > > > does the Linux NFSv4 server has support for alternate data streams? > > Solaris surely has, but we want to replace it. As our Windows > > applications (DB) rely on alternate data streams the question is > > whether the Linux NFSv4 server can fully replace the Solaris NFSv4 > > server in that respect. > > Hi Martin - > > Linux NFSD does not support alternate data streams because none of > the underlying file systems on Linux implement them. Very much like > the HIDDEN and ARCHIVE attributes. > > I believe Solaris and their storage appliance are the only > implementations of NFS that do support them, since they have > implemented streams in ZFS. > > Instead, Linux NFSD implements extended attributes (that's what > our native file systems and user space support). I realize that > the semantics of those are not the same as stream support. SMB server on Linux supports Alternate Data Streams - why can't the same be done for NFSv4? Otherwise we're stuck with using SMB Thanks, Martin