Update on the NFS Version 4 Working Group (nfsv4)
Apologies for this inexcusably late update. Hopefully this brief note will
give you a flavour for what work has been going on in the past few months.
The NFS Version 4 working group is tasked with the evolution and
maintenance of the distributed file system protocol NFS (The Network File
System) and associated protocols (RPC - Remote Procedure Call). NFS remains
popular as a widely used open protocol for file sharing in a heterogeneous
network. With further adoption being driven by emerging use cases of large
scale data analytics and AI/ML that look to NFS and its pNFS parallel I/O
support to provide a shared large scale data store.
In the past few months we have progressed on the following work some of
which we will be covering tomorrow Thursday at IETF 121:
- Several versions of the 5661-bis document
(draft-dnoveck-nfsv4-rfc5662bis-05) have been released with accompanying
progress on the security documents (draft-dnoveck-nfsv4-security-11,
draft-dnoveck-nfsv4-acls-05) - these documents have not yet been adopted
into the working group and we are looking for movement there.
- Internationalization (draft-ietf-nfsv4-internationalization-11) was
adopted by the WG and is in WGLC after a couple of expert reviews.
- New work defining a method for using the pNFS flex files feature (client
driven striped file system support) advanced to two drafts providing a
foundation and "erasure coding flavours" being instantiations of the
method. You can find the latest foundation draft at:
https://datatracker.ietf.org/doc/draft-haynes-nfsv4-erasure-encoding/
- The POSIX ACL draft (draft-rmacklem-nfsv4-posix-acls-10) is new work in
NFS to provide better compatibility to some implementations in
communication identity and access. Macklem reports that test code for Linux
as well as FreeBSD versions of NFS Version 4 were tested at the regular
Bakeathon testing event hosted by Redhat in the Boston area in October.
- On the Bakeathon front, a week long interoperability event was run with
participation from eight companies testing more than eight implementations
of clients and servers validating existing RFC functionality and kicking
the tires on some of the new features above. They also hold peer talks
during the testing week. You can view the presentations here:
https://www.youtube.com/playlist?list=PLzl8_Ue6nacHZE9Fjow_7ZYhyWWZ8n0ka
Planning is underway for another Bakeathon in the Spring.
Interim meetings are resuming on November 20 and are expected to occur
every two weeks.
We are always looking for new members - come check us out!
Your friendly neighborhood NFS V4 co-chairs,
Chris Inacio and Brian Pawlowski
P.S. Any typos have been consciously left in to ensure this note was not AI
generated
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