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OpenSolaris Project: NFS RDMA transport update and performance analysis

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NFS/RDMA

The project update was delivered to the onnv-gate on Aug 21st 2008, and is available since onnv build 98. It is included in OpenSolaris 2008.11 Try it out!!

The NFS/RDMA project updated the OpenSolaris implementation of RPC for infiniband transports.
Key improvements delivered in the update:

  • Protocol compliance with the outstanding proposals within the IETF NFSv4 working group.
  • A variety of design enhancements focused on improving performance and other bug fixes
  • Enables interoperability between Solaris and Linux

The IETF NFSv4 WG documents of interest are:

  1. NFS RDMA Problem Statement
  2. RDMA Transport for ONC RPC
  3. NFS Direct Data Placement

Initial work for this update was done by a team at Ohio State University under the direction of Dhabaleswar K. (DK) Panda who from an initial prototype done at Sun.

Look here for the email/discussion archive and subscription information.

Preliminary performance results

Latest News

rpcib support for IB HCA DR was added to the onnv gate and is available in onnv build 109.

Future work

Work is currently being done to improve Linux interoperability — to correct a few known issues when interoperating with Linux.

Latest Code

Please check on the discussion alias if you want to try out the latest bits being worked on for Linux interoperability.

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