Parallel NFS (pNFS) Lustre Layout Operations

Document Type Expired Internet-Draft (individual)
Authors Sorin Faibish  , Dominique Cote , Peng Tao
Last updated 2014-11-10 (latest revision 2014-05-02)
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Parallel NFS (pNFS) extends Network File System version 4.1(NFSv4.1) to allow clients to directly access file data on the storage used by the NFSv4.1 server. This ability to bypass the server for data access can increase both performance and parallelism, but requires additional client functionality for data access, some of which is dependent on the class of storage used, a.k.a. the Layout Type. The main pNFS operations and data types in NFSv4 Minor version 1 specify a layout-type-independent layer; layout-type-specific information is conveyed using opaque data structures whose internal structure is further defined by the particular layout type specification. This document specifies the NFSv4.1 Lustre pNFS Layout Type as a companion to the main NFSv4 Minor version 1 specification.


Sorin Faibish (
Dominique Cote (
Peng Tao (

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