Parallel NFS (pNFS) Flexible File Layout, August 2018
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Parallel NFS (pNFS) allows a separation between the metadata (onto a metadata server) and data (onto a storage device) for a file. The flexible file layout type is defined in this document as an extension to pNFS that allows the use of storage devices that require only a limited degree of interaction with the metadata server and use already-existing protocols. Client-side mirroring is also added to provide replication of files.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.