I-D Action: draft-faibish-nfsv4-pnfs-block-disk-protection-01.txt

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	Title           : pNFS block disk protection
	Author(s)       : Sorin Faibish
                          Jason Glasgow
                          David L. Black
	Filename        : draft-faibish-nfsv4-pnfs-block-disk-protection-01.txt
	Pages           : 6
	Date            : 2011-07-06

   Parallel NFS (pNFS) extends Network File System version 4 (NFSv4) to
   enable direct client access to file data on storage, bypassing the
   NFSv4 server.  This can increase both performance and parallelism,
   but requires additional client functionality, some of which depends
   upon the type of storage used.  The pNFS specification for block
   storage (RFC 5663) describes how clients can identify the volumes
   used for pNFS, but this mechanism requires communication with the
   NFSv4 server.  This document adds a mechanism to RFC 5663 that
   enables clients to identify block storage devices used by pNFS file
   systems without communicating with the server.  This enables clients
   to control access to pNFS block devices when the client initially
   boots, as opposed to waiting until the client can communicate with
   the NFSv4 server.


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