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Diffstat (limited to 'Documentation/filesystems/nfs/pnfs-scsi-server.txt')
| -rw-r--r-- | Documentation/filesystems/nfs/pnfs-scsi-server.txt | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/Documentation/filesystems/nfs/pnfs-scsi-server.txt b/Documentation/filesystems/nfs/pnfs-scsi-server.txt deleted file mode 100644 index 5bef7268bd9f..000000000000 --- a/Documentation/filesystems/nfs/pnfs-scsi-server.txt +++ /dev/null @@ -1,23 +0,0 @@ - -pNFS SCSI layout server user guide -================================== - -This document describes support for pNFS SCSI layouts in the Linux NFS server. -With pNFS SCSI layouts, the NFS server acts as Metadata Server (MDS) for pNFS, -which in addition to handling all the metadata access to the NFS export, -also hands out layouts to the clients so that they can directly access the -underlying SCSI LUNs that are shared with the client. - -To use pNFS SCSI layouts with with the Linux NFS server, the exported file -system needs to support the pNFS SCSI layouts (currently just XFS), and the -file system must sit on a SCSI LUN that is accessible to the clients in -addition to the MDS. As of now the file system needs to sit directly on the -exported LUN, striping or concatenation of LUNs on the MDS and clients -is not supported yet. - -On a server built with CONFIG_NFSD_SCSI, the pNFS SCSI volume support is -automatically enabled if the file system is exported using the "pnfs" -option and the underlying SCSI device support persistent reservations. -On the client make sure the kernel has the CONFIG_PNFS_BLOCK option -enabled, and the file system is mounted using the NFSv4.1 protocol -version (mount -o vers=4.1). |