Red Hat GLOBAL FILE SYSTEM 4.7 Podręcznik Użytkownika Pobierz pdf (Strona 78)

Configuring NFS and Samba servers to export Lustre file systems5–2

5.1 Configuring NFS servers

Some legacy client systems can only use the NFS protocol; HP allows such systems to access Lustre file

systems via NFS servers. NFS servers are specialized Lustre clients that access the Lustre file system and

export access to the file system over NFS. To use this functionality, you must configure one or more HP SFS

client nodes as NFS servers for the Lustre file systems. For information on how to configure your client system

as an NFS server, refer to the documentation for your client system.

Once you have configured an HP SFS client node as an NFS server to provide access to Lustre file systems,

there are a number of configuration changes that you can make on both the NFS server and the NFS client

systems in order to optimize NFS performance.

The following sections provide information on supported configurations for NFS server and client systems,

and on how to optimize NFS performance for Lustre file systems:

• Supported configurations for NFS servers and client systems (Section 5.1.1)

• Configuration factors for NFS servers (Section 5.1.2)

• Configuration factors for multiple NFS servers (Section 5.1.3)

• NFS access — file and file system considerations (Section 5.1.4)

• Optimizing NFS client system performance (Section 5.1.5)

• Optimizing NFS server performance (Section 5.1.6)

5.1.1 Supported configurations for NFS servers and client systems

Table 5-1 shows details of the HP SFS client node that has been qualified for use as an NFS server in this

HP SFS release. (Other HP SFS client nodes based on the same kernel are also likely to be suitable for this

purpose.)

NOTE: You cannot configure a system that is running a Version 2.6 kernel as an NFS server.

Table 5-2 lists the NFS client systems that have been successfully tested with the qualified NFS server

configuration.

Table 5-1 HP SFS client node qualified for use as NFS server

Distribution Kernel Version

Red Hat Enterprise Linux 3 Update 7 2.4.21

Table 5-2 NFS client systems tested with the qualified NFS server

Distribution Kernel Version

Fedora Core 4 Default version shipped with the distribution.

HP-UX 11.0 Default version shipped with the distribution.

Red Hat Enterprise Linux 3 Update 4 Default version shipped with the distribution.

Red Hat Enterprise Linux 4 Default version shipped with the distribution.

Red Hat Enterprise Linux 3 AS Default version shipped with the distribution.

Red Hat Linux 9 Default version shipped with the distribution.

Mepis 3.3.1 Default version shipped with the distribution.

Solaris 10 Default version shipped with the distribution.

OpenSUSE 10 Default version shipped with the distribution.

FreeBSD 5.4 RC3 Default version shipped with the distribution.

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Red Hat GLOBAL FILE SYSTEM 4.7 Podręcznik Użytkownika Strona 78