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146 Chapter 9 Working with File Services
Managing the NFS Service
Network File System (NFS) is a file service used to provide file sharing to UNIX and
Linux systems. With NFS, Mac OS X Server can host data for UNIX application servers
and provide integration with enterprise UNIX storage devices. Support for NFS file
locking prevents overwriting files while others are accessing them.
NFS service can be used to mount NFS volumes and reshare them over AFP with
Mac OS X and Mac OS 9 clients. This allows client computers to access NFS volumes
using the secure authentication and service discovery provided by AFP service.
Starting and Stopping NFS Service
NFS service is started automatically when a share point is exported using NFS. The NFS
daemons that satisfy client requests continue to run until there are no more NFS
exports and the server is restarted.
Checking NFS Service Status
To see if NFS service and related processes are running:
$ sudo serveradmin status nfs
To see complete NFS status:
$ sudo serveradmin fullstatus nfs
Viewing NFS Service Settings
To list all NFS service settings:
$ sudo serveradmin settings nfs
To list a particular setting:
$ sudo serveradmin settings nfs:
setting
Changing NFS Service Settings
Use the following parameters with the serveradmin tool to change settings for the NFS
service.
Parameter (nfs:) Description
nbDaemons To reduce the number of daemons, you must restart the server
after changing this value.
Default =
6
useTCP
You must restart the server after changing this value.
Default =
yes
useUDP
You must restart the server after changing this value.
Default =
yes