nfsd(1M)




NAME

     nfsd - NFS daemon


SYNOPSIS

     /usr/lib/nfs/nfsd [-a]  [-c #_conn]  [-l listen_backlog]  [-
     p protocol] [-t device] [nservers]


DESCRIPTION

     nfsd is the daemon that handles client file system requests.
     Only the super-user can run this daemon.

     The nfsd daemon is automatically invoked in run level 3 with
     the -a option, described below.

     By default, nfsd starts over the TCP and UDP transports. You
     can change this with the -p option, described below.

     A previously invoked nfsd daemon  started  with  or  without
     options  must  be  stopped before invoking another nfsd com-
     mand.

     Administrators wanting to change startup parameters for nfsd
     should,  as  root, make changes in the /etc/default/nfs file
     rather than editing  the  /etc/init.d/nfs.server  file.  See
     nfs(4).


OPTIONS

     The following options are supported:

     -a    Start a NFS daemon over all  available  connectionless
           and  connection-oriented transports, including UDP and
           TCP. Equivalent of setting the NFSD_PROTOCOL parameter
           to ALL in the nfs file.

     -c #_conn
           This sets the maximum number of connections allowed to
           the NFS server over connection-oriented transports. By
           default,  the  number  of  connections  is  unlimited.
           Equivalent  of  the  NFSD_MAX_CONNECTIONS parameter in
           the nfs file.

     -l    Set connection queue length for the  NFS  TCP  over  a
           connection-oriented transport. The default value is 32
           entries. Equivalent of the NFSD_LISTEN_BACKLOG parame-
           ter in the nfs file.

     -p protocol
           Start  a  NFS  daemon  over  the  specified  protocol.
           Equivalent  of  the NFSD_PROTOCOL parameter in the nfs
           file.

     -t device
           Start a NFS daemon for the transport specified by  the
           given  device. Equivalent of the NFSD_DEVICE parameter
           in the nfs file.


OPERANDS

     The following operands are supported:

     nservers
           This  sets  the  maximum  number  of  concurrent   NFS
           requests  that the server can handle. This concurrency
           is achieved by  up  to  nservers  threads  created  as
           needed  in the kernel. nservers should be based on the
           load expected on this server. 16 is the  usual  number
           of nservers. If nservers is not specified, the maximum
           number of concurrent NFS requests will default  to  1.
           Equivalent  of  the  NFSD_MAX_CONNECTIONS parameter in
           the nfs file.


USAGE

     If the NFS_PORTMON variable  is  set  in  /etc/system,  then
     clients  are  required  to  use  privileged  ports  (ports <
     IPPORT_RESERVED) to get NFS services. This variable is equal
     to  zero  by  default. This variable has been moved from the
     "nfs" module to the "nfssrv" module. To  set  the  variable,
     edit the /etc/system file and add this entry:

          set nfssrv:nfs_portmon = 1


EXIT STATUS

     0     Daemon started successfully.

     1     Daemon failed to start.


FILES

     .nfsXXX
           client machine pointer to an open-but-unlinked file

     /etc/default/nfs
           contains startup parameters for nfsd

     /etc/init.d/nfs.server
           shell script for starting nfsd

     /etc/system
           system configuration information file


ATTRIBUTES

     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Availability                | SUNWnfssu                   |
    |_____________________________|_____________________________|


SEE ALSO

     ps(1), mountd(1M), nfs(4),  sharetab(4),  system(4),  attri-
     butes(5)

     System Administration Guide: Naming and  Directory  Services
     (DNS, NIS, and LDAP)


NOTES

     Manually starting and restarting nfsd is not recommended. If
     it  is  necessary  to  do  so, use the NFS server start/stop
     script (/etc/init.d/nfs.server). See  System  Administration
     Guide:  Naming  and  Directory Services (DNS, NIS, and LDAP)
     for more information.


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