Setting Up NFS Services

This section describes some of the tasks that are necessary to do the following:

Start and stop the NFS server
Start and stop the automounter
Select a different version of NFS

Note - Starting in the Solaris 10 release, NFS version 4 is the default.

Table 5-3 Task Map for NFS Services

Task	Description	For Instructions
Start the NFS server	Steps to start the NFS service if it has not been started automatically.	How to Start the NFS Services
Stop the NFS server	Steps to stop the NFS service. Normally the service should not need to be stopped.	How to Stop the NFS Services
Start the automounter	Steps to start the automounter. This procedure is required when some of the automounter maps are changed.	How to Start the Automounter
Stop the automounter	Steps to stop the automounter. This procedure is required when some of the automounter maps are changed.	How to Stop the Automounter
Select a different version of NFS on the server	Steps to select a different version of NFS on the server. If you choose not to use NFS version 4, use this procedure.	How to Select Different Versions of NFS on a Server
Select a different version of NFS on the client	Steps to select a different version of NFS on the client by modifying SMF parameters. If you choose not to use NFS version 4, use this procedure.	How to Select Different Versions of NFS on a Client
	Alternate steps to select a different version of NFS on the client by using the command line. If you choose not to use NFS version 4, use this alternate procedure.	How to Use the `mount` Command to Select Different Versions of NFS on a Client

How to Start the NFS Services

Become an administrator.
For more information, see How to Obtain Administrative Rights in Oracle Solaris Administration: Security Services.
Enable the NFS service on the server.
Type the following command.
```
# svcadm enable network/nfs/server
```
This command enables the NFS service.

Note - The NFS server starts automatically when you boot the system. Additionally, any time after the system has been booted, the NFS service daemons can be automatically enabled by sharing the NFS file system. See How to Set Up Automatic File-System Sharing.

How to Stop the NFS Services

Become an administrator.
For more information, see How to Obtain Administrative Rights in Oracle Solaris Administration: Security Services.
Disable the NFS service on the server.
Type the following command.
```
# svcadm disable network/nfs/server
```

How to Start the Automounter

Become an administrator.
For more information, see How to Obtain Administrative Rights in Oracle Solaris Administration: Security Services.
Enable the autofs daemon.
Type the following command:
```
# svcadm enable system/filesystem/autofs
```

How to Stop the Automounter

Become an administrator.
For more information, see How to Obtain Administrative Rights in Oracle Solaris Administration: Security Services.
Disable the autofs daemon.
Type the following command:
```
# svcadm disable system/filesystem/autofs
```

How to Select Different Versions of NFS on a Server

If you choose not to use NFS version 4, use this procedure.

Become an administrator.
For more information, see How to Obtain Administrative Rights in Oracle Solaris Administration: Security Services.
Change SMF parameters to set the NFS version numbers.
For example, if you want the server to provide only NFS version 3, set the values for both the server_versmax and server_versmin to 3 as shown below:
```
# sharectl set -p server_versmax=3 nfs
# sharectl set -p server_versmin=3 nfs
```
Note - The NFS version that is set by default is NFS version 4.
(Optional) Disable server delegation.
If you want to disable server delegation, change the server_delegation property.
```
# sharectl set -p server_delegation=on nfs
```
Note - In NFS version 4, server delegation is enabled by default. For more information, see Delegation in NFS Version 4.
(Optional) Establish a common domain.
If you want to set a common domain for clients and servers, change the nfsmapid_domain property.
```
# sharectl set -p server_nfsmapid_domain=my.comany.com
```
my.comany.com

Provide the common domain name

For more information, refer to nfsmapid Daemon.
Check if the NFS service is running on the server.
Type the following command:
```
# svcs network/nfs/server
```
This command reports whether the NFS server service is online or disabled.
(Optional) If necessary, disable the NFS service.
If you discovered from the previous step that the NFS service is online, type the following command to disable the service.
```
# svcadm disable network/nfs/server
```
Note - If you need to configure your NFS service, refer to How to Set Up Automatic File-System Sharing.
Enable the NFS service.
Type the following command to enable the service.
```
# svcadm enable network/nfs/server
```

How to Select Different Versions of NFS on a Client

The following procedure shows you how to control which version of NFS is used on the client.

Become an administrator.
For more information, see How to Obtain Administrative Rights in Oracle Solaris Administration: Security Services.
Change SMF parameters to set the NFS version numbers.
For example, if you want the server to provide only NFS version 3, set the values for both the client_versmax and client_versmin to 3 as shown below:
```
# sharectl set -p client_versmax=3 nfs
# sharectl set -p client_versmin=3 nfs
```
Note - The NFS version that is set by default is NFS version 4.
Mount NFS on the client.
Type the following command:
```
# mount server-name:/share-point /local-dir
```
server-name

Provide the name of the server.

/share-point

Provide the path of the remote directory to be shared.

/local-dir

Provide the path of the local mount point.

How to Use the `mount` Command to Select Different Versions of NFS on a Client

The following procedure shows you how to use the mount command to control which version of NFS is used on a client for a particular mount. If you prefer to modify the NFS version for all file systems mounted by the client, see How to Select Different Versions of NFS on a Client.

Become an administrator.
For more information, see How to Obtain Administrative Rights in Oracle Solaris Administration: Security Services.
Mount the desired version of NFS on the client.
Type the following command:
```
# mount -o vers=value server-name:/share-point /local-dir
```
value

Provide the version number.

server-name

Provide the name of the server.

/share-point

Provide the path of the remote directory to be shared.

/local-dir

Provide the path of the local mount point.

Note - This command uses the NFS protocol to mount the remote directory and overrides the client settings in the SMF repository.

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