Proceed as follows:. Enter the host name of the NFS server, the directory to import, and the mount point at which to mount this directory locally.
The default domain is localdomain. Enable Open Port in Firewall in the NFS Settings tab if you use a firewall and want to allow access to the service from remote computers. The firewall status is displayed next to the check box. When you start the YaST configuration client at a later time, it also reads the existing configuration from this file. On diskless systems where the root partition is mounted via network as an NFS share, you need to be careful when configuring the network device with which the NFS share is accessible.
When shutting down or rebooting the system, the default processing order is to turn off network connections then unmount the root partition. With NFS root, this order causes problems as the root partition cannot be cleanly unmounted as the network connection to the NFS share is already deactivated. To prevent the system from deactivating the relevant network device, open the network device configuration tab as described in Section The nfs service takes care to start it properly; thus, start it by entering systemctl start nfs as root.
Then remote file systems can be mounted in the file system just like local partitions, using the mount :. To import user directories from the nfs. To define a count of TCP connections that the clients make to the NFS server, you can use the nconnect option of the mount command. You can specify any number between 1 and 16, where 1 is the default value if the mount option has not been specified.
The nconnect setting is applied only during the first mount process to the particular NFS server. If the same client executes the mount command to the same NFS server, all already established connections will be shared—no new connection will be established. To change the nconnect setting, you have to unmount all client connections to the particular NFS server. Then you can define a new value for the nconnect option. If there is no value for the mount option, then the option has not been used during mounting and the default value of 1 is in use.
As you can close and open connections after the first mount, the actual count of connections does not necessarily have to be the same as the value of nconnect. The autofs daemon can be used to mount remote file systems automatically. The name auto. In auto. Activate the settings with systemctl start autofs as root. For NFSv4 mounts, use nfs4 instead of nfs in the third column:. The noauto option prevents the file system from being mounted automatically at start-up.
If you want to mount the respective file system manually, it is possible to shorten the mount command specifying the mount point only:. If you do not enter the noauto option, the init scripts of the system will handle the mount of those file systems at start-up.
NFS is one of the oldest protocols, developed in the s. As such, NFS is usually sufficient if you want to share small files. However, when you want to transfer big files or many clients want to access data, an NFS server becomes a bottleneck and has a significant impact on the system performance. This is because files are quickly getting bigger, whereas the relative speed of Ethernet has not fully kept pace. When you request a file from a regular NFS server, the server looks up the file metadata, collects all the data, and transfers it over the network to your client.
However, the performance bottleneck becomes apparent no matter how small or big the files are:. With big files, most of the time is spent on transferring the data from server to client. As such, pNFS requires two types of servers:. A metadata or control server that handles all the non-data traffic. One or more storage server s that hold s the data. The metadata and the storage servers form a single, logical NFS server. When a client wants to read or write, the metadata server tells the NFSv4 client which storage server to use to access the file chunks.
The client can access the data directly on the server. Proceed as described in Procedure Refer to Section Most of the configuration is done by the NFSv4 server. There is no single standard for Access Control Lists ACLs in Linux beyond the simple read, write, and execute rwx flags for user, group, and others ugo. Any limitation imposed by the server will affect programs running on the client in that some particular combinations of Access Control Entries ACEs might not be possible.
For further documentation online, refer to the following Web sites:. Find the detailed technical documentation online at SourceForge.
To configure your host as an NFS client, you do not need to install additional software. All needed packages are installed by default. Proceed as follows:. Enter the host name of the NFS server, the directory to import, and the mount point at which to mount this directory locally.
The default domain is localdomain. The firewall status is displayed next to the check box. When you start the YaST configuration client at a later time, it also reads the existing configuration from this file. On diskless systems, where the root partition is mounted via network as an NFS share, you need to be careful when configuring the network device with which the NFS share is accessible.
When shutting down or rebooting the system, the default processing order is to turn off network connections, then unmount the root partition. With NFS root, this order causes problems as the root partition cannot be cleanly unmounted as the network connection to the NFS share is already not activated.
To prevent the system from deactivating the relevant network device, open the network device configuration tab as described in Section The nfs service takes care to start it properly; thus, start it by entering systemctl start nfs as root. Then remote file systems can be mounted in the file system like local partitions using mount :.
To import user directories from the nfs. To define a count of TCP conncetions that the clients makes to the NFS server, you can use the nconnect option of the mount command. You can specify any number between 1 and 16, where 1 is the default value if the mount option has not been specified.
The nconnect setting is applied only during the first mount process to the particular NFS server. If the same client executes the mount command to the same NFS server, all already established connections will be shared—no new connection will be established. To change the nconnect setting, you have to unmount all clients connections to the particular NFS server.
Then you can define a new value of the nconnect option. If there is no value of the mount option, then the option has not been used during mounting and the default value 1 is in use. As you can close and open connections after the first mount, the actual count of connections necessarily does not have to be the same as the value of nconnect. The autofs daemon can be used to mount remote file systems automatically.
The name auto. In auto. Activate the settings with systemctl start autofs as root. For NFSv4 mounts, use nfs4 instead of nfs in the third column:. The noauto option prevents the file system from being mounted automatically at start-up. If you want to mount the respective file system manually, it is possible to shorten the mount command specifying the mount point only:. If you do not enter the noauto option, the init scripts of the system will handle the mount of those file systems at start-up.
NFS is one of the oldest protocols, developed in the '80s. As such, NFS is usually sufficient if you want to share small files. However, when you want to transfer big files or many clients want to access data, an NFS server becomes a bottleneck and has a significant impact on the system performance. This is because of files quickly getting bigger, whereas the relative speed of your Ethernet has not fully kept up.
When you request a file from a regular NFS server, the server looks up the file metadata, collects all the data and transfers it over the network to your client. However, the performance bottleneck becomes apparent no matter how small or big the files are:. With big files most of the time is spent on transferring the data from server to client.
As such, pNFS requires two types of servers:. AI and Analytics. Hybrid Cloud Solutions. Nonstop IT. Exit Federal Government. Partner Program. Find a Partner. Become a Partner. Open Source Projects. SUSE Italia. SUSE Israel.
0コメント