NFS: Difference between revisions
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NFS version 2 was specified in RFC 1094. Version 3 was RFC 1813, and version 4 was RFC 3530. | NFS version 2 was specified in RFC 1094. Version 3 was RFC 1813, and version 4 was RFC 3530. | ||
Relevant man pages include <tt>exports(5)</tt> and <tt>nfs(5)</tt>/<tt>nfs.conf(5)</tt>. | |||
==NFSv4-only== | ==NFSv4-only== | ||
So long as you're only running NFSv4, you don't need <tt>rpc-statd</tt> nor <tt>rpcbind</tt>. Edit <tt>/etc/nfs.conf</tt>, and add <tt>vers3=n</tt> under the <tt>[nfsd]</tt> section. You can now disable the <tt>rpc-statd-notify</tt>, <tt>rpc-statd</tt>, <tt>rpcbind.socket</tt>, and <tt>rpcbind</tt> services. | So long as you're only running NFSv4, you don't need <tt>rpc-statd</tt> nor <tt>rpcbind</tt>. Edit <tt>/etc/nfs.conf</tt>, and add <tt>vers3=n</tt> under the <tt>[nfsd]</tt> section. You can now disable the <tt>rpc-statd-notify</tt>, <tt>rpc-statd</tt>, <tt>rpcbind.socket</tt>, and <tt>rpcbind</tt> services. | ||
==[[proc|procfs]] support== | |||
<tt>/proc/fs/nfsfs</tt> on the client side contains the files <tt>servers</tt> and <tt>volumes</tt>. | |||
<tt>/proc/fs/nfsd</tt> on the server side contains (among others): | |||
* <tt>exports</tt>: | |||
<pre># Version 1.1 | |||
# Path Client(Flags) # IPs | |||
/media/qwopino *(rw,root_squash,sync,wdelay,crossmnt,no_subtree_check,uuid=63610aa9:00fab279:00000000:00000000,sec=1) | |||
/media/qwop *(rw,root_squash,sync,wdelay,crossmnt,no_subtree_check,uuid=423e8da5:00c36ed2:00000000:00000000,sec=1)</pre> | |||
* <tt>export_stats</tt>: | |||
<pre># Version 1.1 | |||
# Path Client Start-time | |||
# Stats | |||
/media/qwopino * 3128 | |||
fh_stale: 0 | |||
io_read: 662700032 | |||
io_write: 0 | |||
/media/qwop * 2293 | |||
fh_stale: 0 | |||
io_read: 218136576 | |||
io_write: 0</pre> | |||
* <tt>versions</tt>: | |||
<pre>-3 +4 -4.0 +4.1 +4.2</pre> | |||
* <tt>portlist</tt> (useful for configuring firewalls): | |||
<pre>tcp 2049 | |||
tcp 2049</pre> | |||
* <tt>clients/</tt>: a directory with one file per active mount | |||
==Sideband protocols== | ==Sideband protocols== | ||
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* [http://nfswatch.sourceforge.net/ NFSwatch] for monitoring and summarizing NFS traffic | * [http://nfswatch.sourceforge.net/ NFSwatch] for monitoring and summarizing NFS traffic | ||
* [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_file_systems/configuring-an-nfsv4-only-server_managing-file-systems Configuring an NFSv4-Only Server] on Fedora | * [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_file_systems/configuring-an-nfsv4-only-server_managing-file-systems Configuring an NFSv4-Only Server] on Fedora | ||
* [https://wiki.archlinux.org/title/NFS NFS] on ArchWiki | |||
[[CATEGORY: Networking]] | [[CATEGORY: Networking]] | ||