From: Neil Brown Date: Fri, 16 Mar 2007 05:26:51 +0000 (+1100) Subject: Update the nfs.5 manpage X-Git-Tag: nfs-utils-1-1-0-rc1~64 X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=commitdiff_plain;h=8539d23dc9f982160bd8f825aa54960e7e1d9d03 Update the nfs.5 manpage Defaults are now tcp/v3. Several bugs have been fixed. --- diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man index ad44d71..614de46 100644 --- a/utils/mount/nfs.man +++ b/utils/mount/nfs.man @@ -24,15 +24,16 @@ To mount via NFS version 2, use the .BR nfs file system type and specify .BR nfsvers=2 . -Version 2 is the default protocol version for the -.BR nfs -file system type when -.BR nfsvers= -is not specified on the mount command. To mount via NFS version 3, use the .BR nfs file system type and specify .BR nfsvers=3 . +Version 3 is the default protocol version for the +.BR nfs +file system type when +.BR nfsvers= +is not specified on the mount command and both client and server +support it. To mount via NFS version 4, use the .BR nfs4 file system type. @@ -45,8 +46,8 @@ file system type. These file system types share similar mount options; the differences are listed below. .P -Here is an example from an \fI/etc/fstab\fP file for an NFSv2 mount -over UDP. +Here is an example from an \fI/etc/fstab\fP file for an NFSv3 mount +over TCP. .sp .nf .ta 2.5i +0.75i +0.75i +1.0i @@ -195,7 +196,10 @@ many other operating systems. .I nolock Disable NFS locking. Do not start lockd. This has to be used with some old NFS servers -that don't support locking. +that don't support locking. Note that applications can +still get locks on files, but the locks only provide exclusion +locally. Other clients mounting the same filesystem +will not be able to detect the locks. .TP 1.5i .I bg If the first NFS mount attempt times out, retry the mount @@ -266,12 +270,12 @@ Note that there is a performance penalty when using integrity or privacy. .TP 1.5i .I tcp -Mount the NFS filesystem using the TCP protocol instead of the -default UDP protocol. Many NFS servers only support UDP. +Mount the NFS filesystem using the TCP protocol. This is the default +if it is supported by both client and server. Many NFS servers only +support UDP. .TP 1.5i .I udp -Mount the NFS filesystem using the UDP protocol. This -is the default. +Mount the NFS filesystem using the UDP protocol. .P All of the non-value options have corresponding nooption forms. For example, nointr means don't allow file operations to be @@ -439,14 +443,6 @@ interrupted. .SH AUTHOR "Rick Sladkey" .SH BUGS -The posix, and nocto options are parsed by mount -but currently are silently ignored. -.P -The tcp and namlen options are implemented but are not currently -supported by the Linux kernel. -.P -The umount command should notify the server -when an NFS filesystem is unmounted. .P Checking files on NFS filesystem referenced by file descriptors (i.e. the .BR fcntl