diff options
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/mount_nfs/mount_nfs.8 | 98 |
1 files changed, 55 insertions, 43 deletions
diff --git a/sbin/mount_nfs/mount_nfs.8 b/sbin/mount_nfs/mount_nfs.8 index 00ff9e2..4d5577f 100644 --- a/sbin/mount_nfs/mount_nfs.8 +++ b/sbin/mount_nfs/mount_nfs.8 @@ -30,15 +30,14 @@ .\" SUCH DAMAGE. .\" .\" @(#)mount_nfs.8 8.3 (Berkeley) 3/29/95 -.\" .\" $FreeBSD$ -.\"" -.Dd March 29, 1995 +.\" +.Dd May 11, 2003 .Dt MOUNT_NFS 8 .Os .Sh NAME .Nm mount_nfs -.Nd mount nfs file systems +.Nd mount NFS file systems .Sh SYNOPSIS .Nm .Op Fl 23NPTUbcdiLls @@ -58,7 +57,7 @@ The .Nm utility calls the .Xr mount 2 -system call to prepare and graft a remote nfs file system +system call to prepare and graft a remote NFS file system .Pq Ar rhost : Ns Ar path on to the file system tree at the point .Ar node . @@ -94,8 +93,8 @@ The options are: .Bl -tag -width indent .It Fl 2 Use the NFS Version 2 protocol (the default is to try version 3 first -then version 2). Note that NFS version 2 has a file size limit of 2 -gigabytes. +then version 2). +Note that NFS version 2 has a file size limit of 2 gigabytes. .It Fl 3 Use the NFS Version 3 protocol. .It Fl D @@ -107,7 +106,9 @@ message is displayed. .It Fl I Set the readdir read size to the specified value. The value should normally -be a multiple of DIRBLKSIZ that is <= the read size for the mount. +be a multiple of +.Dv DIRBLKSIZ +that is <= the read size for the mount. .It Fl L Do .Em not @@ -115,10 +116,10 @@ forward .Xr fcntl 2 locks over the wire. All locks will be local and not seen by the server -and likewise not seen by other NFS clients. This removes -the need to run the +and likewise not seen by other NFS clients. +This removes the need to run the .Xr rpcbind 8 -service and the +service and the .Xr rpc.statd 8 and .Xr rpc.lockd 8 @@ -208,68 +209,75 @@ flag followed by a comma separated string of options. See the .Xr mount 8 man page for possible options and their meanings. -The following NFS specific option is also available: +The following NFS specific options are also available: .Bl -tag -width indent -.It port=<port_number> +.It Cm port Ns = Ns Aq Ar port_number Use specified port number for NFS requests. The default is to query the portmapper for the NFS port. -.It acregmin=<seconds> -.It acregmax=<seconds> -.It acdirmin=<seconds> -.It acdirmax=<seconds> +.It Cm acregmin Ns = Ns Aq Ar seconds +.It Cm acregmax Ns = Ns Aq Ar seconds +.It Cm acdirmin Ns = Ns Aq Ar seconds +.It Cm acdirmax Ns = Ns Aq Ar seconds When attributes of files are cached, a timeout calculated to determine -whether a given cache entry has expired. These four values determine the -upper and lower bounds of the timeouts for ``directory'' attributes and -``regular'' (ie: everything else). The default values are 3 -> 60 seconds -for regular files, and 30 -> 60 seconds for directories. The algorithm to -calculate the timeout is based on the age of the file. The older the file, +whether a given cache entry has expired. +These four values determine the upper and lower bounds of the timeouts for +.Dq directory +attributes and +.Dq regular +(ie: everything else). +The default values are 3 -> 60 seconds +for regular files, and 30 -> 60 seconds for directories. +The algorithm to calculate the timeout is based on the age of the file. +The older the file, the longer the cache is considered valid, subject to the limits above. -.It noinet4 -.It noinet6 -Disables AF_INET or AF_INET6 connections. Useful for hosts that have +.It Cm noinet4 , noinet6 +Disables +.Dv AF_INET +or +.Dv AF_INET6 +connections. +Useful for hosts that have both an A record and an AAAA record for the same name. .El -.Pp -.Bl -tag -width "dumbtimerXX" -\fBHistoric \&-o options\fR -.Pp +.Bl -tag -width ".Cm dumbtimer" +.Ss Historic Fl o Ss Options Use of these options is deprecated, they are only mentioned here for compatibility with historic versions of .Nm . -.It bg +.It Cm bg Same as .Fl b . -.It conn +.It Cm conn Same as not specifying .Fl c . -.It dumbtimer +.It Cm dumbtimer Same as .Fl d . -.It intr +.It Cm intr Same as .Fl i . -.It lockd +.It Cm lockd Same as not specifying .Fl L . -.It nfsv2 +.It Cm nfsv2 Same as .Fl 2 . -.It nfsv3 +.It Cm nfsv3 Same as .Fl 3 . -.It rdirplus +.It Cm rdirplus Same as .Fl l . -.It mntudp +.It Cm mntudp Same as .Fl U . -.It resvport +.It Cm resvport Same as .Fl P . -.It soft +.It Cm soft Same as .Fl s . -.It tcp +.It Cm tcp Same as .Fl T . .El @@ -291,7 +299,9 @@ See the option as well. .It Fl s A soft mount, which implies that file system calls will fail -after \fBRetry\fR round trip timeout intervals. +after +.Ar retrycnt +round trip timeout intervals. .It Fl t Set the initial retransmit timeout to the specified value. May be useful for fine tuning UDP mounts over internetworks @@ -300,7 +310,9 @@ Try increasing the interval if .Xr nfsstat 1 shows high retransmit rates while the file system is active or reducing the value if there is a low retransmit rate but long response delay observed. -(Normally, the -d option should be specified when using this option to manually +(Normally, the +.Fl d +option should be specified when using this option to manually tune the timeout interval.) .It Fl w |