X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=utils%2Fmountd%2Fmountd.man;h=bfa06e08eec72d6e737d14bc0b10aad74290fd79;hb=2dd083c5bdb5b38729b46dc65c886c77aa5a82b9;hp=a815a52d66cdf6c6539054dc96f33fe76032ecb3;hpb=e873a11144f5cbfa6b54a3b2eb3af131cbd5ebbd;p=nfs-utils.git

diff --git a/utils/mountd/mountd.man b/utils/mountd/mountd.man
index a815a52..bfa06e0 100644
--- a/utils/mountd/mountd.man
+++ b/utils/mountd/mountd.man
@@ -119,11 +119,25 @@ The third will be the path that the client is mounting.
 The last is the number of concurrent mounts that we believe the client
 has of that path.
 .TP
-.BI "\-P," "" " \-\-state\-directory\-path "  directory
+.BI "\-s," "" " \-\-state\-directory\-path "  directory
 specify a directory in which to place statd state information.
-If this option is not specified the default of 
+If this option is not specified the default of
 .BR /var/lib/nfs
-is used. (This is a Debian-specific extension.)
+is used.
+.TP
+.BI "\-r," "" " \-\-reverse\-lookup"
+mountd tracks IP addresses in the rmtab, and when a DUMP request is made (by
+someone running showmount -a, for instance), it returns IP addresses instead
+of hostnames by default. This option causes mountd to do a reverse
+lookup on each IP address and return that hostname instead. Enabling this can
+have a substantial negative effect on performance in some situations.
+.TP
+.BR "\-t N" " or " "\-\-num\-threads=N"
+This option specifies the number of worker threads that rpc.mountd
+spawns.  The default is 1 thread, which is probably enough.  More
+threads are usually only needed for NFS servers which need to handle
+mount storms of hundreds of NFS mounts in a few seconds, or when
+your DNS server is slow or unreliable.
 .TP
 .B \-V " or " \-\-nfs-version
 This option can be used to request that
@@ -136,6 +150,21 @@ can support both NFS version 2 and the newer version 3.
 Print the version of
 .B rpc.mountd
 and exit.
+.TP
+.B \-g " or " \-\-manage-gids
+Accept requests from the kernel to map user id numbers into  lists of
+group id numbers for use in access control.  An NFS request will
+normally (except when using Kerberos or other cryptographic
+authentication) contains a user-id and a list of group-ids.  Due to a
+limitation in the NFS protocol, at most 16 groups ids can be listed.
+If you use the
+.B \-g
+flag, then the list of group ids received from the client will be
+replaced by a list of group ids determined by an appropriate lookup on
+the server. Note that the 'primary' group id is not affected so a
+.I newgroup
+command on the client will still be effective.  This function requires
+a Linux Kernel with version at least 2.6.21.
 
 .SH TCP_WRAPPERS SUPPORT
 This
@@ -152,13 +181,15 @@ mountd: .bar.com
 You have to use the daemon name 
 .B mountd
 for the daemon name (even if the binary has a different name).
+.B Note:
+hostnames used in either access file will be ignored when
+they can not be resolved into IP addresses.
 
 For further information please have a look at the
 .BR tcpd (8)
 and
 .BR hosts_access (5)
 manual pages.
-
 .SH SEE ALSO
 .BR rpc.nfsd (8),
 .BR exportfs (8),