X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmountd%2Fmountd.man;h=bfa06e08eec72d6e737d14bc0b10aad74290fd79;hp=64e508a26ea2768ad39ca98e4384b9c36162105f;hb=9ccfe0fa5a43dfc4453b09e328565a6c8f999fe4;hpb=af93e0306d87bba3f703386fd6390e9bf8e76816 diff --git a/utils/mountd/mountd.man b/utils/mountd/mountd.man index 64e508a..bfa06e0 100644 --- a/utils/mountd/mountd.man +++ b/utils/mountd/mountd.man @@ -119,6 +119,26 @@ 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 "\-s," "" " \-\-state\-directory\-path " directory +specify a directory in which to place statd state information. +If this option is not specified the default of +.BR /var/lib/nfs +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 .B rpc.mountd @@ -130,6 +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 @@ -146,13 +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),