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rpcdebug(8)


NAME

   rpcdebug - set and clear NFS and RPC kernel debug flags

SYNOPSIS

   rpcdebug -vh
   rpcdebug -m module
   rpcdebug -m module -s flags...
   rpcdebug -m module -c flags...

DESCRIPTION

   The rpcdebug command allows an administrator to set and clear the Linux
   kernel's NFS client and server debug flags.  Setting these flags causes
   the  kernel  to  emit  messages  to  the  system log in response to NFS
   activity; this is typically useful when debugging NFS problems.

   The first form in the synopsis can be used to list all available  debug
   flags.   The  second  form  shows the currently set debug flags for the
   given module.  The third form sets one or more flags,  and  the  fourth
   form clears one or more flags.

   The  value  all may be used to set or clear all the flags for the given
   module.

OPTIONS

   -c     Clear the given debug flags.

   -h     Print a help message  and  exit.   When  combined  with  the  -v
          option, also prints the available debug flags.

   -m module
          Specify which module's flags to set or clear.  Available modules
          are:

          nfsd   The NFS server.

          nfs    The NFS client.

          nlm    The Network Lock Manager, in  either  an  NFS  client  or
                 server.

          rpc    The Remote Procedure Call module, in either an NFS client
                 or server.

   -s     Set the given debug flags.

   -v     Increase the verbosity of rpcdebug's output.

FILES

   /proc/sys/sunrpc/{rpc,nfs,nfsd,nlm}_debug
          procfs-based interface to kernel debug flags.

SEE ALSO

   rpc.nfsd(8), nfs(5), syslogd(8).

BUGS

   Bugs can be found or reported at http://nfs.sf.net/.

AUTHOR

   Program by Olaf Kirch <okir@suse.de> and <frederic.jolly@bull.ext.net>.
   Manpage by Greg Banks <gnb@melbourne.sgi.com>.

                              5 Jul 2006                       rpcdebug(8)



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