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 nfsstat(1M)							 nfsstat(1M)




 NAME
      nfsstat - Network File System statistics

 SYNOPSIS
      nfsstat [ -cmnrsz ]

 DESCRIPTION
      nfsstat displays statistical information about the NFS (Network File
      System) and RPC (Remote Procedure Call), interfaces to the kernel.  It
      can also be used to reinitialize this information.  If no options are
      given, the default is

	   nfsstat -cnrs

      That is, display everything, but reinitialize nothing.

    OPTIONS
      -c   Display client information.	Only the client side NFS and RPC
	   information will be printed.	 Can be combined with the -n and -r
	   options to print client NFS or client RPC information only.

      -m   Display statistics for each NFS mounted file system.	 This
	   includes the server name and address, mount flags, current read
	   and write sizes, the retransmission count, and the timers used
	   for dynamic retransmission.	The srtt value contains the smoothed
	   round trip time, the dev value contains the estimated deviation,
	   and the cur value is the current backed-off retransmission value.

      -n   Display NFS information.  NFS information for both the client and
	   server side will be printed.	 Can be combined with the -c and -s
	   options to print client or server NFS information only.

      -r   Display RPC information.

      -s   Display server information.

      -z   Zero (reinitialize) statistics.  This option is for use by the
	   super-user only, and can be combined with any of the above
	   options to zero particular sets of statistics after printing
	   them.

    DISPLAYS
      The server RPC display includes the following fields:

	   calls	The total number of RPC calls received.

	   badcalls	The total number of calls rejected by the RPC layer
			(the sum of badlen and xdrcall as defined below).

	   nullrecv	The number of times an RPC call was not available
			when it was thought to be received.



 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000






 nfsstat(1M)							 nfsstat(1M)




	   badlen	The number of RPC calls with a length shorter than a
			minimum-sized RPC call.

	   xdrcall	The number of RPC calls whose header could not be
			XDR decoded.

      The server NFS display shows the number of NFS calls received (calls)
      and rejected (badcalls), and the counts and percentages for the
      various calls that were made.

      The client RPC display includes the following fields:

	   calls	The total number of RPC calls made.

	   badcalls	The total number of calls rejected by the RPC layer.

	   retrans	The number of times a call had to be retransmitted
			due to a timeout while waiting for a reply from the
			server.

	   badxid	The number of times a reply from a server was
			received which did not correspond to any outstanding
			call.

	   timeout	The number of times a call timed out while waiting
			for a reply from the server.

	   wait		The number of times a call had to wait because no
			client handle was available.

	   newcred	The number of times authentication information had
			to be refreshed.

	   timers	The number of times the calculated time-out value
			was greater than or equal to the minimum specified
			time-out value for a call.

      The client NFS display shows the number of calls sent and rejected, as
      well as the number of times a CLIENT handle was received (nclget), the
      number of times a call had to sleep while awaiting a handle
      (nclsleep), as well as a count of the various calls and their
      respective percentages.

 AUTHOR
      nfsstat was developed by Sun Microsystems, Inc.









 Hewlett-Packard Company	    - 2 -   HP-UX Release 11i: November 2000