nfsstat(1M)                                                     nfsstat(1M)




 NAME    [Toc]    [Back]
      nfsstat - Network File System statistics

 SYNOPSIS    [Toc]    [Back]
      nfsstat [ -cmnrsz ]

 DESCRIPTION    [Toc]    [Back]
      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    [Toc]    [Back]
      -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    [Toc]    [Back]
      The server RPC display includes the following fields:

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

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





 Hewlett-Packard Company            - 1 -   HP-UX 11i Version 2: August 2003






 nfsstat(1M)                                                     nfsstat(1M)




           calls        The total number of RPC calls received.

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

           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:

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

           badverfs     The number of times the call failed due to a bad
                        verifier in the response.

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

           calls        The total number of RPC calls made.

           cantconn     The number of times the call failed due to a failure
                        to make a connection to the server.

           cantsend     The number of times a client was unable to send an
                        RPC request over a connectionless transport when it
                        tried to do so.

           interrupts   The number of times the call was interrupted by a
                        signal before completing.

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

           nomem        The number of times the call failed due to a failure
                        to allocate memory.

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

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

           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.



 Hewlett-Packard Company            - 2 -   HP-UX 11i Version 2: August 2003






 nfsstat(1M)                                                     nfsstat(1M)




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

      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    [Toc]    [Back]
      nfsstat was developed by Sun Microsystems, Inc.


 Hewlett-Packard Company            - 3 -   HP-UX 11i Version 2: August 2003