4953763 Need way to configure NFS window sizes without changing system wide defaults
6216670 NFS server needs a bigger transmit buffer

          --- old/usr/src/cmd/fs.d/nfs/etc/nfs.dfl
          +++ new/usr/src/cmd/fs.d/nfs/etc/nfs.dfl
   1      -# ident "%Z%%M% %I%     %E% SMI"
   2    1  #
   3      -# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
        2 +# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   4    3  # Use is subject to license terms.
   5    4  #
   6    5  # CDDL HEADER START
   7    6  #
   8    7  # The contents of this file are subject to the terms of the
   9      -# Common Development and Distribution License, Version 1.0 only
  10      -# (the "License").  You may not use this file except in compliance
  11      -# with the License.
        8 +# Common Development and Distribution License (the "License").
        9 +# You may not use this file except in compliance with the License.
  12   10  #
  13   11  # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  14   12  # or http://www.opensolaris.org/os/licensing.
  15   13  # See the License for the specific language governing permissions
  16   14  # and limitations under the License.
  17   15  #
  18   16  # When distributing Covered Code, include this CDDL HEADER in each
  19   17  # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  20   18  # If applicable, add the following below this CDDL HEADER, with the
  21   19  # fields enclosed by brackets "[]" replaced with your own identifying

  22   20  # information: Portions Copyright [yyyy] [name of copyright owner]
  23   21  #
  24   22  # CDDL HEADER END
  25   23  #
  26   24  
  27   25  # Sets the maximum number of concurrent connection oriented connections.
  28   26  # Default is unlimited and is obtained by not setting NFSD_MAX_CONNECTIONS.
  29   27  # Equivalent to -c.
  30   28  #NFSD_MAX_CONNECTIONS=
  31   29  
  32   30  # Set connection queue length for the NFS over a connection-oriented 
  33   31  # transport. The default value is 32 entries.
  34   32  # Equivalent to -l.
  35   33  NFSD_LISTEN_BACKLOG=32
  36   34  
  37   35  # Start NFS daemon over the specified protocol only.
  38   36  # Equivalent to -p, ALL is equivalent to -a on the nfsd command line.
  39   37  # Mutually exclusive with NFSD_DEVICE.
  40   38  NFSD_PROTOCOL=ALL
  41   39  
  42   40  # Start NFS daemon for the transport specified by the given device only.
  43   41  # Equivalent to -t.
  44   42  # Mutually exclusive with setting NFSD_PROTOCOL.
  45   43  #NFSD_DEVICE=
  46   44  
  47   45  # Maximum number of concurrent NFS requests.
  48   46  # Equivalent to last numeric argument on nfsd command line.
  49   47  NFSD_SERVERS=16
  50   48  
  51   49  # Set connection queue length for lockd over a connection-oriented transport.
  52   50  # Default and minimum value is 32.
  53   51  LOCKD_LISTEN_BACKLOG=32
  54   52  
  55   53  # Maximum number of concurrent lockd requests.
  56   54  # Default is 20.
  57   55  LOCKD_SERVERS=20
  58   56  
  59   57  # Retransmit Timeout before lockd tries again.
  60   58  # Default is 5.
  61   59  LOCKD_RETRANSMIT_TIMEOUT=5
  62   60  
  63   61  # Grace period in seconds that all clients (both NLM & NFSv4) have to
  64   62  # reclaim locks after a server reboot. Also controls the NFSv4 lease
  65   63  # interval.
  66   64  # Overrides the deprecated setting LOCKD_GRACE_PERIOD.
  67   65  # Default is 90 seconds.
  68   66  GRACE_PERIOD=90
  69   67  
  70   68  # Deprecated.
  71   69  # As for GRACE_PERIOD, above.
  72   70  # Default is 90 seconds.
  73   71  #LOCKD_GRACE_PERIOD=90
  74   72  
  75   73  # Sets the minimum version of the NFS protocol that will be registered
  76   74  # and offered by the server.  The default is 2.
  77   75  #NFS_SERVER_VERSMIN=2
  78   76  
  79   77  # Sets the maximum version of the NFS protocol that will be registered
  80   78  # and offered by the server.  The default is 4.
  81   79  #NFS_SERVER_VERSMAX=4
  82   80  
  83   81  # Sets the minimum version of the NFS protocol that will be used by
  84   82  # the NFS client.  Can be overridden by the "vers=" NFS mount option.
  85   83  # The default is 2.
  86   84  #NFS_CLIENT_VERSMIN=2
  87   85  
  88   86  # Sets the maximum version of the NFS protocol that will be used by
  89   87  # the NFS client.  Can be overridden by the "vers=" NFS mount option.
  90   88  # If "vers=" is not specified for an NFS mount, this is the version
  91   89  # that will be attempted first.  The default is 4.
  92   90  #NFS_CLIENT_VERSMAX=4
  93   91  

  94   92  # Determines if the NFS version 4 delegation feature will be enabled
  95   93  # for the server.  If it is enabled, the server will attempt to
  96   94  # provide delegations to the NFS version 4 client. The default is on.
  97   95  #NFS_SERVER_DELEGATION=on
  98   96  
  99   97  # Specifies to nfsmapid daemon that it is to override its default
 100   98  # behavior of using the DNS domain, and that it is to use 'domain' as
 101   99  # the domain to append to outbound attribute strings, and that it is to
 102  100  # use 'domain' to compare against inbound attribute strings.
 103  101  #NFSMAPID_DOMAIN=domain
      102 +
      103 +# Specifies TCP send and receive buffer size of NFS server connections.
      104 +#
      105 +# To override the default values and force NFS connections to use system-wide
      106 +# default TCP send and receive buffer size, set the corresponding option to 0.
      107 +#
      108 +# Default is 1048576 bytes, which is the current maximum allowable buffer size
      109 +# limited by system-wide 'tcp_max_buf' configuration variable. To set the buffer
      110 +# size beyond the current maximum allowable value, increase 'tcp_max_buf' to
      111 +# a value greater than, or equal to, the desired value for NFS_SERVER_SNDBUFSZ
      112 +# and NFS_SERVER_RCVBUFSZ. 
      113 +#
      114 +#NFS_SERVER_SNDBUFSZ=1048576
      115 +#NFS_SERVER_RCVBUFSZ=1048576
    

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