538 lines
7.7 KiB
HTML
538 lines
7.7 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Linux NFS-HOWTO</TITLE
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="NEXT"
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TITLE="Preamble"
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HREF="preamble.html"></HEAD
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><BODY
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CLASS="ARTICLE"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="ARTICLE"
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><DIV
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CLASS="TITLEPAGE"
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><H1
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CLASS="TITLE"
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><A
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NAME="AEN2">Linux NFS-HOWTO</H1
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><H3
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CLASS="AUTHOR"
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><A
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NAME="AEN4"
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>Tavis Barr</A
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></H3
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><DIV
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CLASS="AFFILIATION"
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><DIV
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CLASS="ADDRESS"
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><P
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CLASS="ADDRESS"
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> tavis dot barr at liu dot edu<br>
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</P
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></DIV
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></DIV
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><H3
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CLASS="AUTHOR"
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><A
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NAME="AEN10"
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>Nicolai Langfeldt</A
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></H3
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><DIV
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CLASS="AFFILIATION"
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><DIV
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CLASS="ADDRESS"
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><P
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CLASS="ADDRESS"
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> janl at linpro dot no<br>
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</P
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></DIV
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></DIV
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><H3
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CLASS="AUTHOR"
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><A
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NAME="AEN16"
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>Seth Vidal</A
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></H3
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><DIV
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CLASS="AFFILIATION"
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><DIV
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CLASS="ADDRESS"
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><P
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CLASS="ADDRESS"
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> skvidal at phy dot duke dot edu<br>
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</P
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></DIV
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></DIV
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><H3
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CLASS="AUTHOR"
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><A
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NAME="AEN22"
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>Tom McNeal</A
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></H3
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><DIV
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CLASS="AFFILIATION"
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><DIV
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CLASS="ADDRESS"
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><P
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CLASS="ADDRESS"
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> trmcneal at attbi dot com<br>
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</P
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></DIV
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></DIV
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><P
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CLASS="PUBDATE"
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>2002-08-25<BR></P
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><DIV
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CLASS="REVHISTORY"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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><TR
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><TH
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ALIGN="LEFT"
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VALIGN="TOP"
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COLSPAN="3"
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><B
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>Revision History</B
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></TH
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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>Revision v3.1</TD
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><TD
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ALIGN="LEFT"
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>2002-08-25</TD
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><TD
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ALIGN="LEFT"
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>Revised by: tavis</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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COLSPAN="3"
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>Typo in firewalling section in 3.0</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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>Revision v3.0</TD
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><TD
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ALIGN="LEFT"
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>2002-07-16</TD
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><TD
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ALIGN="LEFT"
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>Revised by: tavis</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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COLSPAN="3"
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>Updates plus additions to performance, security</TD
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></TR
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></TABLE
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></DIV
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><HR></DIV
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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>1. <A
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HREF="preamble.html"
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>Preamble</A
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></DT
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><DD
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><DL
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><DT
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>1.1. <A
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HREF="preamble.html#LEGAL"
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>Legal stuff</A
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></DT
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><DT
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>1.2. <A
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HREF="preamble.html#DISCLAIMER"
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>Disclaimer</A
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></DT
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><DT
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>1.3. <A
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HREF="preamble.html#FEEDBACK"
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>Feedback</A
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></DT
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><DT
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>1.4. <A
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HREF="preamble.html#TRANSLATION"
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>Translation</A
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></DT
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><DT
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>1.5. <A
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HREF="preamble.html#DEDICATION"
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>Dedication</A
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></DT
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></DL
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></DD
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><DT
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>2. <A
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HREF="intro.html"
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>Introduction</A
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></DT
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><DD
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><DL
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><DT
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>2.1. <A
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HREF="intro.html#WHAT"
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>What is NFS?</A
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></DT
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><DT
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>2.2. <A
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HREF="intro.html#SCOPE"
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>What is this HOWTO and what is it not?</A
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></DT
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><DT
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>2.3. <A
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HREF="intro.html#KNOWPREREQ"
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>Knowledge Pre-Requisites</A
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></DT
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><DT
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>2.4. <A
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HREF="intro.html#SWPREREQ"
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>Software Pre-Requisites: Kernel Version and nfs-utils</A
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></DT
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><DT
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>2.5. <A
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HREF="intro.html#FURTHERHELP"
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>Where to get help and further information</A
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></DT
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></DL
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></DD
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><DT
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>3. <A
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HREF="server.html"
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>Setting Up an NFS Server</A
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></DT
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><DD
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><DL
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><DT
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>3.1. <A
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HREF="server.html#SERVERINTRO"
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>Introduction to the server setup</A
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></DT
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><DT
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>3.2. <A
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HREF="server.html#CONFIG"
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>Setting up the Configuration Files</A
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></DT
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><DT
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>3.3. <A
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HREF="server.html#SERVICESTART"
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>Getting the services started</A
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></DT
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><DT
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>3.4. <A
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HREF="server.html#VERIFY"
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>Verifying that NFS is running</A
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></DT
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><DT
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>3.5. <A
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HREF="server.html#LATER"
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>Making changes to /etc/exports later on</A
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></DT
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></DL
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></DD
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><DT
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>4. <A
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HREF="client.html"
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>Setting up an NFS Client</A
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></DT
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><DD
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><DL
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><DT
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>4.1. <A
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HREF="client.html#REMOTEMOUNT"
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>Mounting remote directories</A
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></DT
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><DT
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>4.2. <A
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HREF="client.html#BOOT-TIME-NFS"
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>Getting NFS File Systems to Be Mounted at Boot Time</A
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></DT
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><DT
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>4.3. <A
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HREF="client.html#MOUNTOPTIONS"
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>Mount options</A
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></DT
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></DL
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></DD
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><DT
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>5. <A
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HREF="performance.html"
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>Optimizing NFS Performance</A
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></DT
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><DD
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><DL
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><DT
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>5.1. <A
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HREF="performance.html#BLOCKSIZES"
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>Setting Block Size to Optimize Transfer Speeds</A
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></DT
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><DT
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>5.2. <A
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HREF="performance.html#PACKET-AND-NETWORK"
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>Packet Size and Network Drivers</A
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></DT
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><DT
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>5.3. <A
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HREF="performance.html#FRAG-OVERFLOW"
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>Overflow of Fragmented Packets</A
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></DT
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><DT
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>5.4. <A
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HREF="performance.html#NFS-TCP"
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>NFS over TCP</A
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></DT
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><DT
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>5.5. <A
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HREF="performance.html#TIMEOUT"
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>Timeout and Retransmission Values</A
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></DT
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><DT
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>5.6. <A
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HREF="performance.html#NFSD-INSTANCE"
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>Number of Instances of the NFSD Server Daemon</A
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></DT
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><DT
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>5.7. <A
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HREF="performance.html#MEMLIMITS"
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>Memory Limits on the Input Queue</A
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></DT
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><DT
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>5.8. <A
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HREF="performance.html#AUTONEGOTIATION"
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>Turning Off Autonegotiation of NICs and Hubs</A
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></DT
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><DT
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>5.9. <A
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HREF="performance.html#SYNC-ASYNC"
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>Synchronous vs. Asynchronous Behavior in NFS</A
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></DT
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><DT
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>5.10. <A
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HREF="performance.html#NON-NFS-PERFORMANCE"
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>Non-NFS-Related Means of Enhancing Server Performance</A
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></DT
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></DL
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></DD
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><DT
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>6. <A
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HREF="security.html"
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>Security and NFS</A
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></DT
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><DD
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><DL
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><DT
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>6.1. <A
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HREF="security.html#PORTMAPPER-SECURITY"
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>The portmapper</A
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></DT
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><DT
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>6.2. <A
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HREF="security.html#SERVER.SECURITY"
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>Server security: nfsd and mountd</A
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></DT
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><DT
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>6.3. <A
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HREF="security.html#CLIENT.SECURITY"
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>Client Security</A
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></DT
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><DT
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>6.4. <A
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HREF="security.html#FIREWALLS"
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>NFS and firewalls (ipchains and netfilter)</A
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></DT
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><DT
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>6.5. <A
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HREF="security.html#NFS-SSH"
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>Tunneling NFS through SSH</A
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></DT
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><DT
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>6.6. <A
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HREF="security.html#SUMMARY"
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>Summary</A
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></DT
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></DL
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></DD
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><DT
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>7. <A
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HREF="troubleshooting.html"
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>Troubleshooting</A
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></DT
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><DD
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><DL
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><DT
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>7.1. <A
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HREF="troubleshooting.html#SYMPTOM1"
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>Unable to See Files on a Mounted File System</A
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></DT
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><DT
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>7.2. <A
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HREF="troubleshooting.html#SYMPTOM2"
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>File requests hang or timeout waiting for access to the file.</A
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></DT
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><DT
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>7.3. <A
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HREF="troubleshooting.html#SYMPTOM3"
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>Unable to mount a file system</A
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></DT
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><DT
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>7.4. <A
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HREF="troubleshooting.html#SYMPTOM4"
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>I do not have permission to access files on the mounted volume.</A
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></DT
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><DT
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>7.5. <A
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HREF="troubleshooting.html#SYMPTOM5"
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>When I transfer really big files, NFS takes over
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all the CPU cycles on the server and it screeches to a halt.</A
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></DT
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><DT
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>7.6. <A
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HREF="troubleshooting.html#SYMPTOM6"
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>Strange error or log messages</A
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></DT
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><DT
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>7.7. <A
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HREF="troubleshooting.html#SYMPTOM7"
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>Real permissions don't match what's in <TT
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CLASS="FILENAME"
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>/etc/exports</TT
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>.</A
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></DT
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><DT
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>7.8. <A
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HREF="troubleshooting.html#SYMPTOM8"
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>Flaky and unreliable behavior</A
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></DT
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><DT
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>7.9. <A
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HREF="troubleshooting.html#SYMPTOM9"
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>nfsd won't start</A
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></DT
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><DT
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>7.10. <A
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HREF="troubleshooting.html#SYMPTOM10"
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>File Corruption When Using Multiple Clients</A
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></DT
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></DL
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></DD
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><DT
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>8. <A
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HREF="interop.html"
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>Using Linux NFS with Other OSes</A
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></DT
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><DD
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><DL
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><DT
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>8.1. <A
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HREF="interop.html#AIX"
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>AIX</A
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></DT
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><DT
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>8.2. <A
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HREF="interop.html#BSD"
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>BSD</A
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></DT
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><DT
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>8.3. <A
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HREF="interop.html#TRU64"
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>Tru64 Unix</A
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></DT
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><DT
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>8.4. <A
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HREF="interop.html#HPUX"
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>HP-UX</A
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></DT
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><DT
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>8.5. <A
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HREF="interop.html#IRIX"
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>IRIX</A
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></DT
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><DT
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>8.6. <A
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HREF="interop.html#SOLARIS"
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>Solaris</A
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></DT
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><DT
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>8.7. <A
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HREF="interop.html#SUNOS"
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>SunOS</A
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></DT
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></DL
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></DD
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></DL
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="preamble.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Preamble</TD
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