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Contents
Figures ........................... vii
Tables ........................... ix
About OS/400 Network File System Support (SC41-5714) ....... xi
Who should read this book .................... xi
AS/400 Operations Navigator ................... xi
Installing Operations Navigator.................. xii
Prerequisite and related information ................. xii
How to send your comments ...................xiii
Summary of Changes ..................... xv
Chapter 1. What is the Network File System? ............ 1
Introduction .......................... 1
A Brief History ......................... 3
The Network File System as a File System .............. 3
Stateless Network Protocol .................... 4
Overview of the TULAB Scenario .................. 4
Chapter 2. The Network File System Client/Server Model........ 7
Network File System Client/Server Communication Design ........ 7
Network File System Process Layout ............... 8
Network File System Stack Description .............. 8
AS/400 as a Network File System Server ............... 9
Network File System Server-Side Daemons ............. 9
AS/400 as a Network File System Client ...............11
Network File System Client-Side Daemons .............12
NFS Client-Side Caches ....................12
Chapter 3. NFS and the User-Defined File System (UDFS) .......15
User File System Management ..................15
Create a User-Defined File System ................15
Display a User-Defined File System ................17
Delete a User-Defined File System ................18
Mount a User-Defined File System ................19
Unmount a User-Defined File System ...............20
Saving and Restoring a User-Defined File System ..........21
Graphical User Interface ....................21
User-Defined File System Functions in the Network File System ......22
Using User-Defined File Systems with Auxiliary Storage Pools ......23
Chapter 4. Server Exporting of File Systems ............25
What is Exporting? .......................25
Why Should I Export? ......................26
TULAB Scenario .......................26
What File Systems Can I Export?..................27
How Do I Export File Systems? ..................28
Rules for Exporting File Systems .................28
CHGNFSEXP (Change Network File System Export) Command .....30
Exporting from Operations Navigator ...............33
Finding out what is exported ..................36
Exporting Considerations ....................38
© Copyright IBM Corp. 1997, 1999 iii