DECdfs for OpenVMS Management Guide

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Contents (summary)
Preface	Preface
Chapter 1	Introduction to DECdfs
Chapter 2	Managing a DECdfs Server
Chapter 3	Managing a DECdfs Client
Chapter 4	DFS$CONTROL Commands
Appendix A	Status Messages
Appendix B	Troubleshooting the DECdfs Environment
Appendix C	Adjusting DECnet and Client RMS Parameters to Enhance Performance
Appendix D	Obsolete Command Qualifiers and Configuration Logicals
Appendix E	Information for Programmers
Appendix F	Restrictions on Extended File Specifications Support
	Index
	Figures
	Examples
	Tables

Contents

Preface

Preface Preface

Chapter 1

1 Introduction to DECdfs

     1.1     Components of a DECdfs Environment

         1.1.1         Digital Distributed Name Service

         1.1.2         Access Points

         1.1.3         DECdfs Management Components

             1.1.3.1             The Server

             1.1.3.2             The Client

             1.1.3.3             The Communication Entity

     1.2     Client-Server Consistency Issues

         1.2.1         System Times on the Client and Server

         1.2.2         Logical Names on the Client and Server

     1.3     Comparison of Standard OpenVMS File Access and DECdfs File Access

     1.4     The DFS$CONTROL Commands

         1.4.1         Using DFS$CONTROL Commands in DECdfs Command Files

         1.4.2         Using DFS$CONTROL Commands Interactively

         1.4.3         Getting Help with DECdfs

Chapter 2

2 Managing a DECdfs Server

     2.1     Setting System Parameters

         2.1.1         Limiting the Number of Open Files

         2.1.2         Controlling DECdfs Activity

         2.1.3         Limiting Inactive DECdfs DECnet Links

     2.2     Setting Up Proxy Accounts

         2.2.1         Setting Up Privileges

         2.2.2         Setting Up UICs, ACLs, and User Names

             2.2.2.1             User Identification Codes

             2.2.2.2             Access Control Lists

             2.2.2.3             User Names

         2.2.3         Giving Cluster Clients Access to Server Files

         2.2.4         Allowing Client Users to Print Server Files

     2.3     Creating and Managing Access Points

         2.3.1         Deciding Where to Place Access Points

         2.3.2         Adding Access Points

             2.3.2.1             Systems with DECdns

             2.3.2.2             Systems Without DECdns

             2.3.2.3             Using the /LOCAL Qualifier

         2.3.3         Determining Access Point Information

         2.3.4         Changing Access Points

         2.3.5         Removing Access Points Added with the /CLUSTER_ALIAS Qualifier

         2.3.6         Maintaining Consistency with DECdns

     2.4     Protecting Server Files

     2.5     Protecting Individual Files

     2.6     Managing the Persona Cache

         2.6.1         Specifying the Lifetime of Persona Blocks

         2.6.2         Flushing the Cache

         2.6.3         Displaying Cache Counters

     2.7     Managing the Data Cache

         2.7.1         Specifying the Size of the Cache

         2.7.2         Specifying the Per-File Quota

         2.7.3         Displaying Cache Counters

     2.8     Using a Cluster as a DECdfs Server

         2.8.1         Serving an Access Point from a Cluster Alias

         2.8.2         Serving an Access Point from Individual Cluster Members

     2.9     Stopping and Starting DECdfs on Your System

Chapter 3

3 Managing a DECdfs Client

     3.1     Setting System Parameters

     3.2     Mounting Access Points

         3.2.1         Assigning Device Unit Numbers

         3.2.2         Assigning Logical Names

         3.2.3         Specifying Volume Names

         3.2.4         Enabling Data Checking

         3.2.5         Mounting Alternative Access Points

     3.3     Displaying Client Device Information

     3.4     Using the Client Device

         3.4.1         Printing Server-Based Files on a Client

         3.4.2         User Identification Codes on Server Files

         3.4.3         Access Control Lists on Server Files

         3.4.4         DECdfs Error Conditions

         3.4.5         DECdfs Mount Verification

         3.4.6         Partially Mounted Devices

     3.5     Performing Checksum Comparisons on DECdfs Connections

     3.6     Printing Files from a Client Device

     3.7     Using the OpenVMS Backup Utility with a Client Device

     3.8     Using a Cluster as a DECdfs Client

         3.8.1         Using Cluster Aliases

         3.8.2         Submitting Print and Batch Jobs

     3.9     Stopping and Starting DECdfs on Your System

Chapter 4

4 DFS$CONTROL Commands

    Command 1     ADD ACCESS_POINT

    Command 2     DISMOUNT

    Command 3     EXIT

    Command 4     HELP

    Command 5     MOUNT

    Command 6     REMOVE ACCESS_POINT

    Command 7     SET COMMUNICATION

    Command 8     SET SERVER

    Command 9     SHOW ACCESS_POINT

    Command 10     SHOW CLIENT

    Command 11     SHOW COMMUNICATION

    Command 12     SHOW SERVER

    Command 13     SHOW VERSIONS

    Command 14     SHUTDOWN COMMUNICATION

    Command 15     SNAPSHOT CLIENT

    Command 16     SNAPSHOT COMMUNICATION

    Command 17     SNAPSHOT SERVER

    Command 18     START COMMUNICATION

    Command 19     START SERVER

    Command 20     STOP COMMUNICATION

    Command 21     STOP SERVER

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