INFORMIX-OnLine
Dynamic Server
Database Server
Administrator’s Guide
Version 7.2
July 1996
Part No. 000-7862B
®
ii INFORMIX-OnLine Dynamic Server Administrator’s Guide
Published by INFORMIX
®
Press Informix Software, Inc.
4100 Bohannon Drive
Menlo Park, CA 94025
The following are worldwide trademarks of Informix Software, Inc., or its subsidiaries, registered in the
United States of America as indicated by “®,” and in numerous other countries worldwide:
INFORMIX
; INFORMIX
-OnLine Dynamic Server; C-ISAM
The following are worldwide trademarks of the indicated owners or their subsidiaries, registered in the
United States of America as indicated by “®,” and in numerous other countries worldwide:
Novell, Inc.: Novell
; NetWare
; IPX/SPX
UNIX System Laboratories: OPEN LOOK
X/OpenCompany Ltd.: UNIX
; X/Open
Some of the products or services mentioned in this document are provided by companies other than Informix.
These products or services are identified by the trademark or servicemark of the appropriate company. If you
have a question about one of those products or services, please call the company in question directly.
Documentation Team: Diana Chase, Sally Cox, Tom DeMott, Geeta Karmarkar, Ed Korthof, Joe Meyers,
Patrice O’Neill, Virginia Panlasigui, Judith Sherwood, Katarina Stenstedt
Copyright © 1981-1996 by Informix Software, Inc. All rights reserved.
No part of this work covered by the copyright hereon may be reproduced or used in any form or by any
means—graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage
and retrieval systems—without permission of the publisher.
RESTRICTED RIGHTS LEGEND
Software and accompanying materials acquired with United States Federal Government funds or intended for
use within or for any United States federal agency are provided with “Restricted Rights” as defined in DFARS
252.227-7013(c)(1)(ii) or FAR 52.227-19.
List of Chapters
List of
Chapters
Section I What Is INFORMIX-OnLine Dynamic
Server?
Chapter 1 What Is INFORMIX-OnLine Dynamic Server?
Chapter 2 Overview of OnLine Administration
Section II Configuration
Chapter 3 Installing and Configuring OnLine
Chapter 4 Client/Server Communications
Chapter 5 What Is Multiple Residency?
Chapter 6 Using Multiple Residency
iv INFORMIX-OnLine Dynamic Server Administrator’s Guide
Section III Modes and Initialization
Chapter 7 What Are OnLine Operating Modes?
Chapter 8 Managing Modes
Chapter 9 What Is Initialization?
Section IV Disk, Memory, and Process
Management
Chapter 10 What Is the Dynamic Scalable Architecture?
Chapter 11 Managing Virtual Processors
Chapter 12 OnLine Shared Memory
Chapter 13 Managing OnLine Shared Memory
Chapter 14 Where Is Data Stored?
Chapter 15 Managing Disk Space
Chapter 16 What Is Fragmentation?
Chapter 17 Managing Fragmentation
Chapter 18 What Is PDQ?
Chapter 19 Managing PDQ and Decision Support
List of Chapters v
Section V Logging and Log Administration
Chapter 20 What Is Logging?
Chapter 21 Managing Database-Logging Status
Chapter 22 What Is the Logical Log?
Chapter 23 Managing Logical-Log Files
Chapter 24 What Is Physical Logging?
Chapter 25 Managing the Physical Log
Chapter 26 What Is Fast Recovery?
Section VI Fault Tolerance
Chapter 27 What Is Mirroring?
Chapter 28 Using Mirroring
Chapter 29 What Is Data Replication?
Chapter 30 Using Data Replication
Chapter 31 What Is Consistency Checking?
Chapter 32 Situations to Avoid
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