Unix Backup & Recovery provides a complete
overview of all facets of
Unix backup and
recovery, and
offers practical, affordable backup and recovery solutions
for environments of all sizes and budgets. The book begins
with detailed explanations of the native backup utilities
available to the
Unix administrator, and ends with
practical advice on choosing a commercial backup
utility.
This book:
- Describes the features, limitations, and syntax of Unix
backup and restore utilities,(including dump, tar, cpio,
dd, GNUtar, and GNUcpio) for many popular versions of Unix,
including AIX, Compaq Unix, HP-UX, IRIX, SCO, Solaris, and
Linux
- Provides instructions for installing and configuring
freely available backup systems such as AMANDA
- Includes ready-to-run shell scripts that automate live
backups of Informix, Oracle, and Sybase databases
- Presents step-by-step recovery procedures for Oracle,
Informix, and Sybase
- Presents step-by-step "bare-metal" disaster recovery
procedures for AIX, Compaq Unix, HP-UX, IRIX, Solaris, and
Linux
- Describes the design of "disaster recovery" and "highly
available" systems
- Provides guidance on choosing a commercial backup and
recovery system
- Describes the features and limitations of backup
hardware
Table of contents
Preface
I.
Introduction
1. Preparing for the Worst
My Dad Was Right
Developing a Disaster Recovery
Plan
Step 1: Define (Un)acceptable
Loss
Step 2: Back Up Everything
Step 3: Organize Everything
Step 4: Protect Against
Disasters
Step 5: Document What You Have
Done
Step 6: Test, Test, Test
Put It All Together
2. Backing It All Up
Don't Skip This Chapter!
Why Should You Read This Book?
How Serious Is Your Company About
Backups?
You Can Find a Balance
Deciding What to Back Up
Deciding When to Back Up
Deciding How to Back Up
Storing Your Backups
Testing Your Backups
Monitoring Your Backups
Following Proper Development
Procedures
Unrelated Miscellanea
Good Luck
II. Freely Available
Filesystem Backup & Recovery Utilities
3. Native Backup & Recovery Utilities
An Overview
Backing Up with the dump Utility
Restoring with the restore
Utility
Limitations of dump and restore
Features to Check For
Backing Up and Restoring with the cpio
Utility
Backing Up and Restoring with the tar
Utility
Backing Up and Restoring with the dd
Utility
Comparing tar, cpio, and dump
How Do I Read This Volume?
4. Free Backup Utilities
The hostdump.sh Utility
The infback.sh, oraback.sh, and
syback.sh Utilities
A Really Fast tar Utility: star
Recording Configuration Data: The
SysAudit Utility
Displaying Host Information: The
SysInfo Utility
Performing Remote Detections: The
queso Utility
Mapping Your Network: The nmap
Utility
AMANDA
III. Commercial
Filesystem Backup & Recovery Utilities
5. Commercial Backup Utilities
What to Look For
Full Support of Your Platforms
Backup of Raw Partitions
Backup of Very Large Filesystems and
Files
Simultaneous Backup of Many Clients to
One Drive
Simultaneous Backup of One Client to
Many Drives
Data Requiring Special Treatment
Storage Management Features
Reduction in Network Traffic
Support of a Standard or Custom Backup
Format
Ease of Administration
Security
Ease of Recovery
Protection of the Backup Index
Robustness
Automation
Volume Verification
Cost
Vendor
Conclusions
6. High Availability
What Is High Availability?
HA Building Blocks
Commercial HA Solutions
The Impact of an HA Solution
IV. Bare-Metal Backup
& Recovery Methods
7. SunOS/Solaris
What About Fire?
Homegrown Bare-Metal Recovery
Recovering a SunOS/Solaris System
8. Linux
How It Works
A Sample Bare-Metal Recovery
9. Compaq True-64 Unix
Compaq's btcreate Utility
Homegrown Bare-Metal Recovery
10. HP-UX
HP's make_recovery Utility
The copyutil Utility
Using dump and restore
11. IRIX
SGI's Backup and Restore
Utilities
System Recovery with Backup Tape
Homegrown Bare-Metal Recovery
12. AIX
IBM's mksysb Utility
IBM's Sysback/6000 Utility
System Cloning
V. Database Backup &
Recovery
13. Backing Up Databases
Can It Be Done?
Confusion: The Mysteries of Database
Architecture
The Muck Stops Here: Databases in
Plain English
What's the Big Deal?
Database Structure
An Overview of a Page Change
What Can Happen to an RDBMS?
Backing Up an RDBMS
Restoring an RDBMS
Documentation and Testing
Unique Database Requirements
14. Informix Backup & Recovery
Informix Architecture
Automating Informix Startup: The
dbstart.informix.sh Script
Protect the Physical Log, Logical Log,
and sysmaster
Which Backup Utility Should I
Use?
Physical Backups Without a Storage
Manager: ontape
Physical Backups with a Storage
Manager: onbar
Recovering Informix
Logical Backups
15. Oracle Backup & Recovery
Oracle Architecture
Physical Backups Without a Storage
Manager
Physical Backups with a Storage
Manager
Managing the Archived Redologs
Recovering Oracle
Logical Backups
A Broken Record
16. Sybase Backup & Recovery
Sybase Architecture
Physical Backups Without a Storage
Manager
Physical Backups with a Storage
Manager
Recovering Sybase
Logical Backups
An Ounce of Prevention . . .
VI. Backup &
Recovery Potpourri
17. ClearCase Backup & Recovery
ClearCase Architecture
VOB Backup and Recovery
Procedures
View Backup and Recovery
Procedures
Summary
18. Backup Hardware
Choosing on a Backup Drive
Using Backup Hardware
Tape Drives
Optical Drives
Automated Backup Hardware
Vendors
Hardware Comparison
19. Miscellanea
Volatile Filesystems
Demystifying dump
Gigabit Ethernet
Disk Recovery Companies
Yesterday
Trust Me About the Backups