文件名称：Unix Backup And Recovery 1999
文件大小：2.7MB
文件格式：PDF
更新时间：2013-10-16 13:16:26
Unix Backup And Recovery 1999
TABLE OF CONTENTS Preface xiii I. Introduction 1 1. Preparing for the Worst 3 My Dad Was Right 3 Developing a Disaster Recovery Plan 4 Step 1: Define (Un)acceptable Loss 5 Step 2: Back Up Everything 7 Step 3: Organize Everything 10 Step 4: Protect Against Disasters 13 Step 5: Document What You Have Done 15 Step 6: Test, Test, Test 16 Put It All Together 17 2. Backing It All Up 18 Don't Skip This Chapter! 18 Why Should You Read This Book? 19 How Serious Is Your Company About Backups? 22 You Can Find a Balance 25 Deciding What to Back Up 30 Deciding When to Back Up 38 Deciding How to Back Up 43 Storing Your Backups 52 Testing Your Backups 56 Monitoring Your Backups 58 Page viii Following Proper Development Procedures 59 Unrelated Miscellanea 60 Good Luck 65 II. Freely Available Filesystem Backup & Recovery Utilities 67 3. Native Backup & Recovery Utilities 69 An Overview 69 Backing Up with the dump Utility 73 Restoring with the restore Utility 91 Limitations of dump and restore 101 Features to Check For 102 Backing Up and Restoring with the cpio Utility 103 Backing Up and Restoring with the tar Utility 114 Backing Up and Restoring with the dd Utility 122 Comparing tar, cpio, and dump 127 How Do I Read This Volume? 129 4. Free Backup Utilities 141 The hostdump.sh Utility 141 The infback.sh, oraback.sh, and syback.sh Utilities 142 A Really Fast tar Utility: star 142 Recording Configuration Data: The SysAudit Utility 143 Displaying Host Information: The SysInfo Utility 144 Performing Remote Detections: The queso Utility 144 Mapping Your Network: The nmap Utility 145 AMANDA 146 III. Commercial Filesystem Backup & Recovery Utilities 185 5. Commercial Backup Utilities 187 What to Look For 188 Full Support of Your Platforms 189 Backup of Raw Partitions 191 Backup of Very Large Filesystems and Files 192 Simultaneous Backup of Many Clients to One Drive 192 Simultaneous Backup of One Client to Many Drives 196 Page ix Data Requiring Special Treatment 202 Storage Management Features 205 Reduction in Network Traffic 208 Support of a Standard or Custom Backup Format 216 Ease of Administration 219 Security 222 Ease of Recovery 223 Protection of the Backup Index 225 Robustness 227 Automation 227 Volume Verification 228 Cost 229 Vendor 230 Conclusions 231 6. High Availability 232 What Is High Availability? 232 HA Building Blocks 238 Commercial HA Solutions 243 The Impact of an HA Solution 245 IV. Bare-Metal Backup & Recovery Methods 247 7. SunOS/Solaris 249 What About Fire? 250 Homegrown Bare-Metal Recovery 251 Recovering a SunOS/Solaris System 256 8. Linux 270 How It Works 270 A Sample Bare-Metal Recovery 275 9. Compaq True-64 Unix 282 Compaq's btcreate Utility 283 Homegrown Bare-Metal Recovery 284 10. HP-UX 290 HP's make_recovery Utility 291 The copyutil Utility 295 Using dump and restore 299 Page x 11. IRIX 306 SGI's Backup and Restore Utilities 307 System Recovery with Backup Tape 310 Homegrown Bare-Metal Recovery 315 12. AIX 323 IBM's mksysb Utility 324 IBM's Sysback/6000 Utility 330 System Cloning 337 V. Database Backup & Recovery 339 13. Backing Up Databases 341 Can It Be Done? 342 Confusion: The Mysteries of Database Architecture 343 The Muck Stops Here: Databases in Plain English 344 What's the Big Deal? 345 Database Structure 346 An Overview of a Page Change 360 What Can Happen to an RDBMS? 361 Backing Up an RDBMS 363 Restoring an RDBMS 370 Documentation and Testing 374 Unique Database Requirements 375 14. Informix Backup & Recovery 376 Informix Architecture 377 Automating Informix Startup: The dbstart.informix.sh Script 387 Protect the Physical Log, Logical Log, and sysmaster 392 Which Backup Utility Should I Use? 400 Physical Backups Without a Storage Manager: ontape 403 Physical Backups with a Storage Manager: onbar 424 Recovering Informix 428 Logical Backups 451 15. Oracle Backup & Recovery 455 Oracle Architecture 455 Physical Backups Without a Storage Manager 463 Physical Backups with a Storage Manager 476 Managing the Archived Redologs 480 Page xi Recovering Oracle 483 Logical Backups 526 A Broken Record 529 16. Sybase Backup & Recovery 531 Sybase Architecture 531 Physical Backups Without a Storage Manager 542 Physical Backups with a Storage Manager 554 Recovering Sybase 554 Logical Backups 583 An Ounce of Prevention 586 VI. Backup & Recovery Potpourri 589 17. ClearCase Backup & Recovery 591 ClearCase Architecture 592 VOB Backup and Recovery Procedures 598 View Backup and Recovery Procedures 608 Summary 615 18. Backup Hardware 616 Choosing on a Backup Drive 616 Using Backup Hardware 621 Tape Drives 625 Optical Drives 635 Automated Backup Hardware 641 Vendors 643 Hardware Comparison 19. Miscellanea 645 649 Volatile Filesystems 649 Demystifying dump 654 Gigabit Ethernet 663 Disk Recovery Companies 664 Yesterday 664 Trust Me About the Backups