E-Book Overview
It’s sometimes said that the true job of an Oracle database administrator can be summed up in one, essential skill: to be able to recover your database. There’s much wisdom in that statement. Of all the things you are responsible for as a database administrator, nothing is more important than the data itself. Like it or not, the fearsome responsibility of protecting your organization's most critical data falls squarely upon your shoulders: Lose that data and your company could fail. Lose that data and you could be out of a job. Scared? You should be. But there's help. You are not alone. Oracle experts Darl Kuhn, Sam Alapati, and Arup Nanda have come together in this book to show you the power of Recovery Manager, or RMAN, which is Oracle's backup and recovery tool of choice. RMAN Recipes for Oracle Database 11g helps you take advantage of all that RMAN has to offer by providing easy-to-understand solutions to business-critical backup and recovery operations. This handy guide: Demystifies the steps required to protect your business data Provides ready-made and step-by-step solutions to simple and complex backup, restore, and recovery operations Is task-oriented, making it easy for you to find the solution to pressing backup and recovery problems Respects your time by providing example-based solutions, not endless reading material When the pressure’s on, you don't have time for long discussions of theory. This book gets right to the point with quick and easy-to-read, step-by-step solutions that can help you backup and recover your data with confidence. What you’ll learnOracle Database experts Darl Kuhn, Sam Alapati, and Arup Nanda show you how to Reliably back up and recover your database using Oracle's Recovery Manager Utilize new Oracle Database 11g features such as the Data Recovery Advisor Let Oracle Database manage your backup files via the Flash Recovery Area Automate backup and recovery tasks by writing scripts Troubleshoot RMAN problems and optimize RMAN performance Interface with a Media Management Layer to manage your backup tape library Recover from the loss of a control file, loss of an online redo log, and other (hopefully!) unusual situations Who this book is for Oracle database administrators responsible for database backup and recovery operations.
E-Book Content
CYAN MAGENTA
YELLOW BLACK PANTONE 123 C
Books for professionals by professionals ®
Dear Reader, Darl Kuhn, coauthor of Oracle RMAN Pocket Reference
Sam Alapati, author of Expert Oracle Database 10g Administration
RMAN is the tool of choice for Oracle database backup and recovery. RMAN contains core features that aren’t available with other backup and recovery solutions. Furthermore, Oracle continues to integrate RMAN with other products such as Enterprise Manager, RAC, ASM, and Data Guard. If you are a DBA in an Oracle shop, then it’s vital that you know how to use RMAN effectively. Your job depends on it. This recipe book provides you with focused solutions for the gamut of RMAN backup and recovery tasks. We know from hard experience that sometimes all you need is an easy-to-find, clear example showing how a feature works. This is especially true when you have a critical issue that is causing database downtime. In those situations, people expect you to earn your keep and quickly solve the problem. Failure is not an option. This book is unique in that it contains answers for almost any RMAN backup and recovery problem that you’re likely to encounter. We tackle all scenarios, from simple to complex. Each recipe title is an indexed entry to a particular problem. In the recipe you’ll find the solution and a detailed explanation of how it works. You won’t be shown merely how to parrot RMAN commands. We explain why features work like they do. If your company uses Oracle technology, then RMAN should be a