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Oracle® Database Backup and Recovery Advanced User's Guide
10g Release 1 (10.1)

Part Number B10734-01
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Preface

This preface contains these topics:

Audience

Backup and Recovery Advanced User's Guide is intended for database administrators who perform the following tasks:

To use this document, you need to know the following:

Organization

This document contains:

Part I, "Recovery Manager Advanced Architecture and Concepts"

This section offers detailed conceptual information for Recovery Manager (RMAN).

Chapter 1, "Recovery Manager Architecture"

This chapter describes the application architecture of the RMAN environment.

Chapter 2, "RMAN Backups Concepts"

This chapter describes how to start RMAN and connect to target, catalog, and auxiliary databases.

Chapter 3, "RMAN Recovery Concepts"

This chapter describes basic concepts involved in RMAN restore, recovery, and database duplication.

Chapter 4, "RMAN Maintenance Concepts"

This chapter describes basic concepts involved in maintaining the RMAN repository.

Part II, "Performing Advanced RMAN Backup and Recovery"

This section describes advanced procedures for using RMAN.

Chapter 5, "Connecting to Databases with RMAN"

This chapter gives detailed information for how to connect to databases with RMAN.

Chapter 6, "Configuring the RMAN Environment: Advanced Topics"

This chapter describes advanced configurations in the RMAN environment.

Chapter 7, "Making Backups with RMAN: Advanced Topics"

This chapter describes detailed procedure for using the BACKUP command.

Chapter 8, "Advanced RMAN Recovery Techniques"

This chapter includes advanced scenarios and techniques using the RESTORE and RECOVER commands.

Chapter 9, "Flashback Technology: Recovering from Logical Corruptions"

This chapter describes the Flashback features of the Oracle database, and their use in a data recovery context.

Chapter 10, "RMAN Tablespace Point-in-Time Recovery (TSPITR)"

This chapter describes how to recover one or more tablespaces to a past point in time without affecting the rest of the database.

Chapter 11, "Duplicating a Database with Recovery Manager"

This chapter describes how to use DUPLICATE to create a copy of the target database.

Chapter 12, "Migrating Databases To and From ASM with Recovery Manager"

This chapter describes how to use RMAN to move databases into and out of Automatic Storage Management disk groups.

Chapter 13, "Managing the Recovery Catalog"

This chapter describes how to create and manage a recovery catalog.

Chapter 14, "Tuning Backup and Recovery"

This chapter gives tips for improving RMAN backup and restore performance.

Chapter 15, "Recovery Manager Troubleshooting"

This chapter gives tips for diagnosing and responding to RMAN problems.

Part III, "Performing User-Managed Backup and Recovery"

This section describes how to use operating system utilities to back up and restore a database and how to use the SQL*Plus RECOVER command.

Chapter 16, "Making User-Managed Backups"

This chapter describes how to use operating system command to back up database files and archived redo logs.

Chapter 17, "Performing User-Managed Database Flashback and Recovery"

This chapter describes how to use the SQL*Plus FLASHBACK DATABASE and RECOVER commands.

Chapter 18, "Advanced User-Managed Recovery Scenarios"

This chapter describes advanced scenarios involving user-managed restore and recovery.

Chapter 19, "Performing User-Managed TSPITR"

This chapter describes how to perform user-managed TSPITR.

Chapter 20, "Troubleshooting User-Managed Media Recovery"

This chapter describes how to diagnose and solve problems in user-managed media recovery.

Related Documentation

For more information, see these Oracle resources:

You can access information about the Backup Solutions Program at

http://otn.oracle.com/deploy/availability


Many books in the documentation set use the sample schemas of the seed database, which is installed by default when you install Oracle. Refer to Oracle Database Sample Schemas for information on how these schemas were created and how you can use them yourself.

Oracle error message documentation is only available in HTML. If you only have access to the Oracle Documentation CD, you can browse the error messages by range. Once you find the specific range, use your browser's "find in page" feature to locate the specific message. When connected to the Internet, you can search for a specific error message using the error message search feature of the Oracle online documentation.

Printed documentation is available for sale in the Oracle Store at

http://oraclestore.oracle.com/

To download free release notes, installation documentation, white papers, or other collateral, please visit the Oracle Technology Network (OTN). You must register online before using OTN; registration is free and can be done at

http://otn.oracle.com/membership/

If you already have a username and password for OTN, then you can go directly to the documentation section of the OTN Web site at

http://otn.oracle.com/documentation/

Conventions

This section describes the conventions used in the text and code examples of this documentation set. It describes:

Conventions in Text

We use various conventions in text to help you more quickly identify special terms. The following table describes those conventions and provides examples of their use.

Convention Meaning Example

Bold

Bold typeface indicates terms that are defined in the text or terms that appear in a glossary, or both.

When you specify this clause, you create an index-organized table.

Italics

Italic typeface indicates book titles or emphasis.

Oracle Database Concepts

Ensure that the recovery catalog and target database do not reside on the same disk.

UPPERCASE monospace (fixed-width) font

Uppercase monospace typeface indicates elements supplied by the system. Such elements include parameters, privileges, datatypes, RMAN keywords, SQL keywords, SQL*Plus or utility commands, packages and methods, as well as system-supplied column names, database objects and structures, usernames, and roles.

You can specify this clause only for a NUMBER column.

You can back up the database by using the BACKUP command.

Query the TABLE_NAME column in the USER_TABLES data dictionary view.

Use the DBMS_STATS.GENERATE_STATS procedure.

lowercase monospace (fixed-width) font

Lowercase monospace typeface indicates executables, filenames, directory names, and sample user-supplied elements. Such elements include computer and database names, net service names, and connect identifiers, as well as user-supplied database objects and structures, column names, packages and classes, usernames and roles, program units, and parameter values.

Note: Some programmatic elements use a mixture of UPPERCASE and lowercase. Enter these elements as shown.

Enter sqlplus to open SQL*Plus.

The password is specified in the orapwd file.

Back up the datafiles and control files in the /disk1/oracle/dbs directory.

The department_id, department_name, and location_id columns are in the hr.departments table.

Set the QUERY_REWRITE_ENABLED initialization parameter to true.

Connect as oe user.

The JRepUtil class implements these methods.

lowercase italic monospace (fixed-width) font

Lowercase italic monospace font represents placeholders or variables.

You can specify the parallel_clause.

Run Uold_release.SQL where old_release refers to the release you installed prior to upgrading.

Conventions in Code Examples

Code examples illustrate SQL, PL/SQL, SQL*Plus, or other command-line statements. They are displayed in a monospace (fixed-width) font and separated from normal text as shown in this example:

SELECT username FROM dba_users WHERE username = 'MIGRATE';

The following table describes typographic conventions used in code examples and provides examples of their use.

Convention Meaning Example
[ ]

Brackets enclose one or more optional items. Do not enter the brackets.

DECIMAL (digits [ , precision ])
{ }

Braces enclose two or more items, one of which is required. Do not enter the braces.

{ENABLE | DISABLE}
|

A vertical bar represents a choice of two or more options within brackets or braces. Enter one of the options. Do not enter the vertical bar.

{ENABLE | DISABLE}
[COMPRESS | NOCOMPRESS]
...

Horizontal ellipsis points indicate either:

  • That we have omitted parts of the code that are not directly related to the example
  • That you can repeat a portion of the code

CREATE TABLE ... AS subquery;

SELECT col1, col2, ... , coln FROM employees;
 .
 .
 .

Vertical ellipsis points indicate that we have omitted several lines of code not directly related to the example.

SQL> SELECT NAME FROM V$DATAFILE;
NAME
------------------------------------
/fsl/dbs/tbs_01.dbf
/fs1/dbs/tbs_02.dbf
.
.
.
/fsl/dbs/tbs_09.dbf
9 rows selected.

Other notation

You must enter symbols other than brackets, braces, vertical bars, and ellipsis points as shown.

acctbal NUMBER(11,2);
acct    CONSTANT NUMBER(4) := 3;
Italics

Italicized text indicates placeholders or variables for which you must supply particular values.

CONNECT SYSTEM/system_password
DB_NAME = database_name

UPPERCASE

Uppercase typeface indicates elements supplied by the system. We show these terms in uppercase in order to distinguish them from terms you define. Unless terms appear in brackets, enter them in the order and with the spelling shown. However, because these terms are not case sensitive, you can enter them in lowercase.

SELECT last_name, employee_id FROM employees;
SELECT * FROM USER_TABLES;
DROP TABLE hr.employees;
lowercase

Lowercase typeface indicates programmatic elements that you supply. For example, lowercase indicates names of tables, columns, or files.

Note: Some programmatic elements use a mixture of UPPERCASE and lowercase. Enter these elements as shown.

SELECT last_name, employee_id FROM employees;
sqlplus hr/hr
CREATE USER mjones IDENTIFIED BY ty3MU9;

Documentation Accessibility

Our goal is to make Oracle products, services, and supporting documentation accessible, with good usability, to the disabled community. To that end, our documentation includes features that make information available to users of assistive technology. This documentation is available in HTML format, and contains markup to facilitate access by the disabled community. Standards will continue to evolve over time, and Oracle Corporation is actively engaged with other market-leading technology vendors to address technical obstacles so that our documentation can be accessible to all of our customers. For additional information, visit the Oracle Accessibility Program Web site at

http://www.oracle.com/accessibility/

Accessibility of Code Examples in Documentation

JAWS, a Windows screen reader, may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, JAWS may not always read a line of text that consists solely of a bracket or brace.

Accessibility of Links to External Web Sites in Documentation

This documentation may contain links to Web sites of other companies or organizations that Oracle Corporation does not own or control. Oracle Corporation neither evaluates nor makes any representations regarding the accessibility of these Web sites.