Oracle 数据备份与恢复

时间:2022-02-08 19:32:13

前言

Oracle 数据备份与恢复

一:备份与恢复概述

Oracle 数据备份与恢复

Oracle 数据备份与恢复

Oracle 数据备份与恢复

二:RMAN 工具概述

Oracle 数据备份与恢复

1: RMAN 组件

Oracle 数据备份与恢复

  • 1: RMAN命令执行器

Oracle 数据备份与恢复

Oracle 数据备份与恢复

Oracle 数据备份与恢复

Oracle 数据备份与恢复

  1 [oracle@localhost ~]$ rman target system/nocatalog
2
3 Recovery Manager: Release 11.2.0.3.0 - Production on Tue Mar 27 23:58:10 2018
4
5 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
6
7 connected to target database: ORCL (DBID=1457025880)
8
9 RMAN> show all
10 2> ;
11
12 using target database control file instead of recovery catalog
13 RMAN configuration parameters for database with db_unique_name ORCL are:
14 CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
15 CONFIGURE BACKUP OPTIMIZATION OFF; # default
16 CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
17 CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
18 CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
19 CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
20 CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
21 CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
22 CONFIGURE MAXSETSIZE TO UNLIMITED; # default
23 CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
24 CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
25 CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
26 CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
27 CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_orcl.f'; # default
28
29 RMAN>
  • 2:目标数据库

Oracle 数据备份与恢复

  • 3:RMAN恢复目录

Oracle 数据备份与恢复

  • 4:介质管理子系统

Oracle 数据备份与恢复

  • 5:备份数据库

Oracle 数据备份与恢复

  • 6:恢复目录数据库

Oracle 数据备份与恢复

2:RMAN 通道

Oracle 数据备份与恢复

Oracle 数据备份与恢复

Oracle 数据备份与恢复

  • 1 :手动分配通道

Oracle 数据备份与恢复Oracle 数据备份与恢复

示例:手动分配一个名称为 ch_1的通道,其文件路径为:/home/oracle/oracle_system_files_back/%u_%c.bak;

  1 run{
2 allocate channel ch_1 device type disk
3 format = 'd:\oraclebf\%u_%c.bak';
4 backup tablespace system,users,tbsp_1,ts_1 channel ch_1;
5 }

Oracle 数据备份与恢复

Oracle 数据备份与恢复

  • 2:自动分配通道

Oracle 数据备份与恢复

Oracle 数据备份与恢复

——————————————————————————————————————————————————————————————————————————————————