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Oracle 10g的catalog配置

Jun 07, 2016 pm 05:19 PM

现在oracle 11g已经逐渐走向成熟,但是oracle 10g依然是王道,最近在网上看到很多人对rman的catalog不是很了解,所以写下来希望对

现在Oracle 11g已经逐渐走向成熟,但是oracle 10g依然是王道,最近在网上看到很多人对rman的catalog不是很了解,所以写下来希望对他们有些帮助

oracle关于rman备份的数据包括:

catalog数据库即目录数据库

target数据库即目标数据库

catalog数据库用来存放备份target数据库的信息的,她可以跟target数据库在一台服务器上面,也可以是单独的一台服务器,下面配置下catalog 数据库以便更好的理解

首先数据库需要开启归档日志,关于归档日志如果没有特殊的要求,只需要开启即可;

启动数据库mount阶段

SQL> startup mount
ORACLE instance started.

Total System Global Area  167772160 bytes
Fixed Size      1218316 bytes
Variable Size     62916852 bytes
Database Buffers   100663296 bytes
Redo Buffers      2973696 bytes
Database mounted.

修改归档日志

SQL> alter database archivelog;

Database altered.

默认的归档日志的路径是放在flash_recovery_area下面

我们可以修改这个参数自定义位置db_recovery_file_dest

修改方式如下

alter system set db_recovery_file_dest='/home/oracle/arch' scope=both;

默认的归档空间大小是2G,,我们可以修改这个参数db_recovery_file_dest_size

默认control保留时间是7天,我们可以修改这个参数control_file_record

上述是修改归档方面的,

下面我们开始配置catalog用户

建议使用单独的表空间和专一的用户

create tablespace rman datafile '/opt/oracle/product/10.2.0/oradata/orcl/rman01.dbf' size 500M;

create temporary tablespace tmp tempfile '/opt/oracle/product/10.2.0/oradata/orcl/tmp01.dbf' size 10m;

 create user rmans identified by rman default tablespace rman temporary tablespace tmp;

表空间的名字不可以使用关键词,经常使用的是rman,如果是rman在创建catalog表空间的时候提示

RMAN-01009: syntax error: found "rman": expecting one of: "double-quoted-string, identifier, single-quoted-string"

赋权限

SQL> grant connect,resource,recovery_catalog_owner to rman;

 

使用rman用户登录

由于我的catalog和target都是在一个服务器上面我执行以下语句

[oracle@rhelrcp ~]$ rman target / catalog rman/rman

创建catalog表空间

RMAN> create catalog tablespace rmans

recovery catalog created

 

注册数据库

RMAN> register database;

database registered in recovery catalog
starting full resync of recovery catalog
full resync complete


查询注册信息

切换到rman用户下面查询rc_database

> select * from rc_database;

    DB_KEY  DBINC_KEY     DBID NAME   RESETLOGS_CHANGE# RESETLOGS
---------- ---------- ---------- -------- ----------------- ---------
  1     2 1318222470 ORCL       446075 04-AUG-12

注册中的数据库

显示恢复目录中记录target数据库表空间的信息

SQL> select * from rc_tablespace;

    DB_KEY  DBINC_KEY DB_NAME       TS# NAME     CREATION_CHANGE# CREATION_ DROP_CHANGE# DROP_TIME INC BIG TEM ENC
---------- ---------- -------- ---------- ------------------------------ ---------------- --------- ------------ --------- --- --- --- ---
  1     2 ORCL  0 SYSTEM     9 30-JUN-05      YES NO  NO
  1     2 ORCL  1 UNDOTBS1       444079 30-JUN-05      YES NO  NO
  1     2 ORCL  2 SYSAUX         6609 30-JUN-05      YES NO  NO
  1     2 ORCL  3 TEMP        446208 04-AUG-12      NO  NO  YES
  1     2 ORCL  4 USERS         10566 30-JUN-05      YES NO  NO
  1     2 ORCL  6 RMANS        652267 24-AUG-12      YES NO  NO
  1     2 ORCL  7 TMP        652320 24-AUG-12      NO  NO  YES

查询恢复目录中记载的目标数据库的数据文件信息

select file#,name,bytes from rc_datafile;

上述及时rman使用catalog的配置

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