【DG】主rac + 备rac dg 部署

一.1  BLOG文档结构图

一.2  前言部分

一.2.1  导读和注意事项

各位技术爱好者,看完本文后,你可以掌握如下的技能,也可以学到一些其它你所不知道的知识,~O(∩_∩)O~:

① 主库为rac,备库为rac的物理dg的搭建(重点)

② dbca 静默方式创建rac数据库

③ 如何将数据库加入crsctl管理

④ rac库修改归档路径和归档模式

⑤ 如何添加standby日志

⑥ 简单物理dg的维护

  Tips:

① 若文章代码格式有错乱,推荐使用搜狗、360或QQ浏览器,也可以下载pdf格式的文档来查看,pdf文档下载地址:http://yunpan.cn/cdEQedhCs2kFz (提取码:ed9b)

② 本篇BLOG中命令的输出部分需要特别关注的地方我都用灰色背景和粉红色字体来表示,比如下边的例子中,thread 1的最大归档日志号为33,thread 2的最大归档日志号为43是需要特别关注的地方;而命令一般使用黄色背景和红色字体标注;对代码或代码输出部分的注释一般采用蓝色字体表示。

List of Archived Logs in backup set 11

Thrd Seq     Low SCN    Low Time            Next SCN   Next Time

---- ------- ---------- ------------------- ---------- ---------

1    32      1621589    2015-05-29 11:09:52 1625242    2015-05-29 11:15:48

1    33      1625242    2015-05-29 11:15:48 1625293    2015-05-29 11:15:58

2    42      1613951    2015-05-29 10:41:18 1625245    2015-05-29 11:15:49

2    43      1625245    2015-05-29 11:15:49 1625253    2015-05-29 11:15:53

[ZFXXDB1:root]:/>lsvg -o

T_XDESK_APP1_vg

rootvg

[ZFXXDB1:root]:/>

00:27:22 SQL> alter tablespace idxtbs read write;

====》2097152*512/1024/1024/1024=1G

本文如有错误或不完善的地方请大家多多指正,ITPUB留言或QQ皆可,您的批评指正是我写作的最大动力。

一.2.2  相关参考文章链接

【DATAGUARD】 基于同一个主机建立物理备库和逻辑备库(一): http://blog.itpub.net/26736162/viewspace-1448197/
【DATAGUARD】 基于同一个主机建立物理备库和逻辑备库(二 ):  http://blog.itpub.net/26736162/viewspace-1448207/
【DATAGUARD】 基于同一个主机建立物理备库和逻辑备库(三 ):  http://blog.itpub.net/26736162/viewspace-1481972/
【DATAGUARD】 基于同一个主机建立物理备库和逻辑备库 (四)--添加一个物理dg节点 :http://blog.itpub.net/26736162/viewspace-1484878/

【DATAGUARD】 将11g物理备库转换为Snapshot Standby :http://blog.itpub.net/26736162/viewspace-1525548/

【DG】 主rac + 备rac dg 部署 :http://blog.itpub.net/26736162/viewspace-1991449/

一.2.3  本文简介

虽然之前已经多次安装过dg了,但都是基于单实例的,无论是物理还是逻辑的,感觉都非常轻松,没有碰到大的问题,但是最近同事安装dg老是碰到问题,尤其是在执行duplicate命令的时候报错,所以我想还是自己也搭建的试试吧,顺便也写写文档。

一.3  相关知识点扫盲(摘自网络)

Physical Standby使用的是Media Recovery 技术,在数据块级别进行恢复,这种方式没有数据类型的限制,可以保证两个数据库完全一致。 Physical Standby数据库只能在Mount 状态下进行恢复,也可以是打开,但只能已只读方式打开,并且打开时不能执行恢复操作。Logical Standby使用的是Logminer 技术,通过把日志内容还原成SQL 语句,然后SQL引擎执行这些语句,Logminer Standby不支持所有数据类型,可以在视图DBA_LOGSTDBY_UNSUPPORTED 中查看不支持的数据类型,如果使用了这种数据类型,则不能保证数据库完全一致。LogicalStandby数据库可以在恢复的同时进行读写操作。

不少未实际接触过dg的初学者可能会下意识以为data guard是一个备份恢复的工具。我要说的是,这种形容不完全错,dg拥有备份的功能,某些情况下它甚至可以与primary数据库完全一模一样,但是它存在的目的并不仅仅是为了恢复数据,应该说它的存在是为了 确保企业数据的高可用性,数据保护以及灾难恢复 ( 注意这个字眼,灾难恢复) 。dg提供全面的服务包括:创建,维护,管理以及监控standby数据库,确保数据安全,管理员可以通过将一些操作转移到standby数据库执行的方式改善数据库性能 ,构建高可用的企业数据库应用环境。

在Data Gurad 环境中,至少有两个数据库,一个处于Open 状态对外提供服务,这个数据库叫作Primary Database。 第二个处于恢复状态,叫作Standby Database。 运行时primary Database 对外提供服务,用户在Primary Database 上进行操作,操作被记录在联机日志和归档日志中,这些日志通过网络传递给Standby Database。 这个日志会在Standby Database 上重演,从而实现Primary Database 和Standby Database 的数据同步。
Oracle Data Gurad 对这一过程进一步的优化设计,使得日志的传递,恢复工作更加自动化,智能化,并且提供一系列参数和命令简化了DBA工作。
如果是可预见因素需要关闭Primary Database,比如软硬件升级,可以把Standby Database 切换为Primary Database 继续对外服务,这样即减少了服务停止时间,并且数据不会丢失。如果异常原因导致Primary Database 不可用,也可以把Standby Database 强制切换为Primary Database继续对外服务,这时数据损失都和配置的数据保护级别有关系。因此Primary 和Standby 只是一个角色概念,并不固定在某个数据库中。

问题:RAC 和DG 有什么区别

RAC, Data Gurad, 高可用性体系中的二种工具,每个工具即可以独立应用,也可以相互配合。 他们各自的侧重点不同,适用场景也不同。

RAC 它的强项在于解决单点故障和负载均衡,因此RAC 方案常用于7*24 的核心系统,但RAC 方案中的数据只有一份,尽管可以通过RAID 等机制可以避免存储故障,但是数据本身是没有冗余的,容易形成单点故障。

Data Gurad 通过冗余数据来提供数据保护,Data Gurad 通过日志同步机制保证冗余数据和主数据之前的同步,这种同步可以是实时,延时,同步,异步多种形式。Data Gurad 常用于异地容灾和小企业的高可用性方案,虽然可以在Standby 机器上执行只读查询,从而分散Primary 数据库的性能压力,但是Data Gurad 决不是性能解决方案。

---------------------------------------------------------------------------------------------------------------------

第二章 实验部分(正式开始搭建)

创建物理备库的方法很多,对于Oracle 11g而言,可以直接从active database来创建,也可以基于10g 的RMAN备份方式来创建。

二.1  实验环境介绍

项目

primary db

physical standby db

db 类型

rac

rac

db version

11.2.0.4.0

11.2.0.4.0

db 存储

ASM

ASM

主机IP地址/hosts配置

22.123.124.31   ZFXXX3
22.123.124.33   ZFXXX3-vip
222.123.124.31  ZFXXX3-priv
22.123.124.32   ZFXXX4
22.123.124.34   ZFXXX4-vip
222.123.124.32  ZFXXX4-priv
22.123.124.35   ZFXXX-scan

22.123.124.64   ZFXXX1
22.123.124.65   ZFXXX1-vip
222.123.124.64  ZFXXX1-priv
22.123.124.66   ZFXXX2
22.123.124.67   ZFXXX2-vip
222.123.124.66  ZFXXX2-priv
22.123.124.68   ZFXXX-scan

OS版本及kernel版本

AIX 64位 7.1.0.0

AIX 64位 7.1.0.0

OS hostname

ZFXXX3
ZFXXX4

ZFXXX1
ZFXXX2

platform_name

AIX-Based Systems (64-bit)

AIX-Based Systems (64-bit)

db time zone

14

14

字符集

ZHS16GBK

ZHS16GBK

compatible

11.2.0.4.0

11.2.0.4.0

归档模式

Archive Mode

Archive Mode

ORACLE_SID

DGPRI

DGPHY

db_name/GLOBAL_DBNAME

TESTDG

TESTDG

db_unique_name

TESTDG

TESTDGPHY

TNS_NAME

TNS_DGPRI

TNS_DGPHY

磁盘组

+DATA

+DATA

归档路径

GPFS方式共享路径: /arch

GPFS方式共享路径: /arch

ORACLE_HOME

/oracle/app/oracle/product/11.2.0/db

/oracle/app/oracle/product/11.2.0/db

dbid

2836886746

2836886746

注:标红的选项是必填,且需要特别关注的项目

该环境中我主要是为了区分dg中各种参数配置的是tnsnames、oracle_sid、dbname还是db_unique_name,所以设置的值不同,一般情况这4者可以设置成一样的,dg中db_unique_name、oracle_sid和tns可以设置成一样的。

二.2  主库操作

二.2.1  先创建主库

dbca -silent -createDatabase -templateName General_Purpose.dbc -gdbname TESTDG  -sid DGPRI -sysPassword lhr -systemPassword lhr -datafileDestination 'DATA/' -redoLogFileSize 50 -recoveryAreaDestination '/arch' -storageType ASM -asmsnmpPassword lhr  -diskGroupName 'DATA' -responseFile NO_VALUE -characterset ZHS16GBK -nationalCharacterSet AL16UTF16 -sampleSchema true -automaticMemoryManagement true -totalMemory 1024  -nodeinfo ZFXXX3,ZFXXX4

注意:sid不能含有下横线,如DG_PRI会报错:

The SID name can only contain alphanumeric characters.

静默方式创建一个rac主库:

[ZFXXX3:root]:/>crsctl stat res -t

--------------------------------------------------------------------------------

NAME           TARGET  STATE        SERVER                   STATE_DETAILS

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.DATA.dg

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.LISTENER.lsnr

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.asm

ONLINE  ONLINE       zfXXX3               Started

ONLINE  ONLINE       zfXXX4               Started

ora.gsd

OFFLINE OFFLINE      zfXXX3

OFFLINE OFFLINE      zfXXX4

ora.net1.network

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.ons

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.registry.acfs

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

--------------------------------------------------------------------------------

Cluster Resources

--------------------------------------------------------------------------------

ora.LISTENER_SCAN1.lsnr

1        ONLINE  ONLINE       zfXXX4

ora.cvu

1        ONLINE  ONLINE       zfXXX4

ora.oc4j

1        ONLINE  ONLINE       zfXXX4

ora.oradesdb.db

1        ONLINE  ONLINE       zfXXX3               Open,Readonly

2        ONLINE  ONLINE       zfXXX4               Open,Readonly

ora.scan1.vip

1        ONLINE  ONLINE       zfXXX4

ora.testdg.db

1        OFFLINE OFFLINE

2        OFFLINE OFFLINE

ora.zfXXX3.vip

1        ONLINE  ONLINE       zfXXX3

ora.zfXXX4.vip

1        ONLINE  ONLINE       zfXXX4

[ZFXXX3:root]:/>cat /etc/hosts

# IBM_PROLOG_BEGIN_TAG

# This is an automatically generated prolog.

#

# bos61D src/bos/usr/sbin/netstart/hosts 1.2

#

# Licensed Materials - Property of IBM

#

# COPYRIGHT International Business Machines Corp. 1985,1989

# All Rights Reserved

#

# US Government Users Restricted Rights - Use, duplication or

# disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

#

# @(#)47        1.2  src/bos/usr/sbin/netstart/hosts, cmdnet, bos61D, d2007_49A2 10/1/07 13:57:52

# IBM_PROLOG_END_TAG

#

# COMPONENT_NAME: TCPIP hosts

#

# FUNCTIONS: loopback

#

# ORIGINS: 26  27

#

# (C) COPYRIGHT International Business Machines Corp. 1985, 1989

# All Rights Reserved

# Licensed Materials - Property of IBM

#

# US Government Users Restricted Rights - Use, duplication or

# disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

#

#  /etc/hosts

#

# This file contains the hostnames and their address for hosts in the

# network.  This file is used to resolve a hostname into an Internet

# address.

#

# At minimum, this file must contain the name and address for each

# device defined for TCP in your /etc/net file.  It may also contain

# entries for well-known (reserved) names such as timeserver

# and printserver as well as any other host name and address.

#

# The format of this file is:

# Internet Address      Hostname        # Comments

# Internet Address can be either IPv4 or IPv6 address.

# Items are separated by any number of blanks and/or tabs.  A '#'

# indicates the beginning of a comment; characters up to the end of the

# line are not interpreted by routines which search this file.  Blank

# lines are allowed.

# Internet Address      Hostname        # Comments

# 192.9.200.1           net0sample      # ethernet name/address

# 128.100.0.1           token0sample    # token ring name/address

# 10.2.0.2              x25sample       # x.25 name/address

# 2000:1:1:1:209:6bff:feee:2b7f         ipv6sample      # ipv6 name/address

127.0.0.1               loopback localhost      # loopback (lo0) name/address

::1                     loopback localhost      # IPv6 loopback (lo0) name/address

22.123.124.31   ZFXXX3

22.123.124.33   ZFXXX3-vip

222.123.124.31  ZFXXX3-priv

22.123.124.32   ZFXXX4

22.123.124.34   ZFXXX4-vip

222.123.124.32  ZFXXX4-priv

22.123.124.35   ZFXXX-scan

[ZFXXX3:root]:/>

[ZFXXX3:root]:/>oslevel

7.1.0.0

[ZFXXX3:root]:/>su - oracle

[ZFXXX3:oracle]:/oracle>dbca -silent -createDatabase -templateName General_Purpose.dbc -gdbname TESTDG  -sid DGPRI -sysPassword lhr -systemPassword lhr -datafileDestination 'DATA/' -redoLogFileSize 50 -recoveryAreaDestination '/arch' -storageType ASM -asmsnmpPassword lhr  -diskGroupName 'DATA' -responseFile NO_VALUE -characterset ZHS16GBK -nationalCharacterSet AL16UTF16 -sampleSchema true -automaticMemoryManagement true -totalMemory 1024  -nodeinfo ZFXXX3,ZFXXX4

Copying database files

1% complete

3% complete

30% complete

Creating and starting Oracle instance

32% complete

36% complete

40% complete

44% complete

45% complete

48% complete

50% complete

Creating cluster database views

52% complete

70% complete

Completing Database Creation

73% complete

76% complete

85% complete

94% complete

100% complete

Look at the log file "/oracle/app/oracle/cfgtoollogs/dbca/TESTDG/TESTDG.log" for further details.

[ZFXXX3:oracle]:/oracle>more /oracle/app/oracle/cfgtoollogs/dbca/TESTDG/TESTDG.log

Copying database files

DBCA_PROGRESS : 1%

DBCA_PROGRESS : 3%

DBCA_PROGRESS : 30%

Creating and starting Oracle instance

DBCA_PROGRESS : 32%

DBCA_PROGRESS : 36%

DBCA_PROGRESS : 40%

DBCA_PROGRESS : 44%

DBCA_PROGRESS : 45%

DBCA_PROGRESS : 48%

DBCA_PROGRESS : 50%

Creating cluster database views

DBCA_PROGRESS : 52%

DBCA_PROGRESS : 70%

Completing Database Creation

DBCA_PROGRESS : 73%

DBCA_PROGRESS : 76%

DBCA_PROGRESS : 85%

DBCA_PROGRESS : 94%

DBCA_PROGRESS : 100%

Database creation complete. For details check the logfiles at:

/oracle/app/oracle/cfgtoollogs/dbca/TESTDG.

Database Information:

Global Database Name:TESTDG

System Identifier(SID) Prefix:DGPRI

[ZFXXX3:oracle]:/oracle>

[ZFXXX3:oracle]:/oracle>crsctl stat res -t

--------------------------------------------------------------------------------

NAME           TARGET  STATE        SERVER                   STATE_DETAILS

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.DATA.dg

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.LISTENER.lsnr

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.asm

ONLINE  ONLINE       zfXXX3               Started

ONLINE  ONLINE       zfXXX4               Started

ora.gsd

OFFLINE OFFLINE      zfXXX3

OFFLINE OFFLINE      zfXXX4

ora.net1.network

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.ons

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

ora.registry.acfs

ONLINE  ONLINE       zfXXX3

ONLINE  ONLINE       zfXXX4

--------------------------------------------------------------------------------

Cluster Resources

--------------------------------------------------------------------------------

ora.LISTENER_SCAN1.lsnr

1        ONLINE  ONLINE       zfXXX4

ora.cvu

1        ONLINE  ONLINE       zfXXX4

ora.oc4j

1        ONLINE  ONLINE       zfXXX4

ora.oradesdb.db

1        ONLINE  ONLINE       zfXXX3               Open,Readonly

2        ONLINE  ONLINE       zfXXX4               Open,Readonly

ora.scan1.vip

1        ONLINE  ONLINE       zfXXX4

ora.testdg.db

1        ONLINE  ONLINE       zfXXX3               Open

2        ONLINE  ONLINE       zfXXX4               Open

ora.zfXXX3.vip

1        ONLINE  ONLINE       zfXXX3

ora.zfXXX4.vip

1        ONLINE  ONLINE       zfXXX4

[ZFXXX3:root]:/>

二.2.2  主库前期准备

二.2.2.1  force logging + archivelog

1. 创建一个用户lhr用于测试

2. 修改主库为force logging模式

3. 修改主库为归档模式

select INST_ID, dbid,name,DB_UNIQUE_NAME,current_scn,protection_mode,database_role,force_logging,open_mode,switchover_status from gv$database;

[ZFXXX3:oracle]:/oracle>export ORACLE_SID=DGPRI1

[ZFXXX3:oracle]:/oracle>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Wed Feb 17 11:19:24 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

SYS@DGPRI1> create user lhr identified by lhr;

User created.

SYS@DGPRI1> grant dba to lhr;

Grant succeeded.

SYS@DGPRI1> set line 9999

SYS@DGPRI1> select name , open_mode, log_mode,force_logging,DATABASE_ROLE,switchover_status from gv$database;

NAME      OPEN_MODE            LOG_MODE     FOR DATABASE_ROLE    SWITCHOVER_STATUS

--------- -------------------- ------------ --- ---------------- --------------------

TESTDG    READ WRITE           NOARCHIVELOG NO  PRIMARY          NOT ALLOWED

TESTDG    READ WRITE           NOARCHIVELOG NO  PRIMARY          NOT ALLOWED

SYS@DGPRI1> alter database force logging;

Database altered.

SYS@DGPRI1> select name , open_mode, log_mode,force_logging,DATABASE_ROLE,switchover_status from gv$database;

NAME      OPEN_MODE            LOG_MODE     FOR DATABASE_ROLE    SWITCHOVER_STATUS

--------- -------------------- ------------ --- ---------------- --------------------

TESTDG    READ WRITE           NOARCHIVELOG YES PRIMARY          NOT ALLOWED

TESTDG    READ WRITE           NOARCHIVELOG YES PRIMARY          NOT ALLOWED

SYS@DGPRI1>

alter system set log_archive_dest_1='LOCATION=/arch' scope=spfile sid='DGPRI1';

alter system set log_archive_dest_1='LOCATION=/arch' scope=spfile sid='DGPRI2';

alter system set log_archive_dest_1='LOCATION=/arch' scope=spfile sid='*';

host srvctl stop database -d TESTDG -o immediate

host srvctl status database -d TESTDG

host srvctl start database -d TESTDG -o mount

alter database archivelog;

修改rac主库为归档模式:

SYS@DGPRI1> alter system set log_archive_dest_1='LOCATION=/arch' scope=spfile sid='DGPRI1';

System altered.

SYS@DGPRI1> alter system set log_archive_dest_1='LOCATION=/arch' scope=spfile sid='DGPRI2';

System altered.

SYS@DGPRI1> host srvctl stop database -d TESTDG -o immediate

SYS@DGPRI1> host srvctl status database -d TESTDG

Instance DGPRI1 is not running on node zfXXX3

Instance DGPRI2 is not running on node zfXXX4

SYS@DGPRI1> host srvctl start database -d TESTDG -o mount

SYS@DGPRI1> archive log list;

ORA-03135: connection lost contact

SYS@DGPRI1> conn / as sysdba

Connected.

SYS@DGPRI1> alter database archivelog;

Database altered.

SYS@DGPRI1> set line 9999

SYS@DGPRI1> select name , open_mode, log_mode,force_logging,DATABASE_ROLE,switchover_status from gv$database;

NAME      OPEN_MODE            LOG_MODE     FOR DATABASE_ROLE    SWITCHOVER_STATUS

--------- -------------------- ------------ --- ---------------- --------------------

TESTDG    MOUNTED              ARCHIVELOG   YES PRIMARY          NOT ALLOWED

TESTDG    MOUNTED              ARCHIVELOG   YES PRIMARY          NOT ALLOWED

SYS@DGPRI1> archive log list;

Database log mode              Archive Mode

Automatic archival             Enabled

Archive destination            /arch

Oldest online log sequence     5

Next log sequence to archive   6

Current log sequence           6

SYS@DGPRI1> alter database open;

Database altered.

SYS@DGPRI1> select name , open_mode, log_mode,force_logging,DATABASE_ROLE,switchover_status from gv$database;

NAME      OPEN_MODE            LOG_MODE     FOR DATABASE_ROLE    SWITCHOVER_STATUS

--------- -------------------- ------------ --- ---------------- --------------------

TESTDG    READ WRITE           ARCHIVELOG   YES PRIMARY          NOT ALLOWED

TESTDG    MOUNTED              ARCHIVELOG   YES PRIMARY          NOT ALLOWED

SYS@DGPRI1>

启动第二个节点:

[ZFXXX4:root]:/>ORACLE_SID=DGPRI2

[ZFXXX4:root]:/>su - oracle

[ZFXXX4:oracle]:/oracle>ORACLE_SID=DGPRI2

[ZFXXX4:oracle]:/oracle>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Wed Feb 17 12:26:42 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

SYS@DGPRI2> alter database open;

Database altered.

SYS@DGPRI2> set line 9999

SYS@DGPRI2> select name , open_mode, log_mode,force_logging,DATABASE_ROLE,switchover_status from gv$database;

NAME      OPEN_MODE            LOG_MODE     FOR DATABASE_ROLE    SWITCHOVER_STATUS

--------- -------------------- ------------ --- ---------------- --------------------

TESTDG    READ WRITE           ARCHIVELOG   YES PRIMARY          NOT ALLOWED

TESTDG    READ WRITE           ARCHIVELOG   YES PRIMARY          NOT ALLOWED

SYS@DGPRI2> archive log list;

Database log mode              Archive Mode

Automatic archival             Enabled

Archive destination            /arch

Oldest online log sequence     1

Next log sequence to archive   1

Current log sequence           1

SYS@DGPRI2>

二.2.2.2  为主库添加standby redo log

--为主库添加standby redo log,简要描述一下standby redo log的作用

--实际上就是与主库接收到的重做日志相对应,也就是说备库调用RFS进程将从主库接收到的重做日志按顺序写入到standby logfile

--在主库创建standby logfile是便于发生角色转换后备用

--sandby redo log创建原则:

--a)、确保standby redo log的大小与主库online redo log的大小一致

--b)、如主库为单实例数据库:standby redo log组数=主库日志组总数+1

--c)、如果主库是RAC数据库:standby redo log组数=(每线程的日志组数+1)*最大线程数

--d)、不建议复用standby redo log,避免增加额外的I/O以及延缓重做传输

单实例:

alter database add standby logfile group 4 ('/u01/app/oracle/oradata/oralg/standby_redo04.log') size 50m;

alter database add standby logfile group 5 ('/u01/app/oracle/oradata/oralg/standby_redo05.log') size 50m;

alter database add standby logfile group 6 ('/u01/app/oracle/oradata/oralg/standby_redo06.log') size 50m;

alter database add standby logfile group 7 ('/u01/app/oracle/oradata/oralg/standby_redo07.log') size 50m;

rac下:

alter database add standby logfile thread 1 group 5 size 50M ,group 6 size 50M ,group 7 size 50M ;

alter database add standby logfile thread 2 group 8 size 50M ,group 9 size 50M ,group 10 size 50M ;

SYS@DGPRI1> select * from v$standby_log;

no rows selected

SYS@DGPRI1> select group#,THREAD#,MEMBERS  from v$log ;

GROUP#    THREAD#    MEMBERS

---------- ---------- ----------

1          1          2

2          1          2

3          2          2

4          2          2

SYS@DGPRI1>

SYS@DGPRI1> col member format a100

SYS@DGPRI1> select GROUP# ,STATUS , TYPE , MEMBER from v$logfile;

GROUP# STATUS  TYPE    MEMBER

---------- ------- ------- ----------------------------------------------------------------------------------------------------

2         ONLINE  +DATA/testdg/onlinelog/group_2.260.904043421

2         ONLINE  +DATA/testdg/onlinelog/group_2.263.904043421

1         ONLINE  +DATA/testdg/onlinelog/group_1.262.904043421

1         ONLINE  +DATA/testdg/onlinelog/group_1.261.904043421

3         ONLINE  +DATA/testdg/onlinelog/group_3.303.904043623

3         ONLINE  +DATA/testdg/onlinelog/group_3.304.904043623

4         ONLINE  +DATA/testdg/onlinelog/group_4.305.904043623

4         ONLINE  +DATA/testdg/onlinelog/group_4.306.904043623

8 rows selected.

SYS@DGPRI1> alter database add standby logfile thread 1 group 5 size 50M ,group 6 size 50M ,group 7 size 50M ;

Database altered.

SYS@DGPRI1> alter database add standby logfile thread 2 group 8 size 50M ,group 9 size 50M ,group 10 size 50M ;

Database altered.

SYS@DGPRI1> select GROUP#,DBID,THREAD#,SEQUENCE#,BYTES,BLOCKSIZE,USED,ARCHIVED,STATUS from v$standby_log;

GROUP# DBID                                        THREAD#  SEQUENCE#      BYTES  BLOCKSIZE       USED ARC STATUS

---------- ---------------------------------------- ---------- ---------- ---------- ---------- ---------- --- ----------

5 UNASSIGNED                                        1          0   52428800        512          0 YES UNASSIGNED

6 UNASSIGNED                                        1          0   52428800        512          0 YES UNASSIGNED

7 UNASSIGNED                                        1          0   52428800        512          0 YES UNASSIGNED

8 UNASSIGNED                                        2          0   52428800        512          0 YES UNASSIGNED

9 UNASSIGNED                                        2          0   52428800        512          0 YES UNASSIGNED

10 UNASSIGNED                                        2          0   52428800        512          0 YES UNASSIGNED

6 rows selected.

SYS@DGPRI1>

SYS@DGPRI1> select   GROUP# ,STATUS , TYPE  ,  MEMBER from v$logfile;

GROUP# STATUS  TYPE    MEMBER

---------- ------- ------- ----------------------------------------------------------------------------------------------------

2         ONLINE  +DATA/testdg/onlinelog/group_2.260.904043421

2         ONLINE  +DATA/testdg/onlinelog/group_2.263.904043421

1         ONLINE  +DATA/testdg/onlinelog/group_1.262.904043421

1         ONLINE  +DATA/testdg/onlinelog/group_1.261.904043421

3         ONLINE  +DATA/testdg/onlinelog/group_3.303.904043623

3         ONLINE  +DATA/testdg/onlinelog/group_3.304.904043623

4         ONLINE  +DATA/testdg/onlinelog/group_4.305.904043623

4         ONLINE  +DATA/testdg/onlinelog/group_4.306.904043623

5         STANDBY +DATA/testdg/onlinelog/group_5.267.904048731

5         STANDBY +DATA/testdg/onlinelog/group_5.294.904048731

6         STANDBY +DATA/testdg/onlinelog/group_6.308.904048733

6         STANDBY +DATA/testdg/onlinelog/group_6.309.904048733

7         STANDBY +DATA/testdg/onlinelog/group_7.310.904048733

7         STANDBY +DATA/testdg/onlinelog/group_7.311.904048733

8         STANDBY +DATA/testdg/onlinelog/group_8.312.904048737

8         STANDBY +DATA/testdg/onlinelog/group_8.313.904048737

9         STANDBY +DATA/testdg/onlinelog/group_9.314.904048737

9         STANDBY +DATA/testdg/onlinelog/group_9.315.904048739

10         STANDBY +DATA/testdg/onlinelog/group_10.316.904048739

10         STANDBY +DATA/testdg/onlinelog/group_10.317.904048739

20 rows selected.

SYS@DGPRI1> show parameter name

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

cell_offloadgroup_name               string

db_file_name_convert                 string

db_name                              string      TESTDG

db_unique_name                       string      TESTDG

global_names                         boolean     FALSE

instance_name                        string      DGPRI1

lock_name_space                      string

log_file_name_convert                string

processor_group_name                 string

service_names                        string      TESTDG

SYS@DGPRI1>

二.2.2.3  修改主库参数文件

--使用下面的命令修改主库参数(此时主库应当使用spfile启动参数)

LOG_ARCHIVE_CONFIG = 'DG_CONFIG ( db_unique_name, db_unique_name, ... )'  主库与备库端采用相同设置。
LOG_ARCHIVE_DEST_n ='SERVICE=。。。。。   SERIVCE: 用于指定备用数据库的TNSNAMES描述符
db_file_name_convert、 log_file_name_convert 参数值为路径,可以直接写db_unique_name, 如果使用ASM,可以设置为*.db_file_name_convert =('+DATA','+RECOVERY')

fal_server、 fal_client 参数值为TNSNAMES描述符

alter system set db_unique_name='TESTDG' scope=spfile;

alter system set log_archive_config='DG_CONFIG=(TESTDG,TESTDGPHY)' sid='*';

alter system set log_archive_dest_1='LOCATION=/arch db_unique_name=TESTDG valid_for=(ALL_LOGFILES,ALL_ROLES)' sid='*';

alter system set log_archive_dest_2='SERVICE=TNS_DGPHY LGWR ASYNC db_unique_name=TESTDGPHY valid_for=(ONLINE_LOGFILES,PRIMARY_ROLE)' sid='*';

alter system set log_archive_dest_state_1=enable sid='*';

alter system set log_archive_dest_state_2=enable sid='*';

alter system set log_archive_max_processes=4 sid='*';

alter system set remote_login_passwordfile='EXCLUSIVE' scope=spfile;

--Add below item when DB turn to standby role

alter system set db_file_name_convert='TESTDGPHY','TESTDG' scope=spfile;

alter system set log_file_name_convert='TESTDGPHY','TESTDG' scope=spfile;

alter system set standby_file_management='AUTO' sid='*';

alter system set fal_server='TNS_DGPHY' sid='*';

alter system set fal_client='TNS_DGPRI' sid='*';

SYS@DGPRI1> show parameter spfile

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

spfile                               string      +DATA/testdg/spfiledgpri.ora

SYS@DGPRI1>

SYS@DGPRI1>alter system set db_unique_name='TESTDG' scope=spfile;

alter system set log_archive_config='DG_CONFIG=(TESTDG,TESTDGPHY)' sid='*';

alter system set log_archive_dest_1='LOCATION=/arch db_unique_name=TESTDG valid_for=(ALL_LOGFILES,ALL_ROLES)' sid='*';

alter system set log_archive_dest_2='SERVICE=TNS_DGPHY LGWR ASYNC db_unique_name=TESTDGPHY valid_for=(ONLINE_LOGFILES,PRIMARY_ROLE)' sid='*';

alter system set log_archive_dest_state_1=enable sid='*';

alter system set log_archive_dest_state_2=enable sid='*';

alter system set log_archive_max_processes=4 sid='*';

alter system set remote_login_passwordfile='EXCLUSIVE' scope=spfile;

--Add below item when DB turn to standby role

alter system set db_file_name_convert='TESTDGPHY','TESTDG' scope=spfile;

alter system set log_file_name_convert='TESTDGPHY','TESTDG' scope=spfile;

alter system set standby_file_management='AUTO' sid='*';

alter system set fal_server='TNS_DGPHY' sid='*';

alter system set fal_client='TNS_DGPRI' sid='*';

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1>

System altered.

SYS@DGPRI1> SYS@DGPRI1> SYS@DGPRI1> SYS@DGPRI1>

SYS@DGPRI1>

SYS@DGPRI1>

SYS@DGPRI1>

SYS@DGPRI1>

SYS@DGPRI1>

二.3  配置主库和备库的监听

--为主库和备库配置监听,整个DG的redo传输服务,都依赖于Oracle Net,因此需要为主备库配置监听,且需要配置静态监听

--配置方法多种多样,可用netmgr,netca,以及直接编辑listener.ora 与tnsnames.ora文件

--下面是配置之后的listener.ora 与tnsnames.ora文件内容

more $ORACLE_HOME/network/admin/listener.ora

二.3.1  主库

在主库的第一个节点的监听文件中加入如下内容:

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.31)(PORT = 1521))

)

)

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(SID_NAME = PLSExtProc)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(PROGRAM = extproc)

)

(SID_DESC =

(GLOBAL_DBNAME = TESTDG)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(SID_NAME= DGPRI1)

)

)

第二个节点加入:

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.32)(PORT = 1521))

)

)

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(SID_NAME = PLSExtProc)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(PROGRAM = extproc)

)

(SID_DESC =

(GLOBAL_DBNAME = TESTDG)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(SID_NAME= DGPRI2)

)

)

以第一个节点为例,其它类似:

[ZFXXX3:oracle]:/oracle>lsnrctl status

LSNRCTL for IBM/AIX RISC System/6000: Version 11.2.0.4.0 - Production on 17-FEB-2016 16:50:02

Copyright (c) 1991, 2013, Oracle.  All rights reserved.

Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))

STATUS of the LISTENER

------------------------

Alias                     LISTENER

Version                   TNSLSNR for IBM/AIX RISC System/6000: Version 11.2.0.4.0 - Production

Start Date                31-DEC-2015 15:02:50

Uptime                    48 days 1 hr. 47 min. 12 sec

Trace Level               off

Security                  ON: Local OS Authentication

SNMP                      OFF

Listener Parameter File   /oracle/app/11.2.0/grid/network/admin/listener.ora

Listener Log File         /oracle/app/grid/diag/tnslsnr/ZFXXX3/listener/alert/log.xml

将上边所说的内容加入文件:/oracle/app/11.2.0/grid/network/admin/listener.ora ,然后重启监听器,lsnrctl stop , lsnrctl start,需要注意的是rac下是在grid用户下修改监听文件的。

二.3.2  备库

监听配置参考主库的操作:

备库第一个节点:

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.64)(PORT = 1521))

)

)

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(SID_NAME = PLSExtProc)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(PROGRAM = extproc)

)

(SID_DESC =

(GLOBAL_DBNAME = TESTDG)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(SID_NAME= DGPHY1)

)

)

备库第二个节点:

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.66)(PORT = 1521))

)

)

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(SID_NAME = PLSExtProc)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(PROGRAM = extproc)

)

(SID_DESC =

(GLOBAL_DBNAME = TESTDG)

(ORACLE_HOME = /oracle/app/oracle/product/11.2.0/db)

(SID_NAME= DGPHY2)

)

)

二.4  配置主库和备库的tnsname

[ZFXXX3:grid]:/oracle/app/11.2.0/grid/network/admin>exit

[ZFXXX3:root]:/>su - oracle

[ZFXXX3:oracle]:/oracle>cd $ORACLE_HOME/network/admin

[ZFXXX3:oracle]:/oracle/app/oracle/product/11.2.0/db/network/admin>ls

samples       shrept.lst    sqlnet.ora    tnsnames.b    tnsnames.ora

[ZFXXX3:oracle]:/oracle/app/oracle/product/11.2.0/db/network/admin>vi $ORACLE_HOME/network/admin/tnsnames.ora

注意:tns文件是在oracle用户下配置,将主库和备库的一共4个节点的tnsnames.ora文件加入如下内容:

TNS_DGPRI =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.31)(PORT = 1521))

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.32)(PORT = 1521))

(CONNECT_DATA =

(SERVER = DEDICATED)

(SERVICE_NAME = TESTDG)

)

)

TNS_DGPHY =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.64)(PORT = 1521))

(ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.66)(PORT = 1521))

(CONNECT_DATA =

(SERVER = DEDICATED)

(SERVICE_NAME = TESTDG)

)

)

在4个节点上分别测试:

[ZFXXX1:oracle]:/oracle>tnsping TNS_DGPHY

TNS Ping Utility for IBM/AIX RISC System/6000: Version 11.2.0.4.0 - Production on 17-FEB-2016 17:50:00

Copyright (c) 1997, 2013, Oracle.  All rights reserved.

Used parameter files:

/oracle/app/oracle/product/11.2.0/db/network/admin/sqlnet.ora

Used TNSNAMES adapter to resolve the alias

Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.64)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.66)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = TESTDG)))

OK (80 msec)

[ZFXXX1:oracle]:/oracle>tnsping TNS_DGPRI

TNS Ping Utility for IBM/AIX RISC System/6000: Version 11.2.0.4.0 - Production on 17-FEB-2016 17:50:09

Copyright (c) 1997, 2013, Oracle.  All rights reserved.

Used parameter files:

/oracle/app/oracle/product/11.2.0/db/network/admin/sqlnet.ora

Used TNSNAMES adapter to resolve the alias

Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.31)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = 22.123.124.32)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = TESTDG)))

OK (0 msec)

[ZFXXX1:oracle]:/oracle>

二.5  配置主备库密码文件

--由于要求主库与备库sys使用相同的密码,在此处,我们直接复制了主库的密码文件到备库,将主库第一个节点的密码文件copy到其它3个节点并修改名称,名称为orapw+ORACLE_SID

[ZFXXX3:oracle]:/oracle>l $ORACLE_HOME/dbs/orapwDGPRI*

-rw-r-----    1 oracle   dba            1536 Feb 17 11:12 /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI1

[ZFXXX3:oracle]:/oracle>cp /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI1 /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI2

[ZFXXX3:oracle]:/oracle>cp /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI1 /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPHY1

[ZFXXX3:oracle]:/oracle>cp /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI1 /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPHY2

[ZFXXX3:oracle]:/oracle>scp /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI2 oracle@22.123.124.32:/oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI2

[ZFXXX3:oracle]:/oracle>scp /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPHY1 oracle@22.123.124.64:/oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPHY1

[ZFXXX3:oracle]:/oracle>scp /oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPHY2 oracle@22.123.124.66:/oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPHY2

二.6  备库操作

二.6.1  配置备库路径

11g一般创建如下路径,若是asm的话只需要创建 /u01/app/oracle/admin/TESTDGPHY/adump

mkdir -p $ORACLE_BASE/admin/TESTDGPHY/adump

mkdir -p  $ORACLE_BASE/oradata/TESTDGPHY/

mkdir -p  $ORACLE_BASE/oradata/TESTDGPHY/standby_redo/

[ZFXXX1:oracle]:/oracle>mkdir -p  $ORACLE_BASE/admin/TESTDGPHY/adump

[ZFXXX1:oracle]:/oracle>

第二个节点创建:

[ZFXXX2:oracle]:/oracle>mkdir -p  $ORACLE_BASE/admin/TESTDGPHY/adump

[ZFXXX2:oracle]:/oracle>

11g如果不创建audit_file_dest的路径会报如下的错误,而10g的话创建的路径比较多,可以查看spfile内容进行创建:

RMAN-04014: startup failed: ORA-09925: Unable to create audit trail file

IBM AIX RISC System/6000 Error: 2: No such file or directory

Additional information: 9925

二.6.2  配置备库pfile文件并启动到nomount状态

我们选择备库的第一个节点作为实施节点:

[ZFXXX1:root]:/>su - oracle

[ZFXXX1:oracle]:/oracle>cd $ORACLE_HOME/dbs

[ZFXXX1:oracle]:/oracle/app/oracle/product/11.2.0/db/dbs>l

total 42416

-rw-rw----    1 oracle   dba            1544 Dec 25 09:31 hc_oraESK1.dat

-rw-rw----    1 oracle   dba            1544 Feb 18 09:32 hc_oraESKDB1.dat

-rw-rw----    1 oracle   dba            1544 Jul 16 2015  hc_oraMCIS1.dat

-rw-rw----    1 oracle   dba            1544 Nov 18 2014  hc_oraNUW1.dat

-rw-rw----    1 oracle   dba            1544 Dec 23 2014  hc_oraTEST2.dat

-rw-rw----    1 oracle   dba            1544 Jan 29 16:17 hc_oralhr.dat

-rw-rw----    1 oracle   dba            1544 Jan 29 15:47 hc_oralhr1.dat

-rw-r--r--    1 oracle   dba            2851 May 15 2009  init.ora

-rw-r-----    1 oracle   dba             162 Jul 15 2015  initDBUA4155109.ora

-rw-r-----    1 oracle   dba              39 Dec 24 17:21 initoraESK1.ora

-rw-r--r--    1 oracle   dba              66 Feb 01 17:08 initoraESKDB1.ora

-rw-r-----    1 oracle   dba              42 Jul 15 2015  initoraMCIS1.ora

-rw-r-----    1 oracle   dba              40 Nov 06 2014  initoraNUW1.ora

-rw-r-----    1 oracle   dba              42 Nov 19 2014  initoraTEST2.ora

-rw-r--r--    1 oracle   dba             923 Jan 29 15:51 initoralhr.ora

-rw-r-----    1 oracle   dba             843 Jan 08 09:20 initoralhr.ora.bak.zfXXX1

-rw-r--r--    1 oracle   dba              80 Jan 29 15:47 initoralhr1.ora

-rw-r-----    1 oracle   dba            1536 Jul 15 2015  orapwDBUA4155109

-rw-r-----    1 oracle   dba            1536 Feb 17 17:59 orapwDGPHY1

-rw-r-----    1 oracle   dba            1536 Jan 08 16:16 orapworaESKDB1

-rw-r-----    1 oracle   dba            1536 Jul 15 2015  orapworaMCIS1

-rw-r-----    1 oracle   dba            1536 Nov 06 2014  orapworaNUW1

-rw-r-----    1 oracle   dba            1536 Nov 19 2014  orapworaTEST2

-rw-r-----    1 oracle   dba            1536 Jan 07 15:43 orapworalhr

-rw-r-----    1 oracle   dba        21610496 Jan 04 14:52 snapcf_oraESKDB1.f

[ZFXXX1:oracle]:/oracle>export ORACLE_SID=DGPHY1

[ZFXXX1:oracle]:/oracle>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Thu Feb 18 10:20:55 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to an idle instance.

SYS@DGPHY1> startup nomount pfile=?/dbs/initDGPHY1.ora

ORACLE instance started.

Total System Global Area  271437824 bytes

Fixed Size                  2245464 bytes

Variable Size             213912744 bytes

Database Buffers           50331648 bytes

Redo Buffers                4947968 bytes

SYS@DGPHY1>

二.6.3  利用rman的duplicate复制主库文件到备库

--对于从主库克隆standby有多种方法,而且Oracle 11g支持从ative database直接克隆数据库

--为主库生成控制文件,注,对于配置standby,不能直接使用copy方式复制控制文件到备库

我们选择备库的第一个节点作为实施节点,脚本需要修改的地方参考前边的说明,懒人可以把TNS和db_unique_name设置成一样的:

duplicate target database

for standby nofilenamecheck

from active database

DORECOVER

spfile

set db_unique_name='TESTDGPHY'

set log_archive_dest_1='LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'

set log_archive_dest_2='service=TNS_DGPRI async lgwr register valid_for=(online_logfile,primary_role) db_unique_name=TESTDG'

set standby_file_management='AUTO'

set fal_server='TNS_DGPRI'

set fal_client='TESTDGPHY'

set control_files='+DATA/TESTDGPHY/controlfile/crontal01.ctl','+DATA/TESTDGPHY/controlfile/control02.ctl'

set db_file_name_convert='TESTDG','TESTDGPHY'

set log_file_name_convert='TESTDG','TESTDGPHY'

set memory_target='1024M'

set audit_file_dest='/oracle/app/oracle/admin/TESTDGPHY/adump'

set db_create_file_dest = '+DATA'

set instance_number = '1'

;

若主库比较大,也可以多开几个channel来传递,如下脚本:

run {

allocate channel ch001 type disk;

allocate channel ch002 type disk;

allocate channel ch003 type disk;

allocate channel ch004 type disk;

allocate auxiliary channel ch005 type disk;

duplicate target database

for standby nofilenamecheck

from active database

DORECOVER

spfile

set db_unique_name='TESTDGPHY'

set log_archive_dest_1='LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'

set log_archive_dest_2='service=TNS_DGPRI async lgwr register valid_for=(online_logfile,primary_role) db_unique_name=TESTDG'

set standby_file_management='AUTO'

set fal_server='TNS_DGPRI'

set fal_client='TESTDGPHY'

set control_files='+DATA/TESTDGPHY/controlfile/crontal01.ctl','+DATA/TESTDGPHY/controlfile/control02.ctl'

set db_file_name_convert='TESTDG','TESTDGPHY'

set log_file_name_convert='TESTDG','TESTDGPHY'

set memory_target='1024M'

set audit_file_dest='/oracle/app/oracle/admin/TESTDGPHY/adump'

set db_create_file_dest = '+DATA'

set instance_number = '1'

;

release channel ch001;

release channel ch002;

release channel ch003;

release channel ch004;

release channel ch005;

}

[ZFXXX1:oracle]:/oracle>rman target sys/lhr@TNS_DGPRI auxiliary sys/lhr@TNS_DGPHY

Recovery Manager: Release 11.2.0.4.0 - Production on Thu Feb 18 14:29:29 2016

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: TESTDG (DBID=2836886746)

connected to auxiliary database: TESTDG (not mounted)

RMAN> duplicate target database

2> for standby nofilenamecheck

3> from active database

4> DORECOVER

5> spfile

6> set db_unique_name='TESTDGPHY'

7> set log_archive_dest_1='LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'

8> set log_archive_dest_2='service=TNS_DGPRI async lgwr register valid_for=(online_logfile,primary_role) db_unique_name=TESTDG'

9> set standby_file_management='AUTO'

10> set fal_server='TNS_DGPRI'

11> set fal_client='TESTDGPHY'

12> set control_files='+DATA/TESTDGPHY/controlfile/crontal01.ctl','+DATA/TESTDGPHY/controlfile/control02.ctl'

13> set db_file_name_convert='TESTDG','TESTDGPHY'

14> set log_file_name_convert='TESTDG','TESTDGPHY'

15> set memory_target='1024M'

16> set audit_file_dest='/oracle/app/oracle/admin/TESTDGPHY/adump'

17> set db_create_file_dest = '+DATA'

18> set instance_number = '1'

19> ;

Starting Duplicate Db at 2016-02-18 14:29:41

using target database control file instead of recovery catalog

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: SID=44 device type=DISK

contents of Memory Script:

{

backup as copy reuse

targetfile  '/oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPRI1' auxiliary format

'/oracle/app/oracle/product/11.2.0/db/dbs/orapwDGPHY1'   targetfile

'+DATA/testdg/spfiledgpri.ora' auxiliary format

'/oracle/app/oracle/product/11.2.0/db/dbs/spfileDGPHY1.ora'   ;

sql clone "alter system set spfile= ''/oracle/app/oracle/product/11.2.0/db/dbs/spfileDGPHY1.ora''";

}

executing Memory Script

Starting backup at 2016-02-18 14:29:41

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=71 instance=DGPRI1 device type=DISK

Finished backup at 2016-02-18 14:29:44

sql statement: alter system set spfile= ''/oracle/app/oracle/product/11.2.0/db/dbs/spfileDGPHY1.ora''

contents of Memory Script:

{

sql clone "alter system set  db_unique_name =

''TESTDGPHY'' comment=

'''' scope=spfile";

sql clone "alter system set  log_archive_dest_1 =

''LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'' comment=

'''' scope=spfile";

sql clone "alter system set  log_archive_dest_2 =

''service=TNS_DGPRI async lgwr register valid_for=(online_logfile,primary_role) db_unique_name=TESTDG'' comment=

'''' scope=spfile";

sql clone "alter system set  standby_file_management =

''AUTO'' comment=

'''' scope=spfile";

sql clone "alter system set  fal_server =

''TNS_DGPRI'' comment=

'''' scope=spfile";

sql clone "alter system set  fal_client =

''TESTDGPHY'' comment=

'''' scope=spfile";

sql clone "alter system set  control_files =

''+DATA/TESTDGPHY/controlfile/crontal01.ctl'', ''+DATA/TESTDGPHY/controlfile/control02.ctl'' comment=

'''' scope=spfile";

sql clone "alter system set  db_file_name_convert =

''TESTDG'', ''TESTDGPHY'' comment=

'''' scope=spfile";

sql clone "alter system set  log_file_name_convert =

''TESTDG'', ''TESTDGPHY'' comment=

'''' scope=spfile";

sql clone "alter system set  memory_target =

1024M comment=

'''' scope=spfile";

sql clone "alter system set  audit_file_dest =

''/oracle/app/oracle/admin/TESTDGPHY/adump'' comment=

'''' scope=spfile";

sql clone "alter system set  db_create_file_dest =

''+DATA'' comment=

'''' scope=spfile";

sql clone "alter system set  instance_number =

1 comment=

'''' scope=spfile";

shutdown clone immediate;

startup clone nomount;

}

executing Memory Script

sql statement: alter system set  db_unique_name =  ''TESTDGPHY'' comment= '''' scope=spfile

sql statement: alter system set  log_archive_dest_1 =  ''LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'' comment= '''' scope=spfile

sql statement: alter system set  log_archive_dest_2 =  ''service=TNS_DGPRI async lgwr register valid_for=(online_logfile,primary_role) db_unique_name=TESTDG'' comment= '''' scope=spfile

sql statement: alter system set  standby_file_management =  ''AUTO'' comment= '''' scope=spfile

sql statement: alter system set  fal_server =  ''TNS_DGPRI'' comment= '''' scope=spfile

sql statement: alter system set  fal_client =  ''TESTDGPHY'' comment= '''' scope=spfile

sql statement: alter system set  control_files =  ''+DATA/TESTDGPHY/controlfile/crontal01.ctl'', ''+DATA/TESTDGPHY/controlfile/control02.ctl'' comment= '''' scope=spfile

sql statement: alter system set  db_file_name_convert =  ''TESTDG'', ''TESTDGPHY'' comment= '''' scope=spfile

sql statement: alter system set  log_file_name_convert =  ''TESTDG'', ''TESTDGPHY'' comment= '''' scope=spfile

sql statement: alter system set  memory_target =  1024M comment= '''' scope=spfile

sql statement: alter system set  audit_file_dest =  ''/oracle/app/oracle/admin/TESTDGPHY/adump'' comment= '''' scope=spfile

sql statement: alter system set  db_create_file_dest =  ''+DATA'' comment= '''' scope=spfile

sql statement: alter system set  instance_number =  1 comment= '''' scope=spfile

Oracle instance shut down

connected to auxiliary database (not started)

Oracle instance started

Total System Global Area    1068937216 bytes

Fixed Size                     2253216 bytes

Variable Size                608177760 bytes

Database Buffers             452984832 bytes

Redo Buffers                   5521408 bytes

contents of Memory Script:

{

backup as copy current controlfile for standby auxiliary format  '+DATA/testdgphy/controlfile/crontal01.ctl';

restore clone controlfile to  '+DATA/testdgphy/controlfile/control02.ctl' from

'+DATA/testdgphy/controlfile/crontal01.ctl';

}

executing Memory Script

Starting backup at 2016-02-18 14:29:59

using channel ORA_DISK_1

channel ORA_DISK_1: starting datafile copy

copying standby control file

output file name=/oracle/app/oracle/product/11.2.0/db/dbs/snapcf_DGPRI1.f tag=TAG20160218T143003 RECID=2 STAMP=904141804

channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01

Finished backup at 2016-02-18 14:30:01

Starting restore at 2016-02-18 14:30:01

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: SID=97 instance=DGPHY1 device type=DISK

channel ORA_AUX_DISK_1: copied control file copy

Finished restore at 2016-02-18 14:30:03

contents of Memory Script:

{

sql clone 'alter database mount standby database';

}

executing Memory Script

sql statement: alter database mount standby database

RMAN-05529: WARNING: DB_FILE_NAME_CONVERT resulted in invalid ASM names; names changed to disk group only.

contents of Memory Script:

{

set newname for tempfile  1 to

"+data";

switch clone tempfile all;

set newname for datafile  1 to

"+data";

set newname for datafile  2 to

"+data";

set newname for datafile  3 to

"+data";

set newname for datafile  4 to

"+data";

set newname for datafile  5 to

"+data";

set newname for datafile  6 to

"+data";

backup as copy reuse

datafile  1 auxiliary format

"+data"   datafile

2 auxiliary format

"+data"   datafile

3 auxiliary format

"+data"   datafile

4 auxiliary format

"+data"   datafile

5 auxiliary format

"+data"   datafile

6 auxiliary format

"+data"   ;

sql 'alter system archive log current';

}

executing Memory Script

executing command: SET NEWNAME

renamed tempfile 1 to +data in control file

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

Starting backup at 2016-02-18 14:30:08

using channel ORA_DISK_1

channel ORA_DISK_1: starting datafile copy

input datafile file number=00001 name=+DATA/testdg/datafile/system.293.904043353

output file name=+DATA/testdgphy/datafile/system.456.904141809 tag=TAG20160218T143012

channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15

channel ORA_DISK_1: starting datafile copy

input datafile file number=00002 name=+DATA/testdg/datafile/sysaux.292.904043353

output file name=+DATA/testdgphy/datafile/sysaux.457.904141825 tag=TAG20160218T143012

channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15

channel ORA_DISK_1: starting datafile copy

input datafile file number=00005 name=+DATA/testdg/datafile/example.301.904043427

output file name=+DATA/testdgphy/datafile/example.458.904141839 tag=TAG20160218T143012

channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07

channel ORA_DISK_1: starting datafile copy

input datafile file number=00003 name=+DATA/testdg/datafile/undotbs1.291.904043355

output file name=+DATA/testdgphy/datafile/undotbs1.459.904141847 tag=TAG20160218T143012

channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03

channel ORA_DISK_1: starting datafile copy

input datafile file number=00006 name=+DATA/testdg/datafile/undotbs2.302.904043579

output file name=+DATA/testdgphy/datafile/undotbs2.460.904141849 tag=TAG20160218T143012

channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01

channel ORA_DISK_1: starting datafile copy

input datafile file number=00004 name=+DATA/testdg/datafile/users.290.904043355

output file name=+DATA/testdgphy/datafile/users.461.904141851 tag=TAG20160218T143012

channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01

Finished backup at 2016-02-18 14:30:51

sql statement: alter system archive log current

contents of Memory Script:

{

backup as copy reuse

archivelog like  "/arch/1_11_904043420.dbf" auxiliary format

"/arch/1_11_904043420.dbf"   archivelog like

"/arch/1_12_904043420.dbf" auxiliary format

"/arch/1_12_904043420.dbf"   archivelog like

"/arch/1_10_904043420.dbf" auxiliary format

"/arch/1_10_904043420.dbf"   archivelog like

"/arch/2_5_904043420.dbf" auxiliary format

"/arch/2_5_904043420.dbf"   archivelog like

"/arch/2_4_904043420.dbf" auxiliary format

"/arch/2_4_904043420.dbf"   ;

catalog clone archivelog  "/arch/1_11_904043420.dbf";

catalog clone archivelog  "/arch/1_12_904043420.dbf";

catalog clone archivelog  "/arch/1_10_904043420.dbf";

catalog clone archivelog  "/arch/2_5_904043420.dbf";

catalog clone archivelog  "/arch/2_4_904043420.dbf";

switch clone datafile all;

}

executing Memory Script

Starting backup at 2016-02-18 14:30:54

using channel ORA_DISK_1

channel ORA_DISK_1: starting archived log copy

input archived log thread=1 sequence=11 RECID=9 STAMP=904141813

output file name=/arch/1_11_904043420.dbf RECID=0 STAMP=0

channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:01

channel ORA_DISK_1: starting archived log copy

input archived log thread=1 sequence=12 RECID=12 STAMP=904141858

output file name=/arch/1_12_904043420.dbf RECID=0 STAMP=0

channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:01

channel ORA_DISK_1: starting archived log copy

input archived log thread=1 sequence=10 RECID=8 STAMP=904122715

output file name=/arch/1_10_904043420.dbf RECID=0 STAMP=0

channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:03

channel ORA_DISK_1: starting archived log copy

input archived log thread=2 sequence=5 RECID=11 STAMP=904141841

output file name=/arch/2_5_904043420.dbf RECID=0 STAMP=0

channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:01

channel ORA_DISK_1: starting archived log copy

input archived log thread=2 sequence=4 RECID=10 STAMP=904141800

output file name=/arch/2_4_904043420.dbf RECID=0 STAMP=0

channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:01

Finished backup at 2016-02-18 14:31:02

cataloged archived log

archived log file name=/arch/1_11_904043420.dbf RECID=1 STAMP=904141862

cataloged archived log

archived log file name=/arch/1_12_904043420.dbf RECID=2 STAMP=904141862

cataloged archived log

archived log file name=/arch/1_10_904043420.dbf RECID=3 STAMP=904141862

cataloged archived log

archived log file name=/arch/2_5_904043420.dbf RECID=4 STAMP=904141863

cataloged archived log

archived log file name=/arch/2_4_904043420.dbf RECID=5 STAMP=904141863

datafile 1 switched to datafile copy

input datafile copy RECID=2 STAMP=904141863 file name=+DATA/testdgphy/datafile/system.456.904141809

datafile 2 switched to datafile copy

input datafile copy RECID=3 STAMP=904141863 file name=+DATA/testdgphy/datafile/sysaux.457.904141825

datafile 3 switched to datafile copy

input datafile copy RECID=4 STAMP=904141863 file name=+DATA/testdgphy/datafile/undotbs1.459.904141847

datafile 4 switched to datafile copy

input datafile copy RECID=5 STAMP=904141863 file name=+DATA/testdgphy/datafile/users.461.904141851

datafile 5 switched to datafile copy

input datafile copy RECID=6 STAMP=904141863 file name=+DATA/testdgphy/datafile/example.458.904141839

datafile 6 switched to datafile copy

input datafile copy RECID=7 STAMP=904141863 file name=+DATA/testdgphy/datafile/undotbs2.460.904141849

contents of Memory Script:

{

set until scn  1182684;

recover

standby

clone database

delete archivelog

;

}

executing Memory Script

executing command: SET until clause

Starting recover at 2016-02-18 14:31:03

using channel ORA_AUX_DISK_1

starting media recovery

archived log for thread 1 with sequence 11 is already on disk as file /arch/1_11_904043420.dbf

archived log for thread 1 with sequence 12 is already on disk as file /arch/1_12_904043420.dbf

archived log for thread 2 with sequence 4 is already on disk as file /arch/2_4_904043420.dbf

archived log for thread 2 with sequence 5 is already on disk as file /arch/2_5_904043420.dbf

archived log file name=/arch/1_11_904043420.dbf thread=1 sequence=11

archived log file name=/arch/2_4_904043420.dbf thread=2 sequence=4

archived log file name=/arch/1_12_904043420.dbf thread=1 sequence=12

archived log file name=/arch/2_5_904043420.dbf thread=2 sequence=5

media recovery complete, elapsed time: 00:00:00

Finished recover at 2016-02-18 14:31:06

Finished Duplicate Db at 2016-02-18 14:31:13

RMAN>

二.6.4  创建备库spfile并启动备库

由于备库是rac,我们应该修改spfile到磁盘组,然后才能启动rac的2个节点:

[ZFXXX1:oracle]:/oracle>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Thu Feb 18 14:36:27 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

SYS@DGPHY1> select open_mode from v$database;

OPEN_MODE

--------------------

MOUNTED

SYS@DGPHY1> show parameter cluster

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

cluster_database                     boolean     TRUE

cluster_database_instances           integer     2

cluster_interconnects                string

SYS@DGPHY1> show  parameter spfile

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

spfile                               string      /oracle/app/oracle/product/11.

2.0/db/dbs/spfileDGPHY1.ora

SYS@DGPHY1>

SYS@DGPHY1> create pfile='/tmp/aa.txt' from spfile;

File created.

这里修改pfile文件内容修改后的内容如下:

*.audit_file_dest='/oracle/app/oracle/admin/TESTDGPHY/adump'

*.audit_trail='db'

*.cluster_database=true

*.compatible='11.2.0.4.0'

*.control_files='+DATA/TESTDGPHY/controlfile/crontal01.ctl','+DATA/TESTDGPHY/controlfile/control02.ctl'

*.db_block_size=8192

*.db_create_file_dest='+DATA'

*.db_domain=''

*.db_file_name_convert='TESTDG','TESTDGPHY'

*.db_name='TESTDG'

*.db_recovery_file_dest='+DATA'

*.db_recovery_file_dest_size=4621074432

*.db_unique_name='TESTDGPHY'

*.diagnostic_dest='/oracle/app/oracle'

*.dispatchers='(PROTOCOL=TCP) (SERVICE=DGPRIXDB)'

*.fal_client='TESTDGPHY'

*.fal_server='TNS_DGPRI'

*.log_archive_config='DG_CONFIG=(TESTDG,TESTDGPHY)'

*.log_archive_dest_1='LOCATION=/arch valid_for=(ALL_LOGFILES,ALL_ROLES) db_unique_name=TESTDGPHY'

*.log_archive_dest_2='service=TNS_DGPRI async lgwr register valid_for=(online_logfile,primary_role) db_unique_name=TESTDG'

*.log_archive_dest_state_1='ENABLE'

*.log_archive_dest_state_2='ENABLE'

*.log_archive_max_processes=4

*.log_file_name_convert='TESTDG','TESTDGPHY'

*.memory_target=1073741824

*.open_cursors=300

*.pga_aggregate_target=268435456

*.processes=150

*.remote_listener='ZFXXX-scan:1521'

*.remote_login_passwordfile='EXCLUSIVE'

*.sga_target=805306368

*.standby_file_management='AUTO'

DGPHY2.instance_number=2

DGPHY1.instance_number=1

DGPHY2.thread=2

DGPHY1.thread=1

DGPHY2.undo_tablespace='UNDOTBS2'

DGPHY1.undo_tablespace='UNDOTBS1'

需要关注上边蓝色的部分。

创建spfile文件到磁盘组,并在pfile文件中添加spfile的路径:

SYS@DGPHY1> create spfile='+DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora'  from pfile='/tmp/aa.txt';

File created.

SYS@DGPHY1> exit

Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

[ZFXXX1:oracle]:/oracle>echo  "SPFILE='+DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora'" >  $ORACLE_HOME/dbs/initDGPHY1.ora

[ZFXXX1:oracle]:/oracle>more $ORACLE_HOME/dbs/initDGPHY1.ora

SPFILE='+DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora'

[ZFXXX1:oracle]:/oracle>

在第二个节点中,在pfile文件中添加spfile的路径:

[ZFXXX2:oracle]:/oracle>echo  "SPFILE='+DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora'" >  $ORACLE_HOME/dbs/initDGPHY2.ora

[ZFXXX2:oracle]:/oracle>more $ORACLE_HOME/dbs/initDGPHY2.ora

SPFILE='+DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora'

删除原spfile文件:/oracle/app/oracle/product/11.2.0/db/dbs/spfileDGPHY1.ora

启动2个节点后查看:

SYS@DGPHY1> startup force;

ORACLE instance started.

Total System Global Area 1068937216 bytes

Fixed Size                  2253216 bytes

Variable Size             608177760 bytes

Database Buffers          452984832 bytes

Redo Buffers                5521408 bytes

Database mounted.

Database opened.

SYS@DGPHY1> show parameter spfile

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

spfile                               string      +DATA/testdgphy/parameterfile/

spfiledgphy.ora

SYS@DGPHY1>

SYS@DGPHY1> set line 9999

SYS@DGPHY1> select name , open_mode, log_mode,force_logging,DATABASE_ROLE,switchover_status from gv$database;

NAME      OPEN_MODE            LOG_MODE     FOR DATABASE_ROLE    SWITCHOVER_STATUS

--------- -------------------- ------------ --- ---------------- --------------------

TESTDG    READ ONLY            ARCHIVELOG   YES PHYSICAL STANDBY NOT ALLOWED

TESTDG    READ ONLY            ARCHIVELOG   YES PHYSICAL STANDBY NOT ALLOWED

SYS@DGPHY1>

二.6.5  将备库加入crsctl中

srvctl stop database -d TESTDG -o immediate

srvctl status database -d DGPHY

srvctl start database -d TESTDG -o mount

srvctl add database -d TESTDGPHY -c RAC -o /oracle/app/oracle/product/11.2.0/db -p '+DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora' -r physical_standby -n TESTDG

srvctl add instance -d TESTDGPHY -i DGPHY1 -n ZFXXX1

srvctl add instance -d TESTDGPHY -i DGPHY2 -n ZFXXX2

srvctl status database -d TESTDGPHY

srvctl start database -d TESTDGPHY

srvctl remove  database -d  TESTDGPHY

srvctl config database -d TESTDGPHY -a

dbca创建的数据库会自动加入crsctl中,但通过rman创建的库不会加入crsctl中,需要手动添加,将备库加入crsctl中后可以通过srvctl来管理数据库了。

[ZFXXX2:oracle]:/oracle>crsctl stat res -t

--------------------------------------------------------------------------------

NAME           TARGET  STATE        SERVER                   STATE_DETAILS

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.DATA.dg

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.LISTENER.lsnr

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.asm

ONLINE  ONLINE       zfXXX1               Started

ONLINE  ONLINE       zfXXX2               Started

ora.gsd

OFFLINE OFFLINE      zfXXX1

OFFLINE OFFLINE      zfXXX2

ora.net1.network

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.ons

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.registry.acfs

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

--------------------------------------------------------------------------------

Cluster Resources

--------------------------------------------------------------------------------

ora.LISTENER_SCAN1.lsnr

1        ONLINE  ONLINE       zfXXX1

ora.cvu

1        ONLINE  ONLINE       zfXXX1

ora.oc4j

1        ONLINE  ONLINE       zfXXX1

ora.ora2lhr.db

1        ONLINE  ONLINE       zfXXX2               Open

ora.oraeskdb.db

1        ONLINE  ONLINE       zfXXX1               Open

2        ONLINE  ONLINE       zfXXX2               Open

ora.oralhr.db

1        ONLINE  ONLINE       zfXXX2               Open

ora.scan1.vip

1        ONLINE  ONLINE       zfXXX1

ora.zfXXX1.vip

1        ONLINE  ONLINE       zfXXX1

ora.zfXXX2.vip

1        ONLINE  ONLINE       zfXXX2

[ZFXXX2:oracle]:/oracle>

[ZFXXX2:oracle]:/oracle>

[ZFXXX2:oracle]:/oracle>srvctl add database -h

Adds a database configuration to the Oracle Clusterware.

Usage: srvctl add database -d <db_unique_name> -o <oracle_home> [-c {RACONENODE | RAC | SINGLE} [-e <server_list>] [-i <inst_name>] [-w <timeout>]] [-m <domain_name>] [-p <spfile>] [-r {PRIMARY | PHYSICAL_STANDBY | LOGICAL_STANDBY | SNAPSHOT_STANDBY}] [-s <start_options>] [-t <stop_options>] [-n <db_name>] [-y {AUTOMATIC | MANUAL | NORESTART}] [-g "<serverpool_list>"] [-x <node_name>] [-a "<diskgroup_list>"] [-j "<acfs_path_list>"]

-d <db_unique_name>      Unique name for the database

-o <oracle_home>         ORACLE_HOME path

-c <type>                Type of database: RAC One Node, RAC, or Single Instance

-e <server_list>         Candidate server list for RAC One Node database

-i <inst_name>           Instance name prefix for administrator-managed RAC One Node database (default first 12 characters of <db_unique_name>)

-w <timeout>             Online relocation timeout in minutes

-x <node_name>           Node name. -x option is specified for single-instance databases

-m <domain>              Domain for database. Must be set if database has DB_DOMAIN set.

-p <spfile>              Server parameter file path

-r <role>                Role of the database (primary, physical_standby, logical_standby, snapshot_standby)

-s <start_options>       Startup options for the database. Examples of startup options are OPEN, MOUNT, or 'READ ONLY'.

-t <stop_options>        Stop options for the database. Examples of shutdown options are NORMAL, TRANSACTIONAL, IMMEDIATE, or ABORT.

-n <db_name>             Database name (DB_NAME), if different from the unique name given by the -d option

-y <dbpolicy>            Management policy for the database (AUTOMATIC, MANUAL, or NORESTART)

-g "<serverpool_list>"   Comma separated list of database server pool names

-a "<diskgroup_list>"    Comma separated list of disk groups

-j "<acfs_path_list>"    Comma separated list of ACFS paths where database's dependency will be set

-h                       Print usage

[ZFXXX2:oracle]:/oracle>echo $ORACLE_HOME

/oracle/app/oracle/product/11.2.0/db

[ZFXXX2:oracle]:/oracle>srvctl add database -d TESTDGPHY -c RAC -o /oracle/app/oracle/product/11.2.0/db -p '+DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora' -r physical_standby -n TESTDG -i DGPHY

[ZFXXX2:oracle]:/oracle>

[ZFXXX2:oracle]:/oracle>srvctl add instance -d TESTDGPHY -i DGPHY1 -n ZFXXX1

[ZFXXX2:oracle]:/oracle>srvctl add instance -d TESTDGPHY -i DGPHY2 -n ZFXXX2

[ZFXXX2:oracle]:/oracle>srvctl status database -d TESTDGPHY

Instance DGPHY1 is not running on node zfXXX1

Instance DGPHY2 is not running on node zfXXX2

[ZFXXX2:oracle]:/oracle>srvctl start database -d TESTDGPHY

[ZFXXX2:oracle]:/oracle>srvctl status database -d TESTDGPHY

Instance DGPHY1 is running on node zfXXX1

Instance DGPHY2 is running on node zfXXX2

[ZFXXX2:oracle]:/oracle>srvctl config database -d TESTDGPHY -a

Database unique name: TESTDGPHY

Database name: TESTDG

Oracle home: /oracle/app/oracle/product/11.2.0/db

Oracle user: oracle

Spfile: +DATA/TESTDGPHY/PARAMETERFILE/spfiledgphy.ora

Domain:

Start options: open

Stop options: immediate

Database role: PHYSICAL_STANDBY

Management policy: AUTOMATIC

Server pools: DGPHY

Database instances: DGPHY1,DGPHY2

Disk Groups:

Mount point paths:

Services:

Type: RAC

Database is enabled

Database is administrator managed

[ZFXXX2:oracle]:/oracle>

[ZFXXX2:root]:/>crsctl stat res -t

--------------------------------------------------------------------------------

NAME           TARGET  STATE        SERVER                   STATE_DETAILS

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.DATA.dg

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.LISTENER.lsnr

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.asm

ONLINE  ONLINE       zfXXX1               Started

ONLINE  ONLINE       zfXXX2               Started

ora.gsd

OFFLINE OFFLINE      zfXXX1

OFFLINE OFFLINE      zfXXX2

ora.net1.network

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.ons

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

ora.registry.acfs

ONLINE  ONLINE       zfXXX1

ONLINE  ONLINE       zfXXX2

--------------------------------------------------------------------------------

Cluster Resources

--------------------------------------------------------------------------------

ora.LISTENER_SCAN1.lsnr

1        ONLINE  ONLINE       zfXXX1

ora.cvu

1        ONLINE  ONLINE       zfXXX1

ora.oc4j

1        ONLINE  ONLINE       zfXXX1

ora.ora2lhr.db

1        ONLINE  ONLINE       zfXXX2               Open

ora.oraeskdb.db

1        ONLINE  ONLINE       zfXXX1               Open

2        ONLINE  ONLINE       zfXXX2               Open

ora.oralhr.db

1        ONLINE  ONLINE       zfXXX2               Open

ora.scan1.vip

1        ONLINE  ONLINE       zfXXX1

ora.testdgphy.db

1        ONLINE  ONLINE       zfXXX1               Open,Readonly

2        ONLINE  ONLINE       zfXXX2               Open,Readonly

ora.zfXXX1.vip

1        ONLINE  ONLINE       zfXXX1

ora.zfXXX2.vip

1        ONLINE  ONLINE       zfXXX2

[ZFXXX2:root]:/>

二.6.6  启动备库到open read only状态

[ZFXXX1:oracle]:/oracle>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Thu Feb 18 16:16:32 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

SYS@DGPHY1> set line 9999

SYS@DGPHY1> select GROUP#,THREAD#,SEQUENCE#,BYTES,BLOCKSIZE,MEMBERS,STATUS from v$log;

GROUP#    THREAD#  SEQUENCE#      BYTES  BLOCKSIZE    MEMBERS STATUS

---------- ---------- ---------- ---------- ---------- ---------- ----------------

1          1         17   52428800        512          2 CLEARING

2          1         18   52428800        512          2 CURRENT

3          2         13   52428800        512          2 CURRENT

4          2         12   52428800        512          2 CLEARING

SYS@DGPHY1>

SYS@DGPHY1> set line 9999

SYS@DGPHY1> select dbid,name,current_scn,protection_mode,database_role,force_logging,open_mode,switchover_status from gv$database;

DBID NAME      CURRENT_SCN PROTECTION_MODE      DATABASE_ROLE    FOR OPEN_MODE            SWITCHOVER_STATUS

---------- --------- ----------- -------------------- ---------------- --- -------------------- --------------------

2836886746 TESTDG        1182683 MAXIMUM PERFORMANCE  PHYSICAL STANDBY YES READ ONLY            NOT ALLOWED

2836886746 TESTDG        1182683 MAXIMUM PERFORMANCE  PHYSICAL STANDBY YES READ ONLY            NOT ALLOWED

SYS@DGPHY1>

SYS@DGPHY1> select GROUP#,DBID,THREAD#,SEQUENCE#,BYTES,BLOCKSIZE,USED,ARCHIVED,STATUS from v$standby_log;

GROUP# DBID                                        THREAD#  SEQUENCE#      BYTES  BLOCKSIZE       USED ARC STATUS

---------- ---------------------------------------- ---------- ---------- ---------- ---------- ---------- --- ----------

5 2836886746                                        1         18   52428800        512    1556992 YES ACTIVE

6 UNASSIGNED                                        1          0   52428800        512          0 YES UNASSIGNED

7 UNASSIGNED                                        1          0   52428800        512          0 YES UNASSIGNED

8 UNASSIGNED                                        2          0   52428800        512          0 NO  UNASSIGNED

9 2836886746                                        2         13   52428800        512    1239040 YES ACTIVE

10 UNASSIGNED                                        2          0   52428800        512          0 YES UNASSIGNED

6 rows selected.

SYS@DGPHY1>

SYS@DGPHY1>

二.6.7  校验实时同步功能

为了实时查询,启用管理恢复

SYS@DGPHY1>  alter database recover managed standby database using current logfile disconnect;

Database altered.

SYS@DGPHY1> select INST_ID, dbid,name,DB_UNIQUE_NAME,current_scn,protection_mode,database_role,force_logging,open_mode,switchover_status from gv$database;

INST_ID       DBID NAME      DB_UNIQUE_NAME  CURRENT_SCN PROTECTION_MODE      DATABASE_ROLE    FOR OPEN_MODE            SWITCHOVER_STATUS

---------- ---------- --------- --------------- ----------- -------------------- ---------------- --- -------------------- --------------------

1 2836886746 TESTDG    TESTDGPHY           1219930 MAXIMUM PERFORMANCE  PHYSICAL STANDBY YES READ ONLY WITH APPLY NOT ALLOWED

2 2836886746 TESTDG    TESTDGPHY           1219930 MAXIMUM PERFORMANCE  PHYSICAL STANDBY YES READ ONLY WITH APPLY NOT ALLOWED

SYS@DGPHY1>

SYS@DGPHY1>

SYS@DGPHY1> col name for a100

SYS@DGPHY1> set linesize 9999  pagesize 9999

SYS@DGPHY1> SELECT dest_id,

2         THREAD#,

3         NAME,

4         sequence#,

5         archived,

6         applied,

7         a.NEXT_CHANGE#

8  FROM   v$archived_log a

9  WHERE  a.sequence# >= 12

10  AND    resetlogs_change# = (SELECT d.RESETLOGS_CHANGE# FROM v$database d)

11  ORDER  BY a.THREAD#,

12            a.sequence#,

13       a.dest_id;

DEST_ID    THREAD# NAME                                SEQUENCE# ARC APPLIED   NEXT_CHANGE#

---------- ---------- ----------------------------------  --------- --- --------- ------------

2          1 /arch/1_13_904043420.dbf        13   YES YES            1206723

2          1 /arch/1_14_904043420.dbf        14   YES YES            1206725

2          1 /arch/1_15_904043420.dbf        15   YES YES            1213882

2          1 /arch/1_16_904043420.dbf        16   YES YES            1214395

2          1 /arch/1_17_904043420.dbf        17   YES YES            1218112

1          2 /arch/2_12_904043420.dbf        12   YES IN-MEMORY      1218115

7 rows selected.

SYS@DGPHY1>

主库切换日志,建表测试:

SYS@DGPRI1> ALTER SYSTEM SWITCH LOGFILE;

System altered.

SYS@DGPRI1> ALTER SYSTEM SWITCH LOGFILE;

System altered.

SYS@DGPRI1> ALTER SYSTEM SWITCH LOGFILE;

System altered.

SYS@DGPRI1>

SYS@DGPRI1> create table lhr.test as select * from user_tables;

Table created.

SYS@DGPRI1> select count(1) from lhr.test;

COUNT(1)

----------

1014

SYS@DGPRI1>

--在备库端查询日志应用情况

SYS@DGPHY1> col name for a100

SYS@DGPHY1> set linesize 9999  pagesize 9999

SYS@DGPHY1> SELECT dest_id,

2         THREAD#,

3         NAME,

4         sequence#,

5         archived,

6         applied,

7         a.NEXT_CHANGE#

8  FROM   v$archived_log a

9  WHERE  a.sequence# >= 12

10  AND    resetlogs_change# = (SELECT d.RESETLOGS_CHANGE# FROM v$database d)

11  ORDER  BY a.THREAD#,

12            a.sequence#,

13       a.dest_id;

DEST_ID    THREAD# NAME                                                      SEQUENCE# ARC APPLIED   NEXT_CHANGE#

---------- ---------- -------------------------------------------------------- ---------- --- --------- ------------

1          1 /arch/1_12_904043420.dbf                                         12 YES YES            1182687

2          1 /arch/1_13_904043420.dbf                                         13 YES YES            1206723

2          1 /arch/1_14_904043420.dbf                                         14 YES YES            1206725

2          1 /arch/1_15_904043420.dbf                                         15 YES YES            1213882

2          1 /arch/1_16_904043420.dbf                                         16 YES YES            1214395

2          1 /arch/1_17_904043420.dbf                                         17 YES YES            1218112

1          1 /arch/1_18_904043420.dbf                                         18 YES YES            1221758

1          1 /arch/1_19_904043420.dbf                                         19 YES YES            1221764

1          1 /arch/1_20_904043420.dbf                                         20 YES YES            1221770

1          2 /arch/2_12_904043420.dbf                                         12 YES YES            1218115

1          2 /arch/2_13_904043420.dbf                                         13 YES IN-MEMORY      1221775

11 rows selected.

SYS@DGPHY1> select count(1) from lhr.test;

COUNT(1)

----------

1014

SYS@DGPHY1>

可以看到数据已经实时同步了,至此,物理备库搭建完成,至于备库的维护操作还有很多内容,参考我的其它blog。

二.7  实验总结

实验过程中需要注意的几项内容:

① 主库修改参数一定要加 sid='*'

② 监听必须配置好

③ 执行duplicate命令的时候,如果是rac库需要添加参数:set instance_number = '1',否则报错:

RMAN-03015: error occurred in stored script Memory Script

RMAN-04014: startup failed: ORA-29760: instance_number parameter not specified

---------------------------------------------------------------------------------------------------------------------

About Me

...........................................................................................................................................................................................

本文作者:小麦苗,只专注于数据库的技术,更注重技术的运用

ITPUB BLOG:http://blog.itpub.net/26736162

本文地址:http://blog.itpub.net/26736162/viewspace-1991449/

本文pdf版:http://yunpan.cn/cdEQedhCs2kFz (提取码:ed9b)

QQ:642808185 若加QQ请注明您所正在读的文章标题

于 2016-02-16 10:00~ 2016-02-19 19:00 在中行完成

<版权所有,文章允许转载,但须以链接方式注明源地址,否则追究法律责任!>

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