SUSE 11 + Oracle 11g ADG修改主库IP全流程


一、描述
数据库版本11g,单实例ADG.
操作系统版本为SUSE 11 SP3.
主库IP：192.168.1.11
备库IP：192.168.1.12

二、需求
主库需要修改IP地址，保证ADG环境正常运行。
主库IP 改为：192.168.1.10，备库IP不变。

三、操作步骤

1、检查主备库当前是否正常运行
[email protected]:~> dgmgrl /
DGMGRL for Linux: Version 11.2.0.1.0 - 64bit Production

Copyright (c) 2000, 2009, Oracle. All rights reserved.

Welcome to DGMGRL, type "help" for information.
Connected.
DGMGRL> show configuration;

Configuration - dg_broker

Protection Mode: MaxPerformance
Databases:
mmpt - Primary database
mmptdg - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:
SUCCESS

DGMGRL>

2、关闭主、备库
lsnrctl stop listener
shutdown immediate;

3、修改操作系统IP地址
mmpt-SRJ:/etc/sysconfig/network # ls
config dhcp if-down.d if-up.d ifcfg-eth0 ifcfg-lo ifcfg.template ifroute-lo providers scripts
mmpt-SRJ:/etc/sysconfig/network # vi ifcfg-eth0
BOOTPROTO=‘static‘
BROADCAST=‘‘
ETHTOOL_OPTIONS=‘‘
IPADDR=‘192.168.1.10/24‘
MTU=‘‘
NAME=‘82540EM Gigabit Ethernet Controller‘
NETWORK=‘‘
REMOTE_IPADDR=‘‘
STARTMODE=‘auto‘
USERCONTROL=‘no‘
~
~
"ifcfg-eth0" 10L, 188C written

mmpt-SRJ:/etc/sysconfig/network # /etc/init.d/network restart
Shutting down network interfaces:
eth0 device: Intel Corporation 82540EM Gigabit Ethernet Co done
.............重新使用新IP地址连接...................

4、主库修改监听文件listener.ora
[email protected]:/fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin> vi listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = mmpt)
(ORACLE_HOME = /fantlam/oracle/app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = mmpt)
)
)

LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.10)(PORT = 1521))

4、主库修改监听文件tnsnames.ora
[email protected]:/fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin> vi tnsnames.ora
# tnsnames.ora Network Configuration File: /fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

MMPT =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.10)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = mmpt)
)
)

mmptdg =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.12)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = mmptdg)
)
)

4、主库修改hosts文件
mmpt-SRJ:~ # vi /etc/hosts
#
# hosts This file describes a number of hostname-to-address
# mappings for the TCP/IP subsystem. It is mostly
# used at boot time, when no name servers are running.
# On small systems, this file can be used instead of a
# "named" name server.
# Syntax:
#
# IP-Address Full-Qualified-Hostname Short-Hostname
#

127.0.0.1 localhost

# special IPv6 addresses
::1 localhost ipv6-localhost ipv6-loopback

fe00::0 ipv6-localnet

ff00::0 ipv6-mcastprefix
ff02::1 ipv6-allnodes
ff02::2 ipv6-allrouters
ff02::3 ipv6-allhosts
#192.168.1.11 suse11.site suse11
192.168.1.10 mmpt-SRJ mmpt-SRJ
192.168.1.12 mmpt-SRJ-dg mmpt-SRJ-dg

5、备库不需要修改listener.ora
[email protected]:/fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin> cat listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = mmptdg)
(ORACLE_HOME = /fantlam/oracle/app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = mmptdg)
)
)

LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.12)(PORT = 1521))
)

6、备库修改监听文件tnsnames.ora
[email protected]:/fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin> vi tnsnames.ora
# tnsnames.ora Network Configuration File: /fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

MMPT =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.10)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = mmpt)
)
)

mmptdg =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.12)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = mmpt-SRJ-dg)
)
)

"tnsnames.ora" 21L, 529C written

7、备库修改hosts文件
mmpt-SRJ-dg:~ # vi /etc/hosts
#
# hosts This file describes a number of hostname-to-address
# mappings for the TCP/IP subsystem. It is mostly
# used at boot time, when no name servers are running.
# On small systems, this file can be used instead of a
# "named" name server.
# Syntax:
#
# IP-Address Full-Qualified-Hostname Short-Hostname
#

127.0.0.1 localhost

# special IPv6 addresses
::1 localhost ipv6-localhost ipv6-loopback

fe00::0 ipv6-localnet

ff00::0 ipv6-mcastprefix
ff02::1 ipv6-allnodes
ff02::2 ipv6-allrouters
ff02::3 ipv6-allhosts
192.168.1.12 mmpt-SRJ-dg mmpt-SRJ-dg
192.168.1.10 mmpt-SRJ mmpt-SRJ
~
"/etc/hosts" 24L, 721C written

8、启动主备库监听，测试
lsnrctl start listener
tnsping mmpt
tnsping mmpt-dg

输出如下：

[email protected]:~> lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-MAY-2018 16:31:16

Copyright (c) 1991, 2009, Oracle. All rights reserved.

Starting /fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.1.0 - Production
System parameter file is /fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Log messages written to /fantlam/oracle/app/oracle/diag/tnslsnr/mmpt-SRJ/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.10)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.10)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-MAY-2018 16:31:16
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /fantlam/oracle/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /fantlam/oracle/app/oracle/diag/tnslsnr/mmpt-SRJ/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.10)(PORT=1521)))
Services Summary...
Service "mmpt" has 1 instance(s).
Instance "mmpt", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
[email protected]:~> tnsping mmpt

TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 17-MAY-2018 16:31:26

Copyright (c) 1997, 2009, Oracle. All rights reserved.

Used parameter files:

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.10)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = mmpt)))
OK (0 msec)
[email protected]:~> tnsping mmptdg

TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 17-MAY-2018 16:31:31

Copyright (c) 1997, 2009, Oracle. All rights reserved.

Used parameter files:

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.12)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = mmptdg)))
OK (0 msec)
[email protected]:~>

8、启动主备库
先启动备库，再启动主库
[email protected]:~> sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Thu May 17 16:32:42 2018

Copyright (c) 1982, 2009, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORACLE instance started.

Total System Global Area 784998400 bytes
Fixed Size 2217464 bytes
Variable Size 473958920 bytes
Database Buffers 306184192 bytes
Redo Buffers 2637824 bytes
Database mounted.
Database opened.
SQL>

9、验证ADG
mmpt-SRJ-dg:~ # su - oracle
[email protected]:~> dgmgrl /
DGMGRL for Linux: Version 11.2.0.1.0 - 64bit Production

Copyright (c) 2000, 2009, Oracle. All rights reserved.

Welcome to DGMGRL, type "help" for information.
Connected.
DGMGRL> show configuration;

Configuration - dg_broker

Protection Mode: MaxPerformance
Databases:
mmpt - Primary database
mmptdg - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:
SUCCESS

DGMGRL>

10、原主库修改
edit database mmpt set property StaticConnectIdentifier = ‘(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.10)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=mmpt)(INSTANCE_NAME=mmpt)(SERVER=DEDICATED)))‘;

11、切换测试
[email protected]:~> dgmgrl /
DGMGRL for Linux: Version 11.2.0.1.0 - 64bit Production

Copyright (c) 2000, 2009, Oracle. All rights reserved.

Welcome to DGMGRL, type "help" for information.
Connected.
DGMGRL> show configuration;

Configuration - dg_broker

Protection Mode: MaxPerformance
Databases:
mmptdg - Primary database
mmpt - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:
SUCCESS

DGMGRL> connect sys/[email protected]
Connected.
DGMGRL> switchover to mmpt;
Performing switchover NOW, please wait...
New primary database "mmpt" is opening...
Operation requires shutdown of instance "mmptdg" on database "mmptdg"
Shutting down instance "mmptdg"...
ORA-01109: database not open

Database dismounted.
ORACLE instance shut down.
Operation requires startup of instance "mmptdg" on database "mmptdg"
Starting instance "mmptdg"...
ORACLE instance started.
Database mounted.
Database opened.
Switchover succeeded, new primary is "mmpt"
DGMGRL>

原文地址：http://blog.51cto.com/roidba/2117581

时间： 2024-08-28 00:51:25

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