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RAC11g 新增另一个网卡，DG同步

2016-01-26 11:00 176 查看

步骤如下：

库1，2节点上配置：
/etc/hosts:
## --- Public IP --- ##
10.12x'x'x.x.113 sfpay-ods-db02
10.12x'x.x'x'x'x.111 sfpay-ods-db01

## --- Virtual IP --- ##
10.12x'x'x'x'x.3.114 sfpay-ods2-vip
10.12x'x'x'x'x'x.3.112 sfpay-ods1-vip

## --- Private IP --- ##
172.16.3.113 sfpay-ods2-priv
172.16.3.111 sfpay-ods1-priv

## ---- Scan IP --- ##
10.120.3.115 db.ods.sfp.com

## --- baoshui DG --- ##
10.120.3.161 sfpay-dg01

#by panbo
10.0.58.136 odsdb-pub-db1

## ---- GuanLan DG IP --- ##
172.23.3.111 ods1-dg
172.23.3.113 ods2-dg
172.23.3.112 ods1-dg-vip
172.23.3.114 ods2-dg-vip

变更前，确认2个节点的会话连接数

3. 在数据库RAC2节点使用root执行
/u01/app/11.2.0.4/grid/bin/srvctl add network -k 2 -S 172.23.0.0/255.255.0.0/em2
/u01/app/11.2.0.4/grid/bin/crsctl start res ora.net2.network
#--2 ,表示新增第二张网卡
/u01/app/11.2.0.4/grid/bin/srvctl add vip -n sfpay-ods-db01 -k 2 -A 172.23.3.112/255.255.0.0/em2
/u01/app/11.2.0.4/grid/bin/srvctl add vip -n sfpay-ods-db02 -k 2 -A 172.23.3.114/255.255.0.0/em2

/u01/app/11.2.0.4/grid/bin/srvctl start vip -i ods1-dg-vip
/u01/app/11.2.0.4/grid/bin/srvctl start vip -i ods2-dg-vip

/u01/app/11.2.0.4/grid/bin/crsctl status res -t

检查默认network的network number,红色字体1，一会儿添加监听会用到：

[grid@rac121 admin]$ srvctl config network

[grid@sfpay-tms-db02 ~]

$ srvctl config networkNetwork exists: 1/10.120.3.0/255.255.255.0/eth4, type staticNetwork exists: 2/172.23.0.0/255.255.0.0/eth2, type static    # --为新增第二个网卡监听。

查看srvctl添加监听的语法：

[grid@rac121 admin]$ srvctl add listener -h
Adds a listener configuration to the Oracle Clusterware.

Usage: srvctl add listener [-l <lsnr_name>] [-s] [-p "[TCP:]<port>[, ...][/IPC:<key>][/NMP:<pipe_name>][/TCPS:<s_port>] [/SDP:<port>]"] [-o <oracle_home>] [-k <net_num>]
-l <lsnr_name>           Listener name (default name is LISTENER)  #监听名称
-o <oracle_home>         ORACLE_HOME path (default value is CRS_HOME) #grid的HOME
-k <net_num>             network number (default number is 1)  #最开始查看的网络号
-s                       Skip the checking of ports
-p "[TCP:]<port>[, ...][/IPC:<key>][/NMP:<pipe_name>][/TCPS:<s_port>]  [/SDP:<port>]"   Comma separated tcp ports or listener endpoints #要添加的端口号
-h                       Print usage

添加监听：名称: LISTENER4 端口号：1524

[grid@rac121 ~]$ srvctl add listener -l LISTENER4 -o $ORACLE_HOME -p 1621 -k 2   # srvctl config network 中 的Network exists  网卡（$srvctl config network）。
[grid@rac121 ~]$ srvctl start listener -l LISTENER4

创建完后会在配置文件endpoints_listener.ora和listener.ora中添加记录信息：

[grid@rac121 admin]$ ls
endpoints_listener.ora             listener1206183PM1248.bak  listener.ora             samples     sqlnet1206199AM0038.bak
endpoints_listener.ora.bak.rac121  listener1206199AM0038.bak  listener.ora.bak.rac121  shrept.lst  sqlnet.ora

查看添加的信息：两个文件听红色字体部分

[grid@rac121 admin]$ cat listener.ora
LISTENER4=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER4))))          # line added by Agent
NEW_RACDB_LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=NEW_RACDB_LISTENER))))                # line added by Agent
# listener.ora Network Configuration File: /oradata/oracleapp/11.2.0/grid/network/admin/listener.ora
# Generated by Oracle configuration tools.

[grid@rac121 admin]$ cat endpoints_listener.oraLISTENER4_RAC121=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=rac121-vip)(PORT=1524))(ADDRESS=(PROTOCOL=TCP)(HOST=10.1.252.121)(PORT=1524)(IP=FIRST))))          # line added by Agent
NEW_RACDB_LISTENER_RAC121=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=rac121-vip)(PORT=1523))(ADDRESS=(PROTOCOL=TCP)(HOST=10.1.252.121)(PORT=1523)(IP=FIRST))))         # line added by Agent
RACDB_LISTENER_RAC121=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=rac121-vip)(PORT=1522))(ADDRESS=(PROTOCOL=TCP)(HOST=10.1.252.121)(PORT=1522)(IP=FIRST))))             # line added by Agent
LISTENER_RAC121=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=rac121-vip)(PORT=1521))(ADDRESS=(PROTOCOL=TCP)(HOST=10.1.252.121)(PORT=1521)(IP=FIRST))))           # line added by Agent

到此完成了监听的添加，再添加静态注册信息，vi listener.ora文件,在里面添加如下内容：

SID_LIST_LISTENER4 = #对应的监听名
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = RACDB)
(ORACLE_HOME = /oradata/oracleapp/11.2.0/grid)
(SID_NAME = RACDB1) #节点对应的SID
)
)

重启监听即完成静态注册：

[grid@rac121 admin]$ srvctl stop listener -l LISTENER4
[grid@rac121 admin]$ srvctl start listener -l LISTENER4
[grid@rac121 admin]$ lsnrctl status LISTENER4

LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 19-JUN-2012 15:48:47

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER4)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER4
Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date                19-JUN-2012 15:48:35
Uptime                    0 days 0 hr. 0 min. 11 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /oradata/oracleapp/11.2.0/grid/network/admin/listener.ora
Listener Log File         /oradata/oracleapp/11.2.0/grid/log/diag/tnslsnr/rac121/listener4/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER4)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.1.252.121)(PORT=1524)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.1.252.75)(PORT=1524)))
Services Summary...
Service "RACDB" has 1 instance(s).
Instance "RACDB1", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
[grid@rac121 admin]$

查看所有的监听状态：

grid@rac121 admin]$ srvctl status listener
Listener LISTENER is enabled
Listener LISTENER is running on node(s): rac121,rac122
Listener LISTENER4 is enabled
Listener LISTENER4 is running on node(s): rac121,rac122
Listener NEW_RACDB_LISTENER is enabled
Listener NEW_RACDB_LISTENER is running on node(s): rac121,rac122
Listener RACDB_LISTENER is enabled
Listener RACDB_LISTENER is running on node(s): rac121,rac122

查看各个监听的配置：

[grid@rac121 admin]$ srvctl config listener -a
Name: LISTENER
Network: 1, Owner: grid
Home: <CRS home>
/oradata/oracleapp/11.2.0/grid on node(s) rac122,rac121
End points: TCP:1521
Name: LISTENER4
Network: 1, Owner: grid
Home: <CRS home>
/oradata/oracleapp/11.2.0/grid on node(s) rac122,rac121
End points: TCP:1524
Name: NEW_RACDB_LISTENER
Network: 1, Owner: grid
Home: <CRS home>
/oradata/oracleapp/11.2.0/grid on node(s) rac122,rac121
End points: TCP:1523
Name: RACDB_LISTENER
Network: 1, Owner: grid
Home: <CRS home>
/oradata/oracleapp/11.2.0/grid on node(s) rac122,rac121
End points: TCP:1522

-------- 方法一 ----------------

到此就利用srvctl管理工具完成了添加新监听和静态注册的任务。

以下方法二（图形界面）：

了解到以上信息后可能你对当前11.2 RAC中的listener.ora文件中的监听配置信息不再感到奇怪。

我们可以使用netca图形化工具或者srvctl 命令行工具添加监听配置；如果仅仅是手动在listener.ora中添加记录的话是无法被注册为Cluster Ready Service的服务的，将不会被CRS管理。

方法1：
使用netca和netmgr图形化工具，完成添加监听和静态注册的工作。
1) 以Grid Infrastructure GI用户登录任意节点，并运行netca启动图形界面：

su - grid
(grid)$ export DISPLAY=:0
(grid)$ netca

选择LISTENER Configuration

选择ADD

填入监听名字

选择subnet和availabe protocol ，一般默认即可，除非你有多个public network网段

填入端口号

选择NO

选择要启动的监听名，即方才你创建的监听名
之后选择FINISH退出netca 界面，启动netmgr界面，为监听加入静态注册的信息：

su - grid
(grid)$ export DISPLAY=:0
(grid)$ netmgr

点选方才创建的监听器，选择Database Services菜单

填入Global Database Name和本地实例的SID信息，并确认ORACLE HOME Directory(应是Grid Infrastructure的Home目录)正确后点选Save Network Configuration。

之后使用srvctl 或 crsctl 重启该监听即可生效：

[grid@vrh1 admin]$ crsctl status  res ora.MACLEAN_LISTENER.lsnr
NAME=ora.MACLEAN_LISTENER.lsnr
TYPE=ora.listener.type
TARGET=ONLINE        , ONLINE
STATE=ONLINE on vrh1, ONLINE on vrh2

[grid@vrh1 admin]$ crsctl stop  res ora.MACLEAN_LISTENER.lsnr
CRS-2673: Attempting to stop 'ora.MACLEAN_LISTENER.lsnr' on 'vrh1'
CRS-2673: Attempting to stop 'ora.MACLEAN_LISTENER.lsnr' on 'vrh2'
CRS-2677: Stop of 'ora.MACLEAN_LISTENER.lsnr' on 'vrh1' succeeded
CRS-2677: Stop of 'ora.MACLEAN_LISTENER.lsnr' on 'vrh2' succeeded

[grid@vrh1 admin]$ crsctl start  res ora.MACLEAN_LISTENER.lsnr
CRS-2672: Attempting to start 'ora.MACLEAN_LISTENER.lsnr' on 'vrh2'
CRS-2672: Attempting to start 'ora.MACLEAN_LISTENER.lsnr' on 'vrh1'
CRS-2676: Start of 'ora.MACLEAN_LISTENER.lsnr' on 'vrh1' succeeded
CRS-2676: Start of 'ora.MACLEAN_LISTENER.lsnr' on 'vrh2' succeeded

[grid@vrh1 admin]$ lsnrctl status MACLEAN_LISTENER

LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 27-NOV-2011 11:00:42

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=MACLEAN_LISTENER)))
STATUS of the LISTENER
------------------------
Alias                     MACLEAN_LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date                27-NOV-2011 11:00:11
Uptime                    0 days 0 hr. 0 min. 31 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /g01/11.2.0/grid/network/admin/listener.ora
Listener Log File         /g01/orabase/diag/tnslsnr/vrh1/maclean_listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=MACLEAN_LISTENER)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.161)(PORT=1598)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.162)(PORT=1598)))
Services Summary...
Service "VPROD" has 1 instance(s).
Instance "VPROD1", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

[grid@vrh1 admin]$ srvctl stop listener -l MACLEAN_LISTENER

[grid@vrh1 admin]$ srvctl start listener -l MACLEAN_LISTENER

[grid@vrh1 admin]$ srvctl config listener -l MACLEAN_LISTENER
Name: MACLEAN_LISTENER
Network: 1, Owner: grid
Home:
End points: TCP:1598

[grid@vrh1 admin]$ lsnrctl status MACLEAN_LISTENER

LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 27-NOV-2011 11:01:42

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=MACLEAN_LISTENER)))
STATUS of the LISTENER
------------------------
Alias                     MACLEAN_LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date                27-NOV-2011 11:01:10
Uptime                    0 days 0 hr. 0 min. 31 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /g01/11.2.0/grid/network/admin/listener.ora
Listener Log File         /g01/orabase/diag/tnslsnr/vrh1/maclean_listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=MACLEAN_LISTENER)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.161)(PORT=1598)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.162)(PORT=1598)))
Services Summary...
Service "VPROD" has 1 instance(s).
Instance "VPROD1", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

以上使用netca和netmgr图形界面工具完成了新监听的添加和静态注册工作。

2. 使用srvctl 工具添加监听并手动加入静态注册信息

检查默认network的network number,红色的数字

[grid@vrh1 admin]$ srvctl config network
Network exists: 1/192.168.1.0/255.255.255.0/eth0, type static

srvctl 添加监听的语法如下

[grid@vrh1 admin]$  srvctl add listener -h

Adds a listener configuration to the Oracle Clusterware.

Usage: srvctl add listener [-l <lsnr_name>] [-s] [-p "[TCP:]<port>[, ...][/IPC:<key>]
[/NMP:<pipe_name>][/TCPS:<s_port>] [/SDP:<port>]"] [-o <oracle_home>] [-k <net_num>]

-l <lsnr_name>           Listener name (default name is LISTENER)
-o <oracle_home>         ORACLE_HOME path (default value is CRS_HOME)
-k <net_num>             network number (default number is 1)
-s                       Skip the checking of ports
-p "[TCP:]<port>[, ...][/IPC:<key>][/NMP:<pipe_name>][/TCPS:<s_port>] [/SDP:<port>]"
Comma separated tcp ports or listener endpoints
-h                       Print usage

[grid@vrh1 admin]$  srvctl add listener -l NEW_MACLEAN_LISTENER -o $CRS_HOME -p 1601 -k 1

-k 填入方才获得的network number，-p填入端口号，-l填入监听名，-o 填入GI HOME路径

[grid@vrh1 admin]$ srvctl start listener -l NEW_MACLEAN_LISTENER

srvctl start listener启动新添加的监听后listener.ora和endpoints_listener.ora会出现新的记录:

[grid@vrh1 admin]$ head -1 listener.ora
NEW_MACLEAN_LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=NEW_MACLEAN_LISTENER))))
# line added by Agent

[grid@vrh1 admin]$ head -1 endpoints_listener.ora
NEW_MACLEAN_LISTENER_VRH1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=vrh1-vip)(PORT=1601))
(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.161)(PORT=1601)(IP=FIRST))))
# line added by Agent

以上已经完成了监听的添加，足见使用srvctl管理更为简便。

之后仅需要加入静态注册信息即可,如:

SID_LIST_NEW_MACLEAN_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = VPROD)
(ORACLE_HOME = /g01/11.2.0/grid)
(SID_NAME = VPROD1)
)
)

加入如上信息到listener.ora配置文件中(SID_LIST_($LISTENER_NAME)，并重启监听即完成静态注册：

[grid@vrh1 admin]$ srvctl stop listener -l NEW_MACLEAN_LISTENER

[grid@vrh1 admin]$ srvctl start listener -l NEW_MACLEAN_LISTENER

[grid@vrh1 admin]$ lsnrctl status NEW_MACLEAN_LISTENER

LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 27-NOV-2011 11:21:37

Copyright (c) 1991, 2011, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=NEW_MACLEAN_LISTENER)))
STATUS of the LISTENER
------------------------
Alias                     NEW_MACLEAN_LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date                27-NOV-2011 11:21:25
Uptime                    0 days 0 hr. 0 min. 11 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /g01/11.2.0/grid/network/admin/listener.ora
Listener Log File         /g01/11.2.0/grid/log/diag/tnslsnr/vrh1/new_maclean_listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=NEW_MACLEAN_LISTENER)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.161)(PORT=1601)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.162)(PORT=1601)))
Services Summary...
Service "VPROD" has 1 instance(s).
Instance "VPROD1", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

以上利用srvctl管理工具完成了添加新监听和静态注册的任务。

连接数据库：
以下为新增，连接数据库，在oracle下设置，否然　通过 sqlplus 连接报错，oracle not avialiable 等。

--节点1，2 在tnsnames.ora 新增以下信息。
## -- GanLan DG-DB -- ##
RTMSDB_REMOTE_DG =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rtmsdb1-dg-vip)(PORT = 1621))
(ADDRESS = (PROTOCOL = TCP)(HOST = rtmsdb2-dg-vip)(PORT = 1621))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = rtmsdb)
)
)

RTMSDB1_LOCAL_DG =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rtmsdb1-dg-vip)(PORT = 1621))
)

RTMSDB2_LOCAL_DG =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rtmsdb2-dg-vip)(PORT = 1621))
)

--节点1，2
SQL> show parameter listener

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
listener_networks string
local_listener string (ADDRESS=(PROTOCOL=TCP)(HOST=10.120.3.182)
(PORT=1521))db.rtms.sfp.com:1521
remote_listener string

SQL> alter system set listener_networks='((NAME=network2)(LOCAL_LISTENER=RTMSDB1_LOCAL_DG)(REMOTE_LISTENER=RTMSDB_REMOTE_DG))' sid='rtmsdb1' scope=both;
SQL> alter system set listener_networks='((NAME=network2)(LOCAL_LISTENER=RTMSDB2_LOCAL_DG)(REMOTE_LISTENER=RTMSDB_REMOTE_DG))' sid='rtmsdb2' scope=both;

System altered.

SQL> show parameter listener

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
listener_networks string ((NAME=network2)(LOCAL_LISTENE
R=RTMSDB1_LOCAL_DG)(REMOTE_LIS
TENER=RTMSDB_REMOTE_DG))
local_listener string (ADDRESS=(PROTOCOL=TCP)(HOST=
10.120.3.182)(PORT=1521))
remote_listener string db.rtms.sfp.com:1521

[oracle@sfpay-tms-db02 admin]$ lsnrctl status listener_dg

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 25-JAN-2016 16:09:10

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

TNS-01101: Could not find service name listener_dg

[grid@sfpay-tms-db02 ~]$ lsnrctl status listener_dg

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 25-JAN-2016 16:13:38

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

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_DG)))
STATUS of the LISTENER
------------------------
Alias LISTENER_DG
Version TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date 24-JAN-2016 04:08:52
Uptime 1 days 12 hr. 4 min. 46 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/11.2.0.4/grid/network/admin/listener.ora
Listener Log File /u01/app/grid/diag/tnslsnr/sfpay-tms-db02/listener_dg/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER_DG)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.23.3.184)(PORT=1621)))
Services Summary...
Service "rtmsdb" has 3 instance(s).
Instance "rtmsdb1", status READY, has 1 handler(s) for this service...
Instance "rtmsdb2", status UNKNOWN, has 1 handler(s) for this service...
Instance "rtmsdb2", status READY, has 2 handler(s) for this service...
The command completed successfully

[grid@sfpay-tms-db02 ~]$ exit
logout
[oracle@sfpay-tms-db02 ~]$ sqlplus limin/xxxxxxxx@RTMSDB_REMOTE_DG

SQL*Plus: Release 11.2.0.4.0 Production on Mon Jan 25 16:14:16 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

SQL> SHOW USER
USER is "LIMIN"

接下来，对应DG搭建，请参考博客 DG搭建一节。
注册standby数据库为restart 数据库：

su - oracle

$ srvctl add database -d db_unique_name -o $ORACLE_HOME -p '+data/db_unique_name/spfile<db_unique_name>.ora '

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