环境描述：两节点10G RAC环境，节点2宕机。此时客户端通过原节点2 VIP地址无法连接至数据库。客户端较多修改不便需要在服务器上进行修改。
1.检查节点1监听状态、/etc/hosts 、IP信息
[oracle@rac1 admin]$ ifconfigeth0 Link encap:Ethernet HWaddr 08:00:27:93:AD:F2
inet addr:192.168.57.219 Bcast:192.168.57.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:112453 errors:0 dropped:0 overruns:0 frame:0
TX packets:2496 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:68881461 (65.6 MiB) TX bytes:332010 (324.2 KiB)
eth0:1 Link encap:Ethernet HWaddr 08:00:27:93:AD:F2
inet addr:192.168.57.221 Bcast:192.168.57.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
eth0:2 Link encap:Ethernet HWaddr 08:00:27:93:AD:F2
inet addr:192.168.57.222 Bcast:192.168.57.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
eth1 Link encap:Ethernet HWaddr 08:00:27:33:81:45
inet addr:192.168.58.1 Bcast:192.168.58.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1750 errors:0 dropped:0 overruns:0 frame:0
TX packets:150571 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:150427 (146.9 KiB) TX bytes:130002468 (123.9 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:82328 errors:0 dropped:0 overruns:0 frame:0
TX packets:82328 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:13965995 (13.3 MiB) TX bytes:13965995 (13.3 MiB)
[oracle@rac1 admin]$ cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
192.168.57.219 rac1.bys.com rac1
192.168.57.220 rac2.bys.com rac2
192.168.57.221 rac1-vip
192.168.57.222 rac2-vip
192.168.58.1 rac1-priv
192.168.58.2 rac2-priv
[oracle@rac1 admin]$ lsnrctl status LISTENER_RAC1
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 09-APR-2014 23:22:19
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rac1-vip)(PORT=1521)(IP=FIRST)))
STATUS of the LISTENER
------------------------
Alias LISTENER_RAC1
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 09-APR-2014 23:19:51
Uptime 0 days 0 hr. 2 min. 27 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/product/dbhome_1/network/log/listener_rac1.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.57.221)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.57.219)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
Services Summary...
Service "+ASM" has 1 instance(s).
Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "RAC" has 1 instance(s).
Instance "RAC1", status READY, has 2 handler(s) for this service...
Service "RAC_XPT" has 1 instance(s).
Instance "RAC1", status READY, has 2 handler(s) for this service...
The command completed successfully
[oracle@rac1 admin]$ crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora....C1.inst application ONLINE ONLINE rac1
ora....C2.inst application ONLINE OFFLINE
ora.RAC.db application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE OFFLINE
ora....C2.lsnr application ONLINE OFFLINE
ora.rac2.gsd application ONLINE OFFLINE
ora.rac2.ons application ONLINE OFFLINE
ora.rac2.vip application ONLINE ONLINE rac1
################################################################
2.修改节点1的监听配置文件listener.ora----修改前要备份下
原监听配置文件：[oracle@rac1 admin]$ cat listener.orabak
# listener.ora.rac1 Network Configuration File: /u01/app/oracle/product/dbhome_1/network/admin/listener.ora.rac1
# Generated by Oracle configuration tools.
LISTENER_RAC1 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.57.219)(PORT = 1521)(IP = FIRST))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
)
######修改后：--修改的内容就是把(IP = FIRST)去掉，这样监听会运行在主机的所有IP上（这里是192.168.57.219、两个VIP：192.168.57.221、192.168.57.222）。
[oracle@rac1 admin]$ cat listener.ora
# listener.ora.rac1 Network Configuration File: /u01/app/oracle/product/dbhome_1/network/admin/listener.ora.rac1
# Generated by Oracle configuration tools.
LISTENER_RAC1 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1)(PORT = 1521))
)
(ADDRESS_LIST =
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
)
################
查看tnsnames.ora文件：
[oracle@rac1 admin]$ cat tnsnames.ora
RAC2 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = RAC)
)
)
RAC1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = RAC)
)
)
查看监听状态：
lsnrctl stop LISTENER_RAC1
lsnrctl start LISTENER_RAC1
[oracle@rac1 admin]$ lsnrctl status LISTENER_RAC1
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 09-APR-2014 22:48:11
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rac1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER_RAC1
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 09-APR-2014 22:46:50
Uptime 0 days 0 hr. 1 min. 20 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/product/dbhome_1/network/log/listener_rac1.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=rac1.bys.com)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC)))
Services Summary...
Service "+ASM" has 1 instance(s).
Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "RAC" has 1 instance(s).
Instance "RAC1", status READY, has 2 handler(s) for this service...
Service "RAC_XPT" has 1 instance(s).
Instance "RAC1", status READY, has 2 handler(s) for this service...
The command completed successfully
#连接测试
[oracle@rac1 admin]$ sqlplus system/system@rac2SQL*Plus: Release 10.2.0.1.0 - Production on Wed Apr 9 22:43:32 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
SQL> select instance_name from v$instance;
INSTANCE_NAME
----------------
RAC1
SQL> exit
使用192.168.57.219、192.168.57.221、192.168.57.222、192.168.58.1这四个IP均可以登陆：--也验证了listener.ora中(HOST = 主机名会运行在主机的所有IP上。
[oracle@rac1 admin]$ sqlplus system/system@192.168.57.221:1521/rac
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Apr 9 22:53:30 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
[oracle@rac1 admin]$ sqlplus system/system@192.168.57.222:1521/rac
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Apr 9 22:53:37 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
SQL> ei^H
SP2-0042: unknown command "e" - rest of line ignored.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
[oracle@rac1 admin]$ sqlplus system/system@192.168.57.219:1521/rac
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Apr 9 22:53:46 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
SQL>
[oracle@rac1 admin]$ sqlplus system/system@192.168.58.1:1521/rac
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Apr 9 22:55:31 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
SQL> exit
10G RAC节点2宕机通过修改listener.ora实现客户端通过节点2VIP连接到数据库,布布扣,bubuko.com