Oracle RAC listener and tnsnames file node wise

host file


[oracle@rac2 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

# Public
192.168.2.50 rac1.localdomain rac1
192.168.2.51 rac2.localdomain rac2 rac2

#Private

192.168.7.50 rac1-priv.localdomain rac1-priv
192.168.7.51 rac2-priv.localdomain rac2-priv

#Virtual

192.168.2.53 rac1-vip.localdomain rac1-vip
192.168.2.54 rac2-vip.localdomain rac2-vip





on node one

# Generated by Oracle configuration tools.

LISTENER_RAC1 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.localdomain)(PORT = 1521)(IP = FIRST))
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.50)(PORT = 1521)(IP = FIRST))
)
)

SID_LIST_LISTENER_RAC1 =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(PROGRAM = extproc)
)
)


====

RAC =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.localdomain)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.localdomain)(PORT = 1521))
(LOAD_BALANCE = yes)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = rac.world)
)
)

LISTENERS_RAC =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.localdomain)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.localdomain)(PORT = 1521))
)

RAC2 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.localdomain)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = rac.world)
(INSTANCE_NAME = rac2)
)
)

RAC1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.localdomain)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = rac.world)
(INSTANCE_NAME = rac1)
)
)

EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)


[oracle@rac1 bin]$ ps -ef|grep LIST
oracle 26404 781 0 09:08 pts/3 00:00:00 grep LIST
oracle 30665 1 0 Oct28 ? 00:00:11 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER_RAC1 -inherit


====
on node 2


[oracle@rac2 admin]$ cat listener.ora
# listener.ora.rac2 Network Configuration File: /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora.rac2
# Generated by Oracle configuration tools.

LISTENER_RAC2 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.localdomain)(PORT = 1521)(IP = FIRST))
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.51)(PORT = 1521)(IP = FIRST))
)
)

SID_LIST_LISTENER_RAC2 =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
(PROGRAM = extproc)
)
)

===

[oracle@rac2 admin]$ cat tnsnames.ora
# tnsnames.ora.rac2 Network Configuration File: /u01/app/oracle/product/10.2.0/db_1/network/admin/tnsnames.ora.rac2
# Generated by Oracle configuration tools.

RAC =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.localdomain)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.localdomain)(PORT = 1521))
(LOAD_BALANCE = yes)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = rac.world)
)
)

LISTENERS_RAC =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.localdomain)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.localdomain)(PORT = 1521))
)

RAC2 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.localdomain)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = rac.world)
(INSTANCE_NAME = rac2)
)
)

RAC1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.localdomain)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = rac.world)
(INSTANCE_NAME = rac1)
)
)

EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)



[oracle@rac2 admin]$ ps -ef|grep LIS
oracle 16119 5159 0 09:06 pts/3 00:00:00 grep LIS
oracle 20876 1 0 Oct28 ? 00:00:08 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER_RAC2 -inherit


to start Listener on RAC

[oracle@rac1 bin]$ ps -ef|grep LIST

oracle 26404 781 0 09:08 pts/3 00:00:00 grep LIST
oracle 30665 1 0 Oct28 ? 00:00:11 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER_RAC1 -inherit

[oracle@rac1 bin]$ srvctl stop listener -n rac1 -l LISTENER_RAC1

[oracle@rac1 bin]$ ps -ef|grep LIST
oracle 959 781 0 09:13 pts/3 00:00:00 grep LIST
[oracle@rac1 bin]$ srvctl start listener -n rac1 -l LISTENER_RAC1



lsnrctl status LISTENER_RAC1