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1. hosts 파일 편집

모든 서버의 /etc/hosts 파일에 IP와 호스트명 정보 입력
[primary IP] [primary 호스트명]
[standby IP] [standby 호스트명]
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

10.0.1.71   seoul
10.0.5.71   seoul_dg
10.0.1.72   busan
10.0.5.72   busan_dg


실제 운영 환경에서는 업무에 부담을 줄이기 위해 별도의 DG 전용 망을 사용하는 것을 권장합니다.

2. Primary  네트워크 설정

A) listener.ora 파일 작성

primary 노드 listener.ora 파일에 data guard에서 사용할 리스너 정보 추가
SID_LIST_[리스너명] =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = [primary 글로벌 DB명])
      (ORACLE_HOME = [ORACLE_HOME 경로])
      (SID_NAME = [인스턴스명])
    )
    (SID_DESC =
      (GLOBAL_DBNAME = [primary 글로벌 DB명]_DGB)
      (ORACLE_HOME = [ORACLE_HOME 경로])
      (SID_NAME = [인스턴스명])
    )
    (SID_DESC =
      (GLOBAL_DBNAME = [primary 글로벌 DB명]_DGMGRL)
      (ORACLE_HOME = [ORACLE_HOME 경로])
      (SID_NAME = [인스턴스명])
    )
  )
 
[리스너명] =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [primary 호스트명 또는 IP])(PORT = [리스너 포트 번호]))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC[리스너 포트 번호]))
    )
  )
 
ADR_BASE_[리스너명] = [리스너 로그 경로]
# listener.ora Network Configuration File: /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.

ADR_BASE_LISTENER_DG = /u01/app/oracle
ADR_BASE_LISTENER_ORCL = /u01/app/oracle

LISTENER_DG =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = seoul_dg)(PORT = 1521))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

SID_LIST_LISTENER_DG =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = orcl)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = orcl_DGB)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = orcl_DGMGRL)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
  )

LISTENER_ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = seoul)(PORT = 1525))
  )

SID_LIST_LISTENER_ORCL =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = orcl)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
  )


Primary 노드에 Static 리스너 설정을 추가합니다.

B) tnsnames.ora 파일 작성

primary 노드 tnsnames.ora 파일에 data guard에서 사용할 접속 정보 추가
[primary 네트워크 서비스명] =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [primary 호스트명 또는 IP])(PORT = [리스너 포트 번호]))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = [primary 서비스명]))
    )
  )

[standby 네트워크 서비스명] =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [standby 호스트명 또는 IP])(PORT = [리스너 포트 번호]))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = [standby 서비스명])
    )
  )
# tnsnames.ora Network Configuration File: /u01/app/oracle/product/19c/db_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

SEOUL_SYN =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = seoul_dg)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

BUSAN_SYN =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = busan_dg)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl_stby)
    )
  )

ORCL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = seoul)(PORT = 1525))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl)
    )
  )



C) Primary 리스너 기동 및 체크

리스너 기동 및 체크
lsnrctl start [리스너명]
tnsping [primary 네트워크 서비스명]
[oracle@orcl ~]$ lsnrctl start LISTENER_DG

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 13-FEB-2024 14:10:59

Copyright (c) 1991, 2021, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/19c/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 19.0.0.0.0 - Production
System parameter file is /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/seoul/listener_dg/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=seoul_dg)(PORT=1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=seoul_dg)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_DG
Version                   TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date                13-FEB-2024 14:10:59
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/seoul/listener_dg/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=seoul_dg)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Services Summary...
Service "orcl" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl_DGB" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl_DGMGRL" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

[oracle@orcl ~]$ lsnrctl start LISTENER_ORCL

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 13-FEB-2024 14:11:16

Copyright (c) 1991, 2021, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/19c/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 19.0.0.0.0 - Production
System parameter file is /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/seoul/listener_orcl/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=seoul)(PORT=1525)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=seoul)(PORT=1525)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_ORCL
Version                   TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date                13-FEB-2024 14:11:16
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/seoul/listener_orcl/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=seoul)(PORT=1525)))
Services Summary...
Service "orcl" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully


[oracle@orcl ~]$ ps -ef | grep tns
root          27       2  0 14:06 ?        00:00:00 [netns]
oracle      1306       1  0 14:10 ?        00:00:00 /u01/app/oracle/product/19c/db_1/bin/tnslsnr LISTENER_DG -inherit
oracle      1311       1  0 14:11 ?        00:00:00 /u01/app/oracle/product/19c/db_1/bin/tnslsnr LISTENER_ORCL -inherit
oracle      1314    1273  0 14:11 pts/0    00:00:00 grep --color=auto tns

[oracle@orcl ~]$ tnsping SEOUL_SYN

TNS Ping Utility for Linux: Version 19.0.0.0.0 - Production on 13-FEB-2024 14:12:52

Copyright (c) 1997, 2021, Oracle.  All rights reserved.

Used parameter files:


Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = seoul_dg)(PORT = 1521))) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl)))
OK (0 msec)



3. Standby 네트워크 설정

A) listener.ora 파일 작성

standby 노드 listener.ora 파일에 data guard에서 사용할 리스너 정보 추가
SID_LIST_[리스너명] =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = [standby 글로벌 DB명])
      (ORACLE_HOME = [ORACLE_HOME 경로])
      (SID_NAME = [인스턴스명])
    )
    (SID_DESC =
      (GLOBAL_DBNAME = [standby 글로벌 DB명]_DGB)
      (ORACLE_HOME = [ORACLE_HOME 경로])
      (SID_NAME = [인스턴스명])
    )
    (SID_DESC =
      (GLOBAL_DBNAME = [standby 글로벌 DB명]_DGMGRL)
      (ORACLE_HOME = [ORACLE_HOME 경로])
      (SID_NAME = [인스턴스명])
    )
  )
 
[리스너명] =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [standby 호스트명 또는 IP])(PORT = [리스너 포트 번호]))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC[리스너 포트 번호]))
    )
  )
 
ADR_BASE_[리스너명] = [리스너 로그 경로]
# listener.ora Network Configuration File: /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.

ADR_BASE_LISTENER_DG = /u01/app/oracle
ADR_BASE_LISTENER_ORCL = /u01/app/oracle

LISTENER_DG =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = busan_dg)(PORT = 1521))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

SID_LIST_LISTENER_DG =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = orcl_stby)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = orcl_stby_DGB)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = orcl_stby_DGMGRL)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
  )

LISTENER_ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = busan)(PORT = 1525))
  )

SID_LIST_LISTENER_ORCL =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = orcl_stby)
      (ORACLE_HOME = /u01/app/oracle/product/19c/db_1)
      (SID_NAME = orcl)
    )
  )



B) tnsnames.ora 파일 작성

standby 노드 tnsnames.ora 파일에 data guard에서 사용할 접속 정보 추가
[standby 네트워크 서비스명] =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [standby 호스트명 또는 IP])(PORT = [리스너 포트 번호]))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = [standby 서비스명])
    )
  )

[primary 네트워크 서비스명] =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [primary 호스트명 또는 IP])(PORT = [리스너 포트 번호]))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = [primary 서비스명]))
    )
  )
# tnsnames.ora Network Configuration File: /u01/app/oracle/product/19c/db_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

BUSAN_SYN =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = busan_dg)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl_stby)
    )
  )

SEOUL_SYN =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = seoul_dg)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

ORCL_STBY =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = busan)(PORT = 1525))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl_stby)
    )
  )



C) Standby 리스너 기동 및 체크

리스너 기동 및 체크
lsnrctl start [리스너명]
tnsping [primary 네트워크 서비스명]
[oracle@orcl ~]$ lsnrctl start LISTENER_DG

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 13-FEB-2024 14:12:19

Copyright (c) 1991, 2021, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/19c/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 19.0.0.0.0 - Production
System parameter file is /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/busan/listener_dg/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=busan_dg)(PORT=1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=busan_dg)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_DG
Version                   TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date                13-FEB-2024 14:12:19
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/busan/listener_dg/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=busan_dg)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Services Summary...
Service "orcl_stby" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl_stby_DGB" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl_stby_DGMGRL" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

[oracle@orcl ~]$ lsnrctl start LISTENER_ORCL

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 13-FEB-2024 14:12:25

Copyright (c) 1991, 2021, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/19c/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 19.0.0.0.0 - Production
System parameter file is /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/busan/listener_orcl/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=busan)(PORT=1525)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=busan)(PORT=1525)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_ORCL
Version                   TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date                13-FEB-2024 14:12:25
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/19c/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/busan/listener_orcl/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=busan)(PORT=1525)))
Services Summary...
Service "orcl" has 1 instance(s).
  Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully


[oracle@orcl ~]$ ps -ef | grep tns
root          27       2  0 14:07 ?        00:00:00 [netns]
oracle      1309       1  0 14:12 ?        00:00:00 /u01/app/oracle/product/19c/db_1/bin/tnslsnr LISTENER_DG -inherit
oracle      1313       1  0 14:12 ?        00:00:00 /u01/app/oracle/product/19c/db_1/bin/tnslsnr LISTENER_ORCL -inherit
oracle      1316    1276  0 14:12 pts/0    00:00:00 grep --color=auto tns

[oracle@orcl ~]$ tnsping SEOUL_SYN

TNS Ping Utility for Linux: Version 19.0.0.0.0 - Production on 13-FEB-2024 14:12:58

Copyright (c) 1997, 2021, Oracle.  All rights reserved.

Used parameter files:


Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = seoul_dg)(PORT = 1521))) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl)))
OK (10 msec)



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