Trong bài viết này, chúng tôi sẽ giả sử rằng chúng tôi đã cài đặt phần mềm GoldenGate, nếu chưa, bạn có thể làm theo các bước sau tại đây:

Oracle GoldenGate 19c: Cách cài đặt

Chúng tôi sẽ sao chép schema HR từ source tới target:

SOURCE (PDB):	TARGET (KHÔNG CÓ CDB):
tên máy chủ: racnode1	tên máy chủ: standbyracnode
IP: 192.168.24.1	IP: 192.168.24.3
RDBMS: 19c	RDBMS: 19c
SID: cdb19c1	SID: devdbnoncdb
PDB: CDB19C_PDB	PDB: N/A
ORACLE_HOME: /u01/app/oracle/product/19c/dbhome_1	ORACLE_HOME: /u01/app/oracle/product/19c/db_1
GoldenGate Home: /u01/app/goldengate/19.1.0.0/	GoldenGate Home: /u01/app/goldengate/19.1.0.0/

Xin lưu ý rằng vì chúng tôi đang làm việc với PDB, nên chúng tôi cần sử dụng phần INTERGRATED extract

Dưới đây là các bước để thực hiện hoạt động này:

1:- Initial load/Import dữ liệu vào DB đích (target):

EXPORT Ở SOURCE:
  
  [oracle@RACnode1 ~]$ mkdir /tmp/EXPORT
  [oracle@RACnode1 ~]$ chown oracle:oinstall /tmp/EXPORT
  [oracle@RACnode1 ~]$ 
    
  SQL> alter session set container=CDB19C_PDB;
  Session altered.
  SQL> create or replace directory HR_SYNC  as '/tmp/EXPORT';
  Directory created.
   
  
  [oracle@RACnode1 ~]$ cd /tmp/EXPORT
  [oracle@RACnode1 EXPORT]$ vi expdp_script.sh
  [oracle@RACnode1 EXPORT]$ ls -tlr 
  total 4
  -rw-r--r--. 1 oracle oinstall 236 Oct  1 10:11 expdp_script.sh
  [oracle@RACnode1 EXPORT]$ chmod 744 expdp_script.sh 
  [oracle@RACnode1 EXPORT]$ cat expdp_script.sh
  #!/bin/bash
  
  SYS_PWD=Pas5w0rd
  export ORACLE_HOME=/u01/app/oracle/product/19c/dbhome_1
  nohup $ORACLE_HOME/bin/expdp \"sys/$SYS_PWD@CDB19C_PDB as sysdba\" directory=HR_SYNC dumpfile=HR_%U.dmp logfile=HR_EXPORT.log cluster=NO schemas=HR &
  [oracle@RACnode1 EXPORT]$ 
  
  
  Đảm bảo rằng CDB19C_PDB được khai báo trong tnsnames.ora:
  
  [or acle@RACnode1 EXPORT]$ tnsping cdb19c_pdb  
  ... 
  Use d TNSNAMES adapter to resolve the alias  
  Attempting to contact (DESCRIPTION = (ADDR  ESS = (PROTOCOL = TCP)(HOST = racnode1)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME =  CDB19C_PDB)))  
  OK (10 msec)
  [oracle@RACnode1 EXPORT]$ 
  
  [oracle@RACnode1 EXPORT]$ ./expdp_script.sh 
  
  [oracle@RACnode1 EXPORT]$ tail  HR_EXPORT.log
  . . exported "HR"."JOB_HISTORY"                          7.195 KB      10 rows
  . . exported "HR"."JOBS"                                 7.109 KB      19 rows
  . . exported "HR"."DEPARTMENTS"                          7.125 KB      27 rows
  . . exported "HR"."COUNTRIES"                            6.367 KB      25 rows
  . . exported "HR"."REGIONS"                              5.546 KB       4 rows
  Master table "SYS"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded
  ******************************************************************************
  Dump file set for SYS.SYS_EXPORT_SCHEMA_01 is:
    /tmp/EXPORT/HR_01.dmp
  Job "SYS"."SYS_EXPORT_SCHEMA_01" successfully completed at Fri Oct 1 10:39:48 2021 elapsed 0 00:04:12
  [oracle@RACnode1 EXPORT]$ 
  
IMPORT VÀO TARGET:

  [oracle@standbyracnode ~]$ mkdir /tmp/IMPORT
  [oracle@standbyracnode ~]$ 
  
  [oracle@RACnode1 EXPORT]$ scp -p HR_01.dmp oracle@standbyracnode:/tmp/IMPORT  
  oracle@standbyracnode's password:   
  HR_01.dmp                                                                                                                                                                             100%  716KB  32.3MB/s   00:00    
  [oracle@RACnode1 EXPORT]$ 
  
  SQL> create or replace directory HR_SYNC  as '/tmp/IMPORT';
  Directory created.
  SQL> 
  
  
  [oracle@standbyracnode IMPORT]$ cat import_script.sh 
  #!/bin/bash
  
  SYS_PWD=Pas5w0rd
  export ORACLE_HOME=/u01/app/oracle/product/19c/db_1
  nohup $ORACLE_HOME/bin/impdp \"sys/$SYS_PWD@DEVDB_NONCDB as sysdba\" directory=HR_SYNC dumpfile=HR_%U.dmp logfile=HR_IMPORt.log cluster=NO schemas=HR &
  [oracle@standbyracnode IMPORT]$ 
  
  
  [oracle@standbyracnode IMPORT]$ ./import_script.sh 
  
  [oracle@standbyracnode IMPORT]$ tail HR_IMPORt.log
  Processing object type SCHEMA_EXPORT/PROCEDURE/ALTER_PROCEDURE
  Processing object type SCHEMA_EXPORT/VIEW/VIEW
  Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
  Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
  Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
  Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
  Processing object type SCHEMA_EXPORT/TABLE/TRIGGER
  Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
  Processing object type SCHEMA_EXPORT/STATISTICS/MARKER
  Job "SYS"."SYS_IMPORT_SCHEMA_01" completed with 1 error(s) at Fri Oct 1 13:51:55 2021 elapsed 0 00:02:03
  [oracle@standbyracnode IMPORT]$ 
  
  **ERROR for HR schema already exist, can be ignored

2:- Chuẩn bị SOURCE DB:

Bật supplemental log:

	SQL> ALTER DATABASE FORCE LOGGING;
	Database altered.
	SQL> ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;
	Database altered.
	SQL> ALTER SYSTEM SET enable_goldengate_replication=TRUE SCOPE=BOTH;
	System altered.
	SQL> 
	SQL> alter session set container=CDB19C_PDB;

	Session altered.
	SQL> ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;
	Database altered.
	SQL> 
	

Tạo common user:

	SQL> CREATE USER c##ggadmin IDENTIFIED BY ggadmin
	DEFAULT TABLESPACE users
	QUOTA UNLIMITED ON users;  
	User created.
	SQL> GRANT DBA to c##ggadmin CONTAINER=ALL;
	Grant succeeded.
	SQL>  exec dbms_goldengate_auth.grant_admin_privilege( grantee => 'c##ggadmin',container => 'ALL');
	PL/SQL procedure successfully completed.
	SQL>

3:- Chuẩn bị TARGET DB :

Bật RDBMS để sử dụng GoldenGate:

	SQL>  ALTER SYSTEM SET enable_goldengate_replication=TRUE SCOPE=BOTH;
	System altered.

Tạo common user:
	
	SQL> CREATE USER ggadmin IDENTIFIED BY ggadmin
	DEFAULT TABLESPACE users
	QUOTA UNLIMITED ON users;
	User created.
	SQL> GRANT DBA TO ggadmin;
	Grant succeeded.
	SQL> EXEC dbms_goldengate_auth.grant_admin_privilege('ggadmin');
	PL/SQL procedure successfully completed.
	SQL>

4:- Chuẩn bị GoldenGate ở NGUỒN:

Tạo Manager parameter:

	GGSCI (RACnode1.localdomain) 1> EDIT PARAM mgr


	PORT 7809
	PURGEOLDEXTRACTS ./dirdat/et* , USECHECKPOINTS, MINKEEPHOURS 72
	AUTORESTART ER *, RETRIES 3, WAITMINUTES 5, RESETMINUTES 60
	DOWNREPORTMINUTES 15
	LAGCRITICALSECONDS 10
	LAGINFOMINUTES 0
	LAGREPORTMINUTES 15
	ACCESSRULE, PROG *, IPADDR 192.168.24.3, ALLOW

Tạo credentialstore: 

	GGSCI (RACnode1.localdomain) 5> add credentialstore
	Credential store created.
	GGSCI (RACnode1.localdomain) 6> alter credentialstore add user c##ggadmin@192.168.24.1:1521/cdb19c alias cdb19c
	Password: 
	Credential store altered.
	GGSCI (RACnode1.localdomain) 7> info credentialstore
	Reading from credential store:
	Default domain: OracleGoldenGate
  		Alias: cdb19c
  		Userid: c##ggadmin@192.168.24.1:1521/cdb19c
	GGSCI (RACnode1.localdomain) 8> 
	GGSCI (RACnode1.localdomain) 8> dblogin USERIDALIAS cdb19c
	Successfully logged into database CDB$ROOT.


Cấu hình EXTRACT parameter file:

	GGSCI (RACnode1.localdomain) 2> EDIT PARAM exthr
	
	
	EXTRACT exthr
	SETENV (ORACLE_SID='CDB19C_PDB')
	SETENV (ORACLE_HOME = '/u01/app/oracle/product/19c/dbhome_1')
	DISCARDFILE ./dirrpt/exthr.dsc, APPEND
	EXTTRAIL ./dirdat/et
	--- User login
	USERIDALIAS cdb19c
	--- DDL Parameters
	LOGALLSUPCOLS
	DDL INCLUDE MAPPED
	DDLOPTIONS REPORT
        SOURCECATALOG CDB19C_PDB
	TABLE HR.* ;


Cấu hình EXTRACT PUMP parameter file:
	GSCI (xtivia12) 3> EDIT PARAM ephr
	
	EXTRACT ephr
	RMTHOST 192.168.24.3, MGRPORT 7809
	PASSTHRU
	RMTTRAIL ./dirdat/rt
        SOURCECATALOG CDB19C_PDB
	TABLE HR.* ;


Tạo EXTRACT group, EXTRAIL, PUMP AND RMTTRAIL:

	GGSCI (RACnode1.localdomain) 17> ADD EXTRACT exthr, INTEGRATED TRANLOG, BEGIN NOW
	EXTRACT (Integrated) added.
		GGSCI (RACnode1.localdomain) 18> ADD EXTTRAIL ./dirdat/et, EXTRACT exthr, MEGABYTES 5
	EXTTRAIL added.
		GGSCI (RACnode1.localdomain) 19> ADD RMTTRAIL ./dirdat/rt, EXTRACT exthr, MEGABYTES 5 
		RMTTRAIL added.
	GGSCI (RACnode1.localdomain) 20> ADD EXTRACT ephr, EXTTRAILSOURCE ./dirdat/et
		EXTRACT added.
        GGSCI (RACnode1.localdomain) 21> ADD RMTTRAIL ./dirdat/rt, EXTRACT ephr, MEGABYTES 5 
                RMTTRAIL added.

 	
	GGSCI (RACnode1.localdomain) 22> info all
	
	Program     Status      Group       Lag at Chkpt  Time Since Chkpt
	
	MANAGER     RUNNING                          
	EXTRACT     STOPPED     EPHR        00:00:00      00:00:07    
	EXTRACT     STOPPED     EXTHR       00:00:00      00:00:15    
	
	GGSCI (RACnode1.localdomain) 22> 


Đăng ký EXTRACT trong DB:

	GGSCI (RACnode1.localdomain) 10> dblogin userid c##ggadmin, password ggadmin
	Successfully logged into database CDB$ROOT.
	GGSCI (RACnode1.localdomain as c##ggadmin@cdb19c1/CDB$ROOT) 11> register extract exthr database container (CDB19C_PDB)
	2021-10-01 16:20:35  INFO    OGG-02003  Extract EXTHR successfully registered with database at SCN 2985612.
	GGSCI (RACnode1.localdomain as c##ggadmin@cdb19c1/CDB$ROOT) 12>

5:- Chuẩn bị GoldenGate ở TARGET:

Cấu hình Manager parameter:

	GGSCI (standbyracnode.localdomain) 2> EDIT PARAM mgr
		
	PORT 7809
	PURGEOLDEXTRACTS ./dirdat/rt* , USECHECKPOINTS, MINKEEPHOURS 72
	AUTORESTART ER *, RETRIES 3, WAITMINUTES 5, RESETMINUTES 60
	DOWNREPORTMINUTES 15
	LAGCRITICALSECONDS 10
	LAGINFOMINUTES 0
	LAGREPORTMINUTES 15
	ACCESSRULE, PROG *, IPADDR 192.168.24.3, ALLOW
	ACCESSRULE, PROG *, IPADDR 192.168.24.1, ALLOW 

Tạo credentialstore:
	
	GGSCI (standbyracnode.localdomain) 3> add credentialstore
	Credential store created.
	GGSCI (standbyracnode.localdomain) 5> alter credentialstore add user ggadmin@DEVDBNONCDB alias DEVDBNONCDB
	Password: 
	Credential store altered.
	GGSCI (standbyracnode.localdomain) 5> info credentialstore
	Reading from credential store:
	Default domain: OracleGoldenGate
	  Alias: DEVDBNONCDB
	  Userid: ggadmin@DEVDBNONCDB
	GGSCI (standbyracnode.localdomain) 6> 
	
	GGSCI (standbyracnode.localdomain) 7> dblogin USERIDALIAS DEVDBNONCDB
	Successfully logged into database.

Cấu hình REPLICAT parameter file:

	GGSCI (standbyracnode.localdomain) 2> EDIT PARAM rephr

	REPLICAT rephr
	DISCARDFILE ./dirrpt/rephr.dsc, APPEND
	DBOPTIONS ENABLE_INSTANTIATION_FILTERING
	ASSUMETARGETDEFS
	--- User login
	USERIDALIAS DEVDBNONCDB
	DDL INCLUDE ALL
	DDLOPTIONS REPORT
	MAP CDB19C_PDB.HR.*, TARGET HR.*;


Tạo REPLICAT group và Trail Files:

	GGSCI (standbyracnode.localdomain) 3> dblogin USERIDALIAS DEVDBNONCDB
	Successfully logged into database.
	GGSCI (standbyracnode.localdomain as ggadmin@devdbnoncdb) 4> ADD CHECKPOINTTABLE ggadmin.chktbl
	Successfully created checkpoint table ggadmin.chktbl.
	GGSCI (standbyracnode.localdomain as ggadmin@devdbnoncdb) 5> ADD REPLICAT rephr, INTEGRATED, EXTTRAIL ./dirdat/rt, CHECKPOINTTABLE ggadmin.chktbl
	    REPLICAT (Integrated) added.
        GGSCI (standbyracnode.localdomain as ggadmin@devdbnoncdb) 9> info all

        Program     Status      Group       Lag at Chkpt  Time Since Chkpt

        MANAGER     RUNNING                                           
        REPLICAT    STOPPED     REPHR       00:00:00      00:00:03    

        GGSCI (standbyracnode.localdomain as ggadmin@devdbnoncdb) 10>

6:- BẮT ĐẦU EXTRACT:

Restart Manager (từ tham số đã được sửa ở trên)

	GGSCI (RACnode1.localdomain) 1> stop mgr
	Manager process is required by other GGS processes.
	Are you sure you want to stop it (y/n)?y
	
	Sending STOP request to MANAGER ...
	Request processed.
	Manager stopped.
	GGSCI (RACnode1.localdomain) 2> start mgr
	Manager started.


Start EXTRACT và PUMP:

	GGSCI (RACnode1.localdomain) 3> start extract exthr
	Sending START request to MANAGER ...
	EXTRACT EXTHR starting
	GGSCI (RACnode1.localdomain) 4> start extract ephr
	Sending START request to MANAGER ...
	EXTRACT EPHR starting
	
	
	GGSCI (RACnode1.localdomain) 5> info all
	Program     Status      Group       Lag at Chkpt  Time Since Chkpt
	MANAGER     RUNNING                                           
	EXTRACT     RUNNING     EPHR        00:00:00      00:00:34    
	EXTRACT     RUNNING     EXTHR       00:00:00      00:00:27    
	GGSCI (RACnode1.localdomain) 6>

7:- Bắt đầu REPLICAT:

Restart Manager (từ cấu hình ở trên):

	GGSCI (standbyracnode.localdomain) 1> stop mgr
	Manager process is required by other GGS processes.
	Are you sure you want to stop it (y/n)?y
	Sending STOP request to MANAGER ...
	Request processed.
	Manager stopped.
	GGSCI (standbyracnode.localdomain) 2> start mgr
	Manager started.

Start REPLICAT:

	GGSCI (standbyracnode.localdomain) 3> start replicat REPHR
	Sending START request to MANAGER ...
	REPLICAT REPHR starting
	GGSCI (standbyracnode.localdomain) 4> info all
	Program     Status      Group       Lag at Chkpt  Time Since Chkpt
	MANAGER     RUNNING                                           
	REPLICAT    RUNNING     REPHR       00:00:00      00:00:10    
	GGSCI (standbyracnode.localdomain) 5>

KIỂM TRA:

1:- INSERT:

Source DB prev. State:

	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 cdb19c1
	
	SQL> alter session set container=CDB19C_PDB;
	Session altered.
	SQL> select count(*) from HR.jobs;
	  COUNT(*)
	----------
		19
	SQL> select * from HR.jobs where JOB_TITLE like '%DBA%';
	no rows selected

Target DB prev. State:

	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 devdbnoncdb
	
	SQL> select count(*) from HR.jobs;
	  COUNT(*)
	----------
		19
	SQL> select * from HR.jobs where JOB_TITLE like '%DBA%';
	no rows selected


Insert vào SOURCE DB:

	SQL> show con_name
	CON_NAME
	------------------------------
	CDB19C_PDB
	
	SQL> INSERT INTO HR.jobs
	(JOB_ID, JOB_TITLE, MIN_SALARY, MAX_SALARY )
	VALUES
	('DB_MAN', 'DBA Administrator',40000,70000);  
	
	1 row created.
	
	SQL> commit;
	Commit complete.


REPLICATED ở target DB??

	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 devdbnoncdb

	SQL> select * from HR.jobs where JOB_TITLE like '%DBA%';
	
	JOB_ID	   JOB_TITLE			       MIN_SALARY MAX_SALARY
	---------- ----------------------------------- ---------- ----------
	DB_MAN	   DBA Administrator			    40000      70000

	SQL> select count(*) from HR.jobs;
	  COUNT(*)
	----------
	 	20

2:- DELETE:

Source DB prev. State:


	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 cdb19c1
	
	SQL> alter session set container=CDB19C_PDB;
	Session altered.
	SQL> select count(*) from HR.jobs;
	  COUNT(*)
	----------
			20
	SQL> select * from HR.jobs where JOB_TITLE like '%DBA%';

	JOB_ID	   JOB_TITLE			       MIN_SALARY MAX_SALARY
	---------- ----------------------------------- ---------- ----------
	DB_MAN	   DBA Administrator			    40000      70000


Target DB prev. State:

	SQL> show parameter instance_name
	
	NAME				     TYPE	 VALUE
	------------------------------------ ----------- ------------------------------
	instance_name			     string	 devdbnoncdb
	SQL> select * from HR.jobs where JOB_TITLE like '%DBA%';
	
	JOB_ID	   JOB_TITLE			       MIN_SALARY MAX_SALARY
	---------- ----------------------------------- ---------- ----------
	DB_MAN	   DBA Administrator			    40000      70000
	
	SQL> select count(*) from HR.jobs;
	
	  COUNT(*)
	----------
		20
	
Delete ở Source DB:

	SQL> delete from HR.JOBS where JOB_TITLE like '%DBA%';
	1 row deleted.
	SQL> commit;
	Commit complete.
	SQL> 

REPLICATED on target DB??

	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 devdbnoncdb

	SQL> select * from HR.jobs where JOB_TITLE like '%DBA%';
	no rows selected
	SQL> select count(*) from HR.jobs;

  	COUNT(*)
	----------
	        19

3:- DDL:

Source DB prev. State:

	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 cdb19c1
	
	SQL> alter session set container=CDB19C_PDB;
	Session altered.

	SQL> desc HR.TEST
	ERROR:
	ORA-04043: object HR.TEST does not exist

Target DB prev. State:

	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 devdbnoncdb

	SQL> desc HR.TEST
	ERROR:
	ORA-04043: object HR.TEST does not exist

Tạo table ở Source:

	SQL>  CREATE TABLE HR.TEST
	( test_id            NUMBER PRIMARY KEY,
	  test__name          VARCHAR2(30) );  2    3  
	
	Table created.
	
	SQL> desc HR.TEST
	 Name					   Null?    Type
	 ------------------------- -------- ---------------------
	 TEST_ID				   NOT NULL NUMBER
	 TEST__NAME					        VARCHAR2(30)

REPLICATED ở target DB??

	SQL> show parameter instance_name
	NAME				     TYPE	 VALUE
	------------------------ ------- ----------------------
	instance_name		     string	 devdbnoncdb
	SQL> desc HR.TEST
	 Name					   Null?    Type
	 ------------------------- -------- ---------------------
	 TEST_ID				   NOT NULL NUMBER
	 TEST__NAME					        VARCHAR2(30)

Thế là GoldenGate đã được cấu hình rồi.

Hy vọng hữu ích cho bạn.

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Thứ Ba, 2 tháng 5, 2023

Oracle GoldenGate 19c: Cách cấu hình EXTRACT/REPLICAT Intergrated

KIỂM TRA:

ĐỌC NHIỀU