Step 1: Start the GGSCI on Source and Target

Source Target

Oracle GoldenGate Command Interpreter for Sybase
Version 12.1.2.0.0 17185003 OGGCORE_12.1.2.0.0_PLATFORMS_130924.1316
Linux, x86, 64bit (optimized), Sybase 16

Oracle GoldenGate Command Interpreter for Oracle
Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230_FBO
Linux, x86, 64bit  oracle 11g

Tip: Should I use the same version of Oracle GoldenGate on the Source and Target?
Yes, it is recommended to use the same version on both the source and target. However, If the Oracle GoldenGate versions on the source and target database are different, it is a good practice to use the RELEASE option of the EXTFILE/RMTFILE and EXTTRAIL/RMTTRAIL parameter, especially if you have a lower version of Oracle GoldenGate on the target.

Example: EXTFILE  ./dirdat/em, FORMAT RELEASE 11.2

1. Use a defgen paramfile with NOEXTATTR option, or

2. Generate definition file with the same OGG version as the OGG target site version.

$ ./defgen paramfile ./dirprm/defgen.prm reportfile ./dirrpt/defgen.31Jul2013.rptNOEXTATTR

We then need to modify and check the Oracle GoldenGate Manager parameter file to prepare the replication. The following table shows the Oracle GoldenGate Manager setup on the source and target system:

Source Target

export DSQUERY=ASE1
GGSCI> edit param mgr

port 15021
purgeoldextracts ./dirdat/em*, usecheckpoints, minkeephours 2

GGSCI> start mgr
GGSCI> info mgr

GGSCI> edit param mgr

port 15021
dynamicportlist 15011-15020
dynamicportreassigndelay 5

GGSCI> start mgr
GGSCI> info mgr 

Step 2: Set up the Source and Target Database

创建city表

Source (Sybase ASE 16) Target (Oracle Database 11.2.0.1)

isql -Uogguser -Pogguser -SASE1
>use pubs2
>go

create table city (id int, name varchar(10)
go

insert into city values (1,'New York')
insert into city values (2,'Boston')
insert into city values (3,'Dallas')
insert into city values (4,'Beijing')
go

> select count(1) from city
> go

connect swat/swat
create table city (id int, name varchar2(10);

insert into city values (1,'New York');
insert into city values (2,'Boston');
insert into city values (3,'Dallas');
insert into city values (4,'Beijing');

> select count(1) from city;

Step 3: Set up the Secondary Truncation Point in Sybase Transaction Log

When using Oracle GoldenGate for Sybase, you need to setup the secondary truncation point.This is because Oracle GoldenGate uses the secondary truncation point to identify data that remains to be processed.

To set up the secondary truncation point, you need to login Sybase database with a user who hassa_role privilege and run the “dbcc settrunc(‘ltm’,valid)” command. The detailed steps are shown as follows:

Source

Shell> isql -Uogguser -Pogguser -SASE1

1> use pubs2

2> go

1> dbcc settrunc('ltm', 'valid')

2> go

ltm_truncpage ltm_trunc_state db_rep_stat gen_id dbid dbname lti_version
------------- --------------- ----------- ----------- ------ ------------ -----------
524307 1 1 0 5 sydatabase 0

Step 4: Prepare the Source Database and Target Database

Connect to the source DB and add trandata. In addition, confirm that Oracle GoldenGate user can access on the target database shown as follows:

Source Target

GGSCI >dblogin sourcedb pubs2@ASE1 userid ogguser password ogguser

GGSCI > list table dbo.city

GGSCI > info trandata dbo.city

Transaction logging disabled for table dbo.city

GGSCI > add trandata dbo.city

Transaction logging enabled for table suser.regions.

GGSCI > dblogin userid swat, password swat

Successfully logged into database.

GGSCI > list table swat.city

Why I get the "ERROR: Cannot use database syd_database. error, no additional information available." error?

Answer: The problem is the parsing issue in Oracle GoldenGate 11.2.1 version if the database has special characters such as “_” in the database and schema name. The current solution is to remove the special characters.

Because we are working on heterogeneous database replication, you have to create the database metadata definition file on the source system and copy the generated definition file to the target.

Source Target

emaster.prm:

extract emaster

exttrail ./dirdat/em,FORMAT RELEASE 11.2

sourcedb pubs2@ASE1 userid ogguser password ogguser

statoptions resetreportstats

report at 00:01

reportcount every 60 seconds, rate

table dbo.city;     

rmaster.prm:

replicat rmaster

userid swat, password swat

sourcedefs ./dirout/city.def

discardfile ./dirrpt/rmaster.dsc, purge

map dbo.city, target swat.city;

Adding the Extract:

GGSCI> add extract emaster, tranlog, begin now

GGSCI> add exttrail ./dirdat/em, extract emaster, megabytes 50 

Adding the Replicat:

GGSCI >edit param ./GLOBALS

GGSCHEMA goldengate

CHECKPOINTTABLE goldengate.checkpoint

GGSCI>ADD CHECKPOINTTABLE goldengate.checkpointtable

GGSCI>add replicat rmaster, exttrail ./dirdat/pm

pmaster.prm:

extract pmaster

rmthost 192.168.137.11, mgrport 15021, compress, timeout 30

rmttrail ./dirdat/pm

passthru

table dbo.city;

Adding the Pump:

GGSCI > add extract pmaster, exttrailsource ./dirdat/em

EXTRACT added.

GGSCI > add rmttrail ./dirdat/pm, extract pmaster, megabytes 50

RMTTRAIL added.

Insert a New Record in Sybase

1>  Insert into regions values(5,'Antarctica')

2> go

(1 row affected)

SQL> select * from regions;

REGION_ID REGION_NAME

---- ----------------------

         1 Europe

         2 Americas

         3 Asia

         4 Middle East and Africa

         5 Antarctica

Delete a Record in Sybase

1> delete from regions where region_id=5

2> go

(1 row affected)

SQL> select * from regions;

REGION_ID REGION_NAME

---- ----------------------

         1 Europe

         2 Americas

        3 Asia

         4 Middle East and Africa

Now, we have completed the basic setups of a one-way replication from Sybase ASE database to Oracle Database.Feel free to let me know if you have any questions or comments on the tips I provided above.

Installing Oracle GoldenGate for Sybase:
Step 1: Download Oracle GoldenGate for Sybase
Step 2: Unzip the Oracle GoldenGate zip File.

Unzip the downloaded file with the following commands:

unzip V32422-01.zip
tar xvf ggs_Linux_x86_sybase15_5_32bit.tar

Check the shared library path:

env |grep LD_LIBRARY_PATH
LD_LIBRARY_PATH=/home/sybase/ASE-15_0/lib:/home/sybase/DataAccess/ODBC/lib:
/home/sybase/OCS-15_0/lib:/home/sybase/OCS-15_0/lib3p:/home/sybase/ASE-15_0/lib:
/home/sybase/DataAccess/ODBC/lib:/home/sybase/OCS-15_0/lib:
/home/sybase/OCS-15_0/lib3p:

Add the OGG installation path to the path (PATH) and shared library path (LD_LIBRARY_PATH) environment variables:

export PATH=/home/ogg_for_sybase:$PATH
export LD_LIBRARY_PATH=/home/ogg_for_sybase:$LD_LIBRARY_PATH
Note:
LD_LIBRARY_PATH=
/opt/sybase/ASE-16_0/lib:
/opt/sybase/OCS-16_0/lib:
/opt/sybase/OCS-16_0/lib3p:
/opt/sybase/OCS-16_0/lib3p64:
/opt/sybase/DataAccess/ODBC/lib:
/opt/sybase/DataAccess64/ODBC/lib:
Step 3: Create Oracle GoldenGate

Run the ggsci command in the folder where Oracle GoldenGate files are unzipped:

./ggsci
GGSCI> create subdirs
...
GGSCI>Exit
Step 4: Create Database User in Sybase for Replication.

In the Sybase database, create a database user for Oracle GoldenGate, and grant the sa_role and thereplication_role to that user:

Isql –Usa –P –SASE1

1> sp_addlogin ogguser,ogguser
2> go
Password correctly set.
Account unlocked.
New login created.
(return status = 0)
1> sp_adduser ogguser
2> go
New user added.
(return status = 0)
1> sp_role 'grant', replication_role, ogguser
2> go
Authorization updated.
(return status = 0)

1> sp_role 'grant', sa_role, ogguser
2> go
Authorization updated.
(return status = 0)
Step 5: Start GGSCI
export DSQUERY=ASE1
>./ggsci
GGSCI> edit param mgr
port 15002
GGSCI> start mgr
GGSCI> info mgr
Manager is running (IP port syslab.us.oracle.com.15002)
Tip:Why do I get the "unrecognized parameter (SOURCEDB)" error?
Make sure you set the DSQUERY environment variable, you can also include the source DB server in the dblogin command shown as follows:
dblogin sourcedb sydatabase@ASE1 userid ogguser password ogguser

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