Oracle通过dblink连接GBase8aMPPCluster
Oracle 通过 dblink 连接 GBase 8a MPP Cluster
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源端:
Oracle 版本: Oracle 11.2.0.3.0 OS 版本: Redhat 7.5 IP:192.168.38.20
目标端:
GBase 版本: GBase 8a Cluster OS 版本: Redhat 7.5 IP:192.168.38.10
一 Oracle 端安装 gateway
说明:Oracle 11.2.0.3.0 默认安装了 gateway
[oracle@cjcos02 hs]$ pwd
/u01/app/oracle/product/11.2.0/db_1/hs
查看gateway 信息
[oracle@cjcos02 hs]$ dg4odbc
Oracle Corporation --- SATURDAY MAY 09 2020 15:07:10.503
Heterogeneous Agent Release 11.2.0.3.0 - 64bit Production Built with
Oracle Database Gateway for ODBC
二 Oracle 端安装 GBase ODBC
GBase ODBC 下载地址:
http://www.gbase8a.com/forum.php?mod=viewthread&tdtype=document&tid=1319
安装:
[root@cjcos02 odbc]# rpm -ivh GBaseODBC-8.3.81.53-build53.17-redhat7-x86_64.rpm
Preparing... ################################# [100%]
Updating / installing...
1:gbaseodbc-8.3-53.17 ################################# [100%]
三 Oracle 端配置 odbcinst.in
[root@cjcos02 odbc]# vim /etc/odbcinst.ini
[GBase ODBC 8.3 Driver]
Driver=/usr/lib64/libgsodbc8.so
UsageCount=1
DontDLClose=1
Threading=0
四 Oracle 端配置 GBase ODBC 数据源
4.1 查看配置文件位置
[root@cjcos02 odbc]# odbcinst -j
unixODBC 2.3.1
DRIVERS............: /etc/odbcinst.ini
SYSTEM DATA SOURCES: /etc/odbc.ini
FILE DATA SOURCES..: /etc/ODBCDataSources
USER DATA SOURCES..: /root/.odbc.ini
SQLULEN Size.......: 8
SQLLEN Size........: 8
SQLSETPOSIROW Size.: 8
4.2 配置 odbc.in
[root@cjcos02 odbc]# vim /etc/odbc.ini
[gbase]
Description = ODBC for GBase
Driver = GBase ODBC 8.3 Driver
Server = 192.168.38.10
Port = 5258
UID = cjc
Password = cjc
Database = cjcdb
五 验证ODBC 连接
[root@cjcos02 odbc]# isql gbase
SQL> select version();
SQL> select * from t1;
六 配置 tnsnames.ora
[oracle@cjcos02 ~]$ cd $ORACLE_HOME/network/admin
[oracle@cjcos02 admin]$ vim tnsnames.ora
[oracle@cjcos02 admin]$ tnsping gbase
七 配置listener.ora
[oracle@cjcos02 admin]$ vim listener.ora
[oracle@cjcos02 admin]$ lsnrctl reload
[oracle@cjcos02 admin]$ lsnrctl status
八 配置 initgbase.ora
[oracle@cjcos02 admin]$ pwd
/u01/app/oracle/product/11.2.0/db_1/hs/admin
[oracle@cjcos02 admin]$ vim initgbase.ora
HS_FDS_CONNECT_INFO = gbase
HS_FDS_TRACE_LEVEL = 0
HS_FDS_SHAREABLE_NAME=/usr/lib64/libodbc.so
HS_FDS_SUPPORT_STATISTICS=FALSE
HS_LANGUAGE=AMERICAN_AMERICA.WE8ISO8859P15
set ODBCINI = /etc/odbc.ini
九 创建dblink
SQL> create public database link gbase connect to "cjc" identified by "cjc" using 'gbase';
Database link created.
十 验证数据
Oracle 端:
[oracle@cjcos02 ~]$ sqlplus / as sysdba
SQL> select * from t1@gbase;
Gbase 端:
[gbase@cjcos01 ~]$ gccli -ucjc -p
gbase> use cjcdb;
gbase> select * from t1;
十一:常见错误
如下报错一般都是 initgbase.ora 配置问题,添加 HS_FDS_SHAREABLE_NAME 参数即可。
SQL> select * from t1@gbase;
select * from t1@gbase
*
ERROR at line 1:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
ORA-02063: preceding line from GBASE
Oracle 停库时报错 ORA-01097 ,切换会话后之前的会话会自动提交或回滚,在执行停库命令。
SQL> shutdown immediate
ORA-01097: cannot shutdown while in a transaction - commit or rollback first
切换会话
SQL> conn / as sysdba
Connected.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
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