Usually you need to check the following to make sure the setup works (this also applies to any data source utilizes ODBC wrapper):
1. Setup environment variables
The rule of thumb is you want to put Netezza odbc driver at the very beginning of each environment variable:
DJX_ODBC_LIBRARY_PATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/opt/oemclient/odbc60/64/lib
DB2LIBPATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib
LIBPATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib:/opt/oemclient/odbc60/64/lib
ODBCINI=/home/iidev20/bin/odbc.ini
DB2LIBPATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib:/opt/csdlclient/oracle/lib:/opt/oemclient/odbc60/64/lib:/opt/csdlclient/informix/64/lib
LD_LIBRARY_PATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib:/opt/oemclient/odbc60/64/lib
2. Setup odbc.ini corresponding DSN
[ODBC]
IANAAppCodePage=4
InstallDir=/opt/ibm/home/bigsql/resources/lib64/
TraceDll=
TraceFile=odbctrace.out
UseCursorLib=0
3. Run db2set
db2set DB2_DJ_INI=/home/iidev20/sqllib/cfg/db2dj.ini
db2set DB2LIBPATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/opt/oemclient/odbc71/64/
4. Modify db2dj.ini
DJX_ODBC_LIBRARY_PATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc 71/64/lib/:/opt/oemclient/odbc60/64/lib
DB2LIBPATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib
LIBPATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib:/opt/oemclient/odbc60/64/lib
ODBCINI=/home/iidev20/bin/odbc.ini
DB2LIBPATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib:/opt/csdlclient/oracle/lib:/opt/oemclient/odbc60/64/lib:/opt/csdlclient/informix/64/lib
LD_LIBRARY_PATH=/opt/ibm/home/bigsql/resources/lib64/:/opt/oemclient/odbc71/64/lib/:/home/iidev20/sqllib/lib:/opt/oemclient/odbc60/64/lib
5. Restart to make configuration effective