Configuring Remote Source connection (SDA) from HANA to MSSQL

[Former Member]

I went through couple of blogs on the same topic , but didnt found anything specific to MSSQL configuration. Hence, i would like to present it in more details for configuring remote source connection from HANA to MSSQL.

What is HANA Smart Data Access (SDA) ?

SAP HANA smart data access enables remote data to be accessed. It enables remote data to be accessed as if they are local tables in SAP HANA, without copying the data into SAP HANA. Specifically, in SAP HANA, you can create virtual tables which point to remote tables in different data sources. Customers can then write SQL queries in SAP HANA, which could operate on virtual tables.

More details on SDA can be found in the below blog

Smart Data Access- A new feature by HANA

In this blog, I have defined the configuration of connecting the HANA DB to external MSSQL DB (HANA Admin View).

Steps for Configuring:

1. Download the drivers Unix ODBC & Microsoft SQL
2. Installing the drivers
3. creating the .odbc.ini file and setting up the configuration.
4. Restart the HANA
5. Configure the remote source connection in HANA Studio.

Download the Drivers :

1. Goto link Download Microsoft® ODBC Driver 11 for SQL Server® - SUSE Linux Community Technology Preview from Of...

2. Download the Microsoft SQL Server ODBC Driver 11 for SQL Server by clicking one of the download buttons.

Installing the Drivers:

Install the unixODBC 2.3.0 Driver Manager

1. After downloading the drivers, you will be able to see msodbcsql-11.0.2260.0.tar.gz

2. Copy the downloaded drivers it to Linux server where HANA is installed.

3. Login as root user and decompress msodbcsql-11.0.2260.0.tar.gz -

    tar -zxvf msodbcsql-11.0.2260.0.tar.gz

4. Change to the msodbcsql-11.0.2260.0 directory

    cd ./msodbcsql-11.0.2260.0

5. You can install the driver manager by executing the following command

    ./build_dm.sh

6. Type "YES" to proceed with unpacking the files. This part of the process can take up to five minutes to complete

7. After the script stops running, follow the instructions on the screen to install the unixODBC Driver Manager.

This will complete the installation of UnixODBC drivers.

P.S: check the version of Unix ODBC by executing command >isql --version -> The output should be unixODBC 2.3.0

Install the Microsoft SQL Server ODBC Driver 11 for SQL Server

1. Change to the msodbcsql-11.0.2260.0 directory, where you can run install.sh to install the driver:

    cd ./msodbcsql-11.0.2260.0

2. run the install script

    ./install.sh install

3. After reviewing the license agreement, type "YES" to continue with the installation.

4.Verify that Microsoft SQL Server ODBC Driver 11 For SQL Server was registered successfully:
     odbcinst -q -d -n "ODBC Driver 11 for SQL Server"

5. To check the successful installation of drivers...type the below command

creating the .odbc.ini file and setting up the configuration:

As HANA requires the .odbc.ini file for communicating with remote source MSSQL. Hence, we need to create .odbc.ini file in $HOME directory.

1. Login with sidadm user and create .odbc.ini file -> vi .odbc.ini file

2. Create DSN as MSSQL

3. Server=nave of the server you want to connect and port number

4. Driver = Location of the ODBCsql driver.

P.S: your .odbc.ini file should look like above

5. Goto Home directory and open .sapenv.sh file and add the below line (Update the LD_LIBRARY_PATH)

    export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/opt/microsoft/msodbcsql/lib64

6. Restart SAP HANA

Configure the remote source connection:

From HANA Studio -> Provisioning -> Remote Source -> right click new remote source

Provide username and password of the remote MSSQL server for logon.

P.S: The following privileges are required to manage remote sources:

This completes the Installation and configuration of Remote source connection to remote MSSQL server from HANA.

References & Known Issues:

2141242 - Error "Can't open lib '/opt/microsoft/msodbcsql/lib64/libmsodbcsql-11.0.so.2260.0' : file...

1968653 - Smart Data Access - generic odbc - file not found  

2151882 - ODBC Error Using HANA Smart Data Access to MSSQL 

Download Microsoft® ODBC Driver 11 for SQL Server® - SUSE Linux Community Technology Preview from Of...

Regards,

Pavan Gunda

[Former Member]

can you explain how to do this on windows?

[lbreddemann]

These configuration steps are to be done on the SAP HANA server side, which is always and exclusively on Linux. No need for a "Windows" version of this guide.

[former_member183326]

For the SERVER configuration, what are the configuration parameter changes if the OS is running on UNIX? Using a comma gives the error:

SAP DBTech JDBC: [403]: internal error: Cannot get remote source

objects: [Microsoft][ODBC Driver 11 for SQL Server]Invalid attribute

value

Thank you,

Michael

[lbreddemann]

Ok, I think you need to clarify here. SAP HANA is available on LINUX only.

MS SQL Server is available on MS Windows only.

What part are you installing on UNIX?

And at what exact step are you getting the above error message?

Looks like you copy/pasted it from SAP HANA studio; if so, did the step with isql work for you?

- Lars

[former_member183326]

Hello Lars, thank you for getting back so quickly.

So a remote source connection was configured. When the connection is tested an error appears in HANA

SAP DBTech JDBC: [403]: internal error: Cannot get remote source

objects:

[unixODBC][Microsoft][ODBC Driver 11 for SQL Server]Login timeout

expired

Indexserver shows:

[21448]{205343}[264/-1] 2015-07-01 13:21:04.159509 e FedTrace         odbcaccess.cpp(03423) : ODBC error: connected: 0 state: HYT00 code: 0 [unixODBC][Microsoft][ODBC Driver 11 for SQL Server]Login timeout expired

[21448]{205343}[264/-1] 2015-07-01 13:21:19.169829 e FedTrace         odbcaccess.cpp(03423) : ODBC error: connected: 0 state: HYT00 code: 0 [unixODBC][Microsoft][ODBC Driver 11 for SQL Server]Login timeout expire

So I looked at the ODBC.ini file and see:

[MSSQL]

Server=xqlxxcaxs10xx.hosting.xxx:1433

I went to change to:

MSSQL] 

Server=xqlxxcaxs10xx.hosting.xxx,1433

I then get the following error:

SAP DBTech JDBC: [403]: internal error: Cannot get remote source 

objects: [Microsoft][ODBC Driver 11 for SQL Server]Invalid attribute

value

My .odbc.ini in /usr/sap/<SID>/HDBXX looks like this

[MSSQL]

Server=xqlxxcaxs10xx.hosting.xxx,1433

Driver=/opt/microsoft/msodbcsql/lib64/libmsodbcsql-11.0.so.2260.0

Thank you and Best Regards,

Michael

[Bojan-lv-85]

Hi Mike,

I went for

[DSN]

....

Driver=/opt/microsoft/msodbcsql/lib64/libmsodbcsql-11.0.so.2260.0

Server=hostname

Port=1433

Database = <sid_of_MSSQL_DB>

As Lars already mentioned: does the isql command work from OS level?

(isql -v <datasourcename> <user> <pw>)

BR, Bojan

[former_member183326]

That did the trick Bojan :smile: . Thanks for that

[former_member220102]

Hi Pavan ,

I followed the steps as mentioned in the blog . After Configure the remote source connection when i try to expand it it  gives error :

[403]: internal error: Cannot het remote source objects:[unixODBC][Microsoft][ODBC Driver 11 for SQL Server]login timeout expired

Can you please help me here .

Thanks

Amit

[VP]

Hi Pavan,

i get the scenario working. Driver installed and checked to work with expected DSN. Isql launched and select on a table of databese with schema dbo properly working with expected table content.

On Hana studio remote data suorce created ad MSSql and ok. Expanding the node i get the db name ad expected. Expanding more i get the schema assigned... Dbo. Expanding dbo I should get table list but NOTHIG. What do I miss?

thank you for and help

VAlentino

[Former Member]

HI Valentino,

This might be authorization issue. I am able to see the list of tables under DBO.

Regards,

Pavan Gunda

[JamesRedman]

Hi Valentino,

Did you get this fixed? I am hitting the same problem of not being able to list the tables.

Cheers,

James.

[Former Member]

Hi,

I am unable to add SDA connection in SAP HANA Studio. It gives following error:

SAP DBTech JDBC: [403]: internal error: Cannot get remote source objects: [unixODBC][Driver Manager]Data source name not found, and no default driver specified


I am able to connect to SQL Server from the Linux, but I have to use sudo.

hxeadm@hxehost:/usr/sap/HXE/home> isql MSSQLTest sa PassWord15
[ISQL]ERROR: Could not SQLConnect

hxeadm@hxehost:/usr/sap/HXE/home> sudo isql MSSQLTest sa PassWord15
+---------------------------------------+
| Connected!                            |
|                                       |
| sql-statement                         |
| help [tablename]                      |
| quit                                  |
|                                       |
+---------------------------------------+
SQL>


Problem seems to be the permission to access the /opt/microsoft/msodbcsql/lib64/libmsodbcsql-11.0.so.2260.0


hxeadm@hxehost:/usr/sap/HXE/home> cat /etc/odbc.ini
cat: /etc/odbc.ini: Permission denied

hxeadm@hxehost:/usr/sap/HXE/home> sudo cat /etc/odbc.ini
[MSSQLTest]
Driver=ODBC Driver 11 for SQL Server
Description=SQL Server 2012 test instance
Server=192.168.1.103,1433
Database=IDS



I gave full r.w.x permission to every user in linux, still face the same error while creating SDA connection. I also tried giving root permission to hana user (hxeadm), doing so doesn't allow me even start the database.

I am trying to get around this error for about ten days, but in vain. Search everywhere on google, watched every single video on youtube. Tried setting up HANA VM 50 times, but failed.

I can also ping the HANA VM box from Windows and vice versa. I can query the database tables from linux using root user or using sudo with hanauser (hxeadm).

Any help please? What am I missing?

Regards,
khardu

[Former Member]

hi pavan.gunda1,

we are having SSL enable issue between DPAgent (windows) and SQL Server (windows), its not recognizing SSL secstore even though I imported DPAgent certificate into remote source SQL Server. wondering if you have any BKMs?

we have SSL between DPAgent & DPServer working fine though.
Regards
Chandra

 

[former_member242676]

Hi Pavan/All,

I have configured  SDA and I am able to connect to my MSSQL using SQLCMD. However when I am using Studio to connect using the provisioning, I have an error while fetching children : The Studio will show Pending for remote source:

I have also tried with the latest version of Studio no luck:

An internal error occurred during: "Fetching children ...".
while trying to invoke the method java.sql.Connection.prepareCall(java.lang.String) of a null object loaded from local variable 'connection'

java.lang.NullPointerException: while trying to invoke the method java.sql.Connection.prepareStatement(java.lang.String) of a null object loaded from local variable 'connection'java.lang.NullPointerException: while trying to invoke the method java.sql.Connection.prepareStatement(java.lang.String) of a null object loaded from local variable 'connection' at com.sap.ndb.studio.federation.services.ds.impl.sql.FederationSQLService.executeStatement(FederationSQLService.java:181) at com.sap.ndb.studio.federation.services.ds.impl.sql.FederationSQLService.refreshServerFederationVersion(FederationSQLService.java:102) at com.sap.ndb.studio.federation.catalog.navigator.FederationWorkbenchAdapter$1.run(FederationWorkbenchAdapter.java:128) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

Thanks,

Abhi

[Former Member]

Hi Abhi/ StraVis,

we are also getting the same error while configuring SDA.

An internal error occurred during: "Fetching children ...".
while trying to invoke the method java.sql.Connection.prepareCall(java.lang.String) of a null object loaded from local variable 'connection'

Please let us know the solution for this issue.

Thanks

Shiva