Written on June 2, 2009 at 9:46 am by Tapan

Zero downtime Siebel SRF Migration

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Hi Guys,

Tapan is back with more useful stuff. Today he is talking about procedure to change SRF without restarting Siebel server or as the title of the post said Zero downtime SRF Migration.

(This is quite enlightening, even I didn’t knew that It was possible)

Here are the steps to migrate SRF without bouncing the servers:

1. Copy the new .srf in the <Siebel server>/ object/<language> directory.

2. Using a Siebel Web Client, Navigate to Site Map > Server Administration > Enterprise Configuration.

3. Click the Component Definitions view tab.

4. In the Component Definitions list applet (top applet), select the Object Manager you want to reconfigure.

5. Click the menu button in the Component Definitions list applet (the top Applet) and then Start Reconfiguration the Object Manager definition. State field will change to Reconfiguring.

6. In the Component Definitions parameters list applet (the lower applet), change the Application Repository File parameter to the new repository file name.

7. Commit the new configuration by clicking the menu button in the Component Definitions list applet (the top applet) and then “Commit Reconfiguration”. The new parameter values will be merged at the enterprise level. To cancel the reconfiguration before it has been committed, click the menu button and then Cancel Reconfiguration.

That’s it, now new users logging in to the application will use the new .srf file. Existing users will
continue to use the old .srf file until they log in again.

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Jose Ramos

Tapan

Many Thanks.

I'm going to test this procedure. I will let you know the outcome.

Best Regards

Jose Ramos

Tapan

Hi Jose,

After changing the SRF, Just what you need to do is double click the Batch file and work Done.

The Batch Script that would work is given below.

A sample GenB Script Batch file creation process:

1) Open a notepad.
2) COpy the following script in it.

::******************* Genb Script *********************

::*****rem this calls the genb script********

call SIEBEL_ROOT_DIR\siebsrvr\bin\genbscript.exe "SIEBEL_ROOT_DIR\siebsrvr\bin\enu\siebel.cfg" SIEBEL_ROOT_DIR\SWEApp\public\enu ENU

echo "GenB Complete"

pause

3) Save the file as "GenB.bat" or any other name on the server mahcine where the OM is installed.

This process automatically generate your required BS Script at webserver folder(SWEApp\public\enu ).

Yes it works for eCommunications comp, infact for all the application object managers.

Please let me know if this does not work because i had tried it numerous number of times.

Thanks,
Tapan

Jose Ramos

Hi All

Tapan

Yes, it's genbscript. My version is 7.5.3.16.

What is the process? Change the SRF as explained in the beginning of this Post. Generate the BS and the Component starts to use the new ones? No need to bounce the Siebel Server or the IIS?

If it’s that simple, then will be implementing this process at my company. It works also for the eCommunications comp.?

Many thanks, best regards,

Jose Ramos

Tapan

Hi,

Sorry for Late Reply guys,

Jose: No you do not have to bounce the siebel services to generate or change Browser script.

If i am not wrong, We here are talking about the GenB.

Please correct if i am wrong.

Jacob: I tried the Same on 8.1.1 due to unavailibilty of 8.0 by following the same steps and it seems to be working fine with me.
Please let me know what exact steps are you following.

Nimish: Vanilla component like Workflow Process manager generally use the default SRF file siebel.srf file, If their is something specific, Yes we do need to change the parameter explicitely for each of them.

It would be great if Neel or someone can put some light on it with better solution.

Thanks,
Tapan

Nimish

Hi Tapan et al,

I am using siebel 7.7 and i could see that we have other workflow components as well which use the SRF file and not just the object manager. So in that case we would have to take care of all such components and not only the object manager isnt it?

Please let me know your views on this please...

JM

Dear Tapan,

We are on siebel 8.0 (SIA - Ver 8.0.0.5)

1. I went to /siebsrvr/objects/enu, I overwrote the "siebel_sia.srf" file with the latest SRF file - "siebel_sia.srf"

2. Then did the "Start Reconfiguration" of the Object Manager definition (Compdef) and then did "Commit Reconfiguration"+.

This did not reflect the latest changes of the SRF in the thin client.

I also tried with a different SRF file name "siebel_sia_test.srf" under compdef parameters

Also put the same name under Compdef - Parameters (CFGRepositoryFile= siebel_sia_test.srf)...

This also did not help.

Let me know if you have the exact steps to deploy the SRF without any downtime - ie., without bringing down the siebel enterprise.

Regards

Jacob.

Jose Ramos

I all,

This available at the Siebel Support Web, but very this post is very well explained, better than the one on the SupportWeb.

I have a question for all you guys. After the SRF is changed and if we need to generate and change the browser Scripts? Don't we have to bounce the servers?

Many thanks

Jose

Prasad

Guys,

Just thought of a question what if we have changes that is based on repository as well. For example a workflow policy column or a new Workflow process which expects the changes to be in repository no in srf. Once we import our new repository should we bring down the server to rename the repository?

Diogo

Hi Tapan, this is really a nice solution from Siebel, i've used a lot in my last job. There is only one downturn you have to keep in mind, after you Commit Reconfiguration all the request will be served by a new OM, but the existing connections will still be alive using the old OM (and SRF file). This will increase the amount of memory the server will use until all the older sessions are terminated by logoff or timeout. In certain cases (with frequent new logins every minute >100 logins), i've seen the amount of memory needed to double.

Regards,
Diogo

Tapan

Hi Binesh,

As per your requirement, You want to change the SRF's on 9 servers simultaneously without a downtime.
I am not sure that this is the right way but what you can do is create a batch file for each server and shedule them as per your time slot available.

This Batch file will enable you to do the task without any downtime.

I haven't worked upon this scenario and not sure about it either, but as per my understanding it should work.

Binesh

Hi,
I have 9 servers in ly prod environment. Is there any way to change the srfs simulatanesouly in all the machine without a downtime?

Svetj

Thank you very mutch Tapan.
Ill'try this procedure as soon as possible in our pre production enviroment.

bye ;-)

Ashish

Hi all,
This limitation is limited only to Siebel SBA version, not to SIA versions. This parameter is present in the OM in SIA...

Reg,
Ashish

Tapan

The “Application Repository File” parameter is no longer available in Siebel version 7.8. This has become a hidden parameter; however it is still available in the siebns.dat file.

In order to change the SRF file using the zero downtime feature in Siebel version 7.8, the “Application Repository File” parameter needs to be changed using the Server Manager command line Utility:

srvrmgr> reconfig compdef
Command completed successfully.

srvrmgr > change parameter CFGRepositoryFile= for compdef
Command completed successfully.

srvrmgr > commit reconfig compdef
Command completed successfully.

Svetj

Very nice Article!
Just a question.
In the Component Definitions parameters list applet, I can't find the Application Repository File parameter.

I remember that some parameters are hidden,
and there is a parameter to show them.

Can you help me?

Thank you

Tapan

Good Work Nitin ......Nice to see you've published it....great job....

neel

Yes, you are right.. it is same Tapan :)

Nitin

:-)

hehehe!! check this out, dude!!

http://geeksbloggingat.com/2009/05/11/siebel-de...

is this the same Tapan that both of us know?

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