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question asked: Apr 16 '18, 3:46 a.m.
question was seen: 1,881 times
last updated: Apr 19 '18, 9:29 a.m.

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Possibility of JAS clustering later after deployment

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Tojan John (117●28●82) | asked Apr 16 '18, 3:46 a.m.
edited Apr 18 '18, 12:19 a.m.

 I am planning to implement JAS without high availability clustering.

Is it possible to add JAS servers as clustering later after deployment of the environment if required?

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Tojan John (117●28●82) | answered Apr 18 '18, 2:45 a.m.
edited Apr 18 '18, 3:34 a.m. by Ralph Schoon (63.6k●3●36●46)

According to the limitations mentioned in the below link, it is not possible clustering after deployment.

https://jazz.net/wiki/bin/view/Deployment/PerformanceClusteredJAS


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Ralph Schoon commented Apr 18 '18, 3:35 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

Thanks, I accepted your answer.

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Jon Agnew (81●2●3) | answered Apr 19 '18, 9:29 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR

The restrictions described in the https://jazz.net/wiki/bin/view/Deployment/PerformanceClusteredJAS article are due to the fact that we do not support moving the JAS data from a Derby backend to a shared database server.

If you initially set up up your Jazz Authorization Server using a DB2 or Oracle backend and fronted by an IBM HTTP Server as shown in the diagram from that article, then you should be able to start with a single Jazz Authorization Server and add additional servers later.

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Ralph Schoon (63.6k●3●36●46) | answered Apr 18 '18, 2:19 a.m.
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I would consider to go through the install/upgrade guides and see how JAS clustering is done. Usually you should be able to change the topology e.g. by introducing a reverse proxy.

Worst case I would assume you throw away JAS and set it up clustered from scratch.

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Tojan John commented Apr 18 '18, 2:32 a.m. | edited Apr 18 '18, 2:44 a.m.

Thanks Ralph.

According to the limitations mentioned in the below link, it is not possible clustering after deployment.

https://jazz.net/wiki/bin/view/Deployment/PerformanceClusteredJAS

Ralph Schoon commented Apr 18 '18, 2:34 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

I can't seem to see the link.

Tojan John commented Apr 18 '18, 4:41 a.m.

My mistake Ralph
https://jazz.net/wiki/bin/view/Deployment/PerformanceClusteredJAS

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