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Recommended WAS flavor for CLM 6.0.3 in windows cluster environment


Tojan John (1172477) | asked Jul 25 '17, 4:55 a.m.
Planning to setup CLM 6.0.3 environment in windows cluster (two VMs for each application). Which flavor of Websphere to be used? WAS Base, WAS ND or Liberty?

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Ulf Arne Bister (1.3k413) | answered Jul 25 '17, 5:17 a.m.

Tojan,

after unsuccessful attempts at clustering CLM with WAS ND in the distant past there is now a very viable and very successfully implemented clustering solution that became generally available with CLM 6.0.4
It requires WAS Liberty (as well as MQTT and a HA proxy) and currently only supports RTC (the /ccm app). You can also cluster Jazz Authorization Server. However other apps (/rm , /qm, /jts) are currently not (yet) supported for clustering.

Today in 6.0.3 you can add e.g. several /ccm, /rm or /qm apps under the same Jazz Server (/jts) using either WAS or WAS Liberty but the apps would access separate database tables.

In any case starting with 6.0.3 Liberty is supported out of the box, nicely integrated and generally less resource intensive, stable, with an inuitive admin UI and simple configuration via .xml. I would choose it over full WAS if you can.

- Arne


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Dinesh Kumar B (4.1k413) | answered Apr 10 '20, 7:36 a.m.
JAZZ DEVELOPER

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