Active - passive scenario EWM v7.0.2
Good,
I need to implement an active - passive contingency scenario.
In this case we have three separate environments using Liberty.
The idea is to use an active environment, a passive environment and a test environment.
We only use CCM and JTS on DB2...
What would be necessary to configure to achieve this data replication?
Thanks
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One answer
Ralph Schoon (63.5k●3●36●46)
| answered Feb 01 '23, 9:47 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER edited Feb 01 '23, 9:53 a.m. What does passive mean?
Maybe related to https://jazz.net/wiki/bin/view/Deployment/HighAvailability or
https://jazz.net/wiki/bin/view/Deployment/DisasterRecovery ? In general have a look at the deployment Wiki https://jazz.net/wiki/bin/view/Deployment/ for advanced items.
With respect to test environment, our customers usually perform a backup. https://www.ibm.com/docs/en/elm/7.0.3?topic=servers-backing-up-restoring-applications Restore on a isolated test environment https://www.ibm.com/docs/en/elm/7.0.3?topic=rename-scenario-setting-up-test-staging-environment and then perform a server-rename to enable the test environment to be accessible from clients. Comments
In this case I will present both possibilities. In the case of HBA is there something specific to Liberty?
I'm reviewing HAProxy but I guess I have to configure something else..
Ralph Schoon
commented Feb 01 '23, 10:13 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER
I am not an expert for this. For hot standby and idle standby there is only so much you can do, I think. With respect to Liberty, that seems to be faster with shutdown and startup compared to WAS, so this is the solution that is suggested.
With respect to HAProxy, as far as I understand that is used for clustering. Clustering is also to some extend HA. There are still single points of failure such as JTS that would require some kind of treatment.
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