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Jira Data Centre: Can I update configuration on a single node, then apply to all once tested?

I have a 2 node Jira DC installation. There is a Change that needs to be done to the authentication, via a 3rd party app. 

My question: Can I isolate a single node, make the configuration alterations, test it, then once happy, turn off the isolation and thus update the whole cluster with zero downtime?

TIA

1 answer

0 votes
Daniel Ebers Community Leader Dec 11, 2020

Hi John,

while the information on the knowledbase suggest that you do not need to do something special...

Quote:

You will not need to stop the cluster, or bring down any nodes to install or update an app.

... I would spin up a tiny virtual machine, do the testing with a completely non-production environment and probably delete it afterwards.

Testing on a single node of the cluster might look easier but roll-back in case thing go wrong perhaps isn't.

In case the documentation on creating a test environment is of interest for you here is the link:
https://confluence.atlassian.com/adminjiraserver/creating-a-test-environment-for-jira-966063324.html

In summary: when tasked with this requirement I would test on a very separate environment first.

Regards,
Daniel

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