Different BRMS versions in one git repository cluster

Solution Unverified - Updated -

Issue

  • We're planning an upgrade to our system from BRMS 6.1.3 to BRMS 6.4.0. The environment consists of 5 servers clustered with BRMS git repository cluster managed by Zookeeper and Helix. As we want to avoid entire downtime, I plan --- 1) Split the domain into 2 domains. 2) Upgrade the version one-by-one without shutting down both domains. Is it safe?

Environment

  • Red Hat JBoss BRMS
    • 6.1.3
    • 6.4.0

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