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Upgrade 3.1 directly to 5.1 OK?

Question asked by Terry on Apr 4, 2016
Latest reply on Apr 8, 2016 by Terry

I've fallen behind badly with my M3 cluster of ~40 nodes - still at 3.1. Some renewed project interest has prompted me to get off my butt and get up to date again. Is it safe to upgrade directly from 3.1 to 5.1 providing the target machines meet the requirements of 5.1? Or should I go incrementally to, say, 4.1 instead?