Hi Everyone, I have just started upgrading my cluster from 7.17.5 to 8.4. I completed the first node, but when I went to start the service, it complained that: [2022-10-31T17:08:08,683][ERROR][o.e.b.Elasticsearch ] [hostname] fatal exception while booting Elasticsearch java.lang.IllegalStateEx…

It looks like maybe the node metadata is out of date or something? elasticsearch/NodeEnvironment.java at 8.4 · elastic/elasticsearch · GitHub Is there a command to refresh that? Not having the easiest time sorting through where that metadata.oldestIndexVersion() gets set

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Upgraded first node from 7.17.5 to 8.4. Won't start, claiming there is a 6.4.5 index, but I can't find it

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Brett_C November 1, 2022, 3:08am 5

Thanks mate, much appreciated!

Yeah, I missed one...

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