Hello : We are having Elasticsearch version 7.8.0 , running with 6 node cluster. All 6 nodes were data and master nodes. We have lost 3 Nodes out of 6 , and now we have message in logfile [2023-02-14T10:58:47,994][WARN ][o.e.c.c.ClusterFormationFailureHelper] [node-3] master not discovered or el…

Okay , we have fixed the issue by following the document : [image] elasticsearch-node | Elasticsearch Guide [8.6] | Elastic Thank You

Elasticsearch version 7.8 is EOL and no longer supported. Please upgrade ASAP. (This is an automated response from your friendly Elastic bot. Please report this post if you have any suggestions or concerns :elasticheart: )

My Elasticsearch YML FILE : cluster.name: PD-JC-ES-ADVSRCH-C02 node.name: node-rh-2 node.attr.rack: r1 path.data: /usrdata/elastic/data path.logs: /usrdata/elastic/logs bootstrap.memory_lock: true network.host: 172.24.22.126 http.port: 9207 discovery.seed_hosts: ["172.24.22.183", "172.24.22.126", "…

Elasticsearch Master Quorum is lost

Elastic Stack Elasticsearch

tusharnemade (Tushar Nemade) February 14, 2023, 11:46am 4

Okay , we have fixed the issue by following the document :

Thank You

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Elasticsearch Master Quorum is lost

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