Not enough nodes discovered to form a quorum in the initial configuration – Elasticsearch Error How To Solve Related Issues



Not enough nodes discovered to form a quorum in the initial configuration – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many errors 

 

This guide will help you check for common problems that cause the log “not enough nodes discovered to form a quorum in the initial configuration” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: cluster.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”not enough nodes discovered to form a quorum in the initial configuration”classname  is Coordinator.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

peerFinder.getFoundPeers().forEach(knownNodes::add);
 
  if (votingConfiguration.hasQuorum(knownNodes.stream().map(DiscoveryNode::getId).collect(Collectors.toList())) == false) {
  logger.debug("skip setting initial configuration as not enough nodes discovered to form a quorum in the " +
  "initial configuration [knownNodes={}; {}]"; knownNodes; votingConfiguration);
  throw new CoordinationStateRejectedException("not enough nodes discovered to form a quorum in the initial configuration " +
  "[knownNodes=" + knownNodes + "; " + votingConfiguration + "]");
  }
 
  logger.info("setting initial configuration to {}"; votingConfiguration);
  final CoordinationMetadata coordinationMetadata = CoordinationMetadata.builder(currentState.coordinationMetadata())

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 ElasticSearch Out Of Memory -views 26,451 ,score 10

Elasticsearch 7.2.0: master not discovered or elected yet, an election requires at least X nodes -views   465,score 1



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