# What's means? \[cloudoc1\] value for setting "discovery.zen.minimum\_master\_nodes" is too low

**URL:** <https://discuss.elastic.co/t/whats-means-cloudoc1-value-for-setting-discovery-zen-minimum-master-nodes-is-too-low/155323>\
**Category:** Elasticsearch\
**Created:** [November 5, 2018, 1:30am UTC](https://discuss.elastic.co/t/whats-means-cloudoc1-value-for-setting-discovery-zen-minimum-master-nodes-is-too-low/155323 "2018-11-05T01:30:56Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![ksb304](https://avatars.discourse-cdn.com/v4/letter/k/8c91f0/32.png) [@ksb304](https://discuss.elastic.co/u/ksb304)\
**Post date:** [November 5, 2018, 1:30am UTC](https://discuss.elastic.co/t/whats-means-cloudoc1-value-for-setting-discovery-zen-minimum-master-nodes-is-too-low/155323/1 "2018-11-05T01:30:57Z")

</div>

**log**

## [2018-11-05T10:21:26,407][WARN][o.e.d.z.ElectMasterService] [cloudoc1] value for setting "discovery.zen.minimum\_master\_nodes" is too low. This can result in data loss! Please set it to at least a quorum of master-eligible nodes (current value: [-1], total number of master-eligible nodes used for publishing in this round: [2])

\*\* node1 elasticsearch.yml\*\*  
cluster.name: cloudocCluster  
node.name: cloudoc1  
network.host: 192.168.1.99  
http.port: 9200  
discovery.zen.ping.unicast.hosts: ["192.168.1.99"]

* * *

\*\* node2 elasticsearch.yml\*\*  
cluster.name: cloudocCluster  
node.name: cloudoc2  
network.host: 192.168.1.99  
http.port: 9400  
discovery.zen.ping.unicast.hosts: ["192.168.1.99"]

---

<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [November 5, 2018, 6:12am UTC](https://discuss.elastic.co/t/whats-means-cloudoc1-value-for-setting-discovery-zen-minimum-master-nodes-is-too-low/155323/2 "2018-11-05T06:12:00Z")

</div>

Set:

```
discovery.zen.minimum_master_nodes: 2
```

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 3, 2018, 6:12am UTC](https://discuss.elastic.co/t/whats-means-cloudoc1-value-for-setting-discovery-zen-minimum-master-nodes-is-too-low/155323/3 "2018-12-03T06:12:02Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.