# Shutdown node cannot re-join the cluster

**URL:** <https://discuss.elastic.co/t/shutdown-node-cannot-re-join-the-cluster/12092>\
**Category:** Elasticsearch\
**Created:** [May 23, 2013, 11:11am UTC](https://discuss.elastic.co/t/shutdown-node-cannot-re-join-the-cluster/12092 "2013-05-23T11:11:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DH1](https://avatars.discourse-cdn.com/v4/letter/d/65b543/32.png) [@DH1](https://discuss.elastic.co/u/DH1)\
**Post date:** [May 23, 2013, 11:11am UTC](https://discuss.elastic.co/t/shutdown-node-cannot-re-join-the-cluster/12092/1 "2013-05-23T11:11:30Z")

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Hi, everyone.

Today, we ran into a strange problem.(maybe a configuration problem?)  
We have a three node cluster, using unicast discovery :

so, in the yml file, we have those settings :

discovery.zen.ping.multicast.enabled: false

discovery.zen.ping.unicast.hosts: ["1xx.xx.xxx.x8[9300-9400]",  
"1xx.xx.xxx.x9[9300-9400]", "1xx.xx.xxx.x0[9300-9400]"]

On startup, everything worked fine, the three nodes formed an unique  
cluster.

Then, the master node was shut down, wich resulted in the election of a new  
master in our now-two node cluster.

When we restarted the node, it elected itself as a master (that's what the  
logs are telling us), and never rejoigned the cluster, leaving us with two  
same-name cluster, (one with 2 nodes, one with a single one).

On the two nodes cluster logs, nothing is showing. The last entries

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<div class="post-metadata">

**Author:** ![DH1](https://avatars.discourse-cdn.com/v4/letter/d/65b543/32.png) [@DH1](https://discuss.elastic.co/u/DH1)\
**Post date:** [May 23, 2013, 11:18am UTC](https://discuss.elastic.co/t/shutdown-node-cannot-re-join-the-cluster/12092/2 "2013-05-23T11:18:21Z")

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Sorry, double post due to a misclick.

So, the last entries are the election of a new master after the former was  
shut down.  
Does anyone have an idea of what could cause that problem?  
Did we miss something in the ES configuration?  
Did it happen to someone else? If so, was it solved?

I know we could just restart the whole cluster, but it would hurt high  
availability, so we're trying to avoid that as much a s possible.

Thanks for any insight.

Le jeudi 23 mai 2013 13:11:30 UTC+2, DH a écrit :

> Hi, everyone.
> 
> Today, we ran into a strange problem.(maybe a configuration problem?)  
> We have a three node cluster, using unicast discovery :
> 
> so, in the yml file, we have those settings :
> 
> discovery.zen.ping.multicast.enabled: false
> 
> discovery.zen.ping.unicast.hosts: ["1xx.xx.xxx.x8[9300-9400]",  
> "1xx.xx.xxx.x9[9300-9400]", "1xx.xx.xxx.x0[9300-9400]"]
> 
> On startup, everything worked fine, the three nodes formed an unique  
> cluster.
> 
> Then, the master node was shut down, wich resulted in the election of a  
> new master in our now-two node cluster.
> 
> When we restarted the node, it elected itself as a master (that's what the  
> logs are telling us), and never rejoigned the cluster, leaving us with two  
> same-name cluster, (one with 2 nodes, one with a single one).
> 
> On the two nodes cluster logs, nothing is showing. The last entries

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<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:** [July 6, 2017, 2:35am UTC](https://discuss.elastic.co/t/shutdown-node-cannot-re-join-the-cluster/12092/3 "2017-07-06T02:35:08Z")

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