# Zen Discovery cannot resolve the master
**URL:** https://discuss.elastic.co/t/zen-discovery-cannot-resolve-the-master/11728
**Category:** Elasticsearch
**Created:** [April 29, 2013, 9:30am UTC](https://discuss.elastic.co/t/zen-discovery-cannot-resolve-the-master/11728 "2013-04-29T09:30:40Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@Sicker](https://discuss.elastic.co/u/Sicker)
#### Post date: [April 29, 2013, 9:30am UTC](https://discuss.elastic.co/t/zen-discovery-cannot-resolve-the-master/11728/1 "2013-04-29T09:30:40Z")
I use ES 0.19.1and use discovery.zen.minimum\_master\_nodes: 2, and restart
as this timeline
Time
Node1
Node2
Node3
Node4
-
Up(Master)
Up
Up
Up
2013-04-27 15:21:27
(Shutdown)
Up(Master)
2013-04-27 15:21:39
Up
2013-04-27 15:22:06
(Shutdown)
Up(Master)
2013-04-27 15:22:25
(Shutdown)
Up (Master)
_2013-04-27 15:22:41_
(Shutdown)
_2013-04-27 15:22:41_
Up
2013-04-27 15:23.10
Up
2013-04-27 15:23.18
Up
After this every node cannot join the cluster. What happened in this case?
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### Author:  [@jprante](https://discuss.elastic.co/u/jprante)
#### Post date: [April 29, 2013, 9:56am UTC](https://discuss.elastic.co/t/zen-discovery-cannot-resolve-the-master/11728/2 "2013-04-29T09:56:26Z")
It seems you play bingo with Elasticsearch.
Watch for the shard relocation after you shutdown a node. If relocations
for indexes are in progress, these indexes are not available on that
node and the node state is not ready. You must ensure a node is started
and active and ready for master election.
Jörg
Am 29.04.13 11:30, schrieb Sicker:
> I use ES 0.19.1and use discovery.zen.minimum\_master\_nodes: 2, and
> restart as this timeline
>
> Time
>
> Node1
>
> Node2
>
> Node3
>
> Node4
>
> -
>
> Up(Master)
>
> Up
>
> Up
>
> Up
>
> 2013-04-27 15:21:27
>
> (Shutdown)
>
> Up(Master)
>
> 2013-04-27 15:21:39
>
> Up
>
> 2013-04-27 15:22:06
>
> (Shutdown)
>
> Up(Master)
>
> 2013-04-27 15:22:25
>
> (Shutdown)
>
> Up (Master)
>
> _2013-04-27 15:22:41_
>
> (Shutdown)
>
> _2013-04-27 15:22:41_
>
> Up
>
> 2013-04-27 15:23.10
>
> Up
>
> 2013-04-27 15:23.18
>
> Up
>
> After this every node cannot join the cluster. What happened in this case?
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### Author:  [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [April 29, 2013, 10:41am UTC](https://discuss.elastic.co/t/zen-discovery-cannot-resolve-the-master/11728/3 "2013-04-29T10:41:06Z")
Can you update to at least latest elasticsearch 0.19.12? 0.19.1 is very very old (more than a year).
Also, consider moving to 0.20.6.
I remember that some issues about discovery have been fixed in the last year. May be it could help here.
My 2 cents
--
David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com)
@dadoonet | @elasticsearchfr | @scrutmydocs
Le 29 avr. 2013 à 11:30, Sicker [sicker27@gmail.com](mailto:sicker27@gmail.com) a écrit :
> I use ES 0.19.1and use discovery.zen.minimum\_master\_nodes: 2, and restart as this timeline
>
> Time
>
> Node1
>
> Node2
>
> Node3
>
> Node4
>
> -
>
> Up(Master)
>
> Up
>
> Up
>
> Up
>
> 2013-04-27 15:21:27
>
> (Shutdown)
>
> Up(Master)
>
> 2013-04-27 15:21:39
>
> Up
>
> 2013-04-27 15:22:06
>
> (Shutdown)
>
> Up(Master)
>
> 2013-04-27 15:22:25
>
> (Shutdown)
>
> Up (Master)
>
> 2013-04-27 15:22:41
>
> (Shutdown)
>
> 2013-04-27 15:22:41
>
> Up
>
> 2013-04-27 15:23.10
>
> Up
>
> 2013-04-27 15:23.18
>
> Up
>
> After this every node cannot join the cluster. What happened in this case?
>
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> \\\\
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 2:39am UTC](https://discuss.elastic.co/t/zen-discovery-cannot-resolve-the-master/11728/4 "2017-07-06T02:39:15Z")