# Unstable cluster - Elasticsearch version 1.3.2

**URL:** <https://discuss.elastic.co/t/unstable-cluster-elasticsearch-version-1-3-2/20149>\
**Category:** Elasticsearch\
**Created:** [October 8, 2014, 7:32pm UTC](https://discuss.elastic.co/t/unstable-cluster-elasticsearch-version-1-3-2/20149 "2014-10-08T19:32:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![prabhu](https://avatars.discourse-cdn.com/v4/letter/p/db5fbb/32.png) [@prabhu](https://discuss.elastic.co/u/prabhu)\
**Post date:** [October 8, 2014, 7:32pm UTC](https://discuss.elastic.co/t/unstable-cluster-elasticsearch-version-1-3-2/20149/1 "2014-10-08T19:32:11Z")

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I just upgraded my elasticsearch from 1.2.1. I have 5 node cluster with 3  
master & 3 data nodes. (one master servers data)

During the upgrade, I restarted my whole cluster. (Till this time, my  
cluster was very stable). The cluster status was red for almost 12 hours.  
Since unassigned\_shards was 20 & it never got allocated.  
So, I manually reallocated by issuing the following commands

curl -XPOST 'localhost:9200/\_cluster/  
reroute' -d '{"commands" : [ {"allocate" : {"index" : "index1", "shard" :  
0, "node" : "node2", "allow\_primary" : true}}]}'

Then the cluster state changed to green immediately. And my indexes, search  
works as normal.

But, my concern is curl on [http://localhost:9200/\_nodes](http://localhost:9200/_nodes) is not working,  
But, I can do search on indexes, I can do indexes etc.,

I don't see any issues in the logs.

Any help would be much appreciated.

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**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, 12:57am UTC](https://discuss.elastic.co/t/unstable-cluster-elasticsearch-version-1-3-2/20149/2 "2017-07-06T00:57:26Z")

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