Force reroute all unassigned shards

Elastic Stack Elasticsearch
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Hi All,

I have an ES cluster with 3 nodes and ES version 2.4.1. I have around 2000 shards in UNASSIGNED state. Is there a way where i can force assign all of them?

And what is the best way to avoid this.

--
Niraj

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Hi, can you tell us how many indices and replicas you have ?

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And what is the data size.

wow 2000 unassigned, sounds like you have a lot of shards (assigned+unassigned).

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I have fixed my issue. The issue was related to my disk on root being full to 95% so elasticsearch was not processing further shard allocation. Once i added additional space to my disk , it works perfectly fine.

yeah it is a bigdata consisting of around 600 amazon account's cloudtrail logs.

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You can reallocate unassigned indexes as follows:

First query for unassigned indexes:
curl http://Elastic:92xx/_cat/indices?pretty

Filter the unassigned shards.

Create a script which allocates unassigned shards to a data node:

curl -XPOST -d "{ ""commands"" : [ {  ""allocate"" : {""index"" : """[IndexNumber]""", ""shard"" : [shardnumber], ""node"" : ""[data-nodename]"",""allow_primary"":true      }   } ] }" http://localhost:9203/_cluster/reroute?pretty
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