# Cluster Red after scale down with allocation\_status = fetching\_shard\_data

**URL:** <https://discuss.elastic.co/t/cluster-red-after-scale-down-with-allocation-status-fetching-shard-data/240749>\
**Category:** Elasticsearch\
**Created:** [July 10, 2020, 7:24pm UTC](https://discuss.elastic.co/t/cluster-red-after-scale-down-with-allocation-status-fetching-shard-data/240749 "2020-07-10T19:24:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![UDixit](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/udixit/32/53219_2.png) [@UDixit](https://discuss.elastic.co/u/UDixit)\
**Post date:** [July 10, 2020, 7:24pm UTC](https://discuss.elastic.co/t/cluster-red-after-scale-down-with-allocation-status-fetching-shard-data/240749/1 "2020-07-10T19:24:24Z")

</div>

Each of my index is 12 shards. I was running a 6R6P cluster(2 shards per partition).  
I recently scaled it down to 1R1P configuration.

During the scale down, I reduced the replicacount to 0. After this, the cluster remained green for ~5-6 mins and then suddenly turned Red with unassinedinfo

```auto
"unassigned_info": {
      "allocation_status": "fetching_shard_data",
      "details": "node_left[FtEWJRnCSUGc5U0m6ASKDg]",
      "reason": "NODE_LEFT"
    },

```

The unassigned shard index[8] is missing all segment files and is completly empty. How could the cluster be green when the only available copy of the shard was empty?

Could I be running into this : [https://github.com/elastic/elasticsearch/issues/21719](https://github.com/elastic/elasticsearch/issues/21719)  
I'm working with ES5.6

---

<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:** [August 7, 2020, 7:24pm UTC](https://discuss.elastic.co/t/cluster-red-after-scale-down-with-allocation-status-fetching-shard-data/240749/2 "2020-08-07T19:24:24Z")

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Closed on August 7, 2020, 7:24pm UTC

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