# Are steps 1 and 2 of migration guide needed on single instance?

**URL:** <https://discuss.elastic.co/t/are-steps-1-and-2-of-migration-guide-needed-on-single-instance/115885>\
**Category:** Elasticsearch\
**Created:** [January 17, 2018, 1:31pm UTC](https://discuss.elastic.co/t/are-steps-1-and-2-of-migration-guide-needed-on-single-instance/115885 "2018-01-17T13:31:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![asp](https://avatars.discourse-cdn.com/v4/letter/a/9fc348/32.png) [@asp](https://discuss.elastic.co/u/asp)\
**Post date:** [January 17, 2018, 1:31pm UTC](https://discuss.elastic.co/t/are-steps-1-and-2-of-migration-guide-needed-on-single-instance/115885/1 "2018-01-17T13:31:09Z")

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Hi,

I am preparing the update from 5.1.2 to 6.1.0. I am currently using a single instance.  
The migration guide says I need a full cluster restart.  
[https://www.elastic.co/guide/en/elasticsearch/reference/current/restart-upgrade.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/restart-upgrade.html)

One question: if using a single instance without any replica shards (I only use primary):  
Do I have any benefit of following steps compared to just shut down of 5.1.2 and start 6.1.0? Or is it only needed / brings benefit on clusters?

1. Disable shard allocation
2. Stop indexing and perform a synced flush.

Thanks, Andreas

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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:** [February 14, 2018, 1:31pm UTC](https://discuss.elastic.co/t/are-steps-1-and-2-of-migration-guide-needed-on-single-instance/115885/2 "2018-02-14T13:31:15Z")

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Closed on February 14, 2018, 1:31pm UTC

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