Need guidance on upgrading production elastic stack

Elastic Stack Elasticsearch
1

Hi All,

I want to upgrade my ELK version in production. Below are the details -

Current Version: 7.11.1

Elasticsearch Node - 3

Dedicated VMs for Kibana and Logstash

OS - Ubuntu

Please guide me to upgrade the stack. Need inputs on the below -

1. What precautions should I take before the upgrade?

2. Necessary steps 

3. Any specific pointers that I should take care of while upgrading?

4. Any other

Please let me know if you need any other details.

Thanks
Souvik

2

Have you looked at the official documentation? If so, are there anything in particular around these instructions that is not clear?

3

thank you so much for the link @Christian_Dahlqvist , let me check and get back to you if I find any.

4

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