Backups of Nodes?

Elastic Stack Elasticsearch
1

If I have a cluster of 3 Nodes, primaries and replicas distributed, and I
would like to back up the data on S3 for instance, do I have to backup all
3 nodes? Can someone elaborate?
What if all my nodes are in the same geographical zone, and the whole zone
is down?

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2

If you are using ES 1.x, you can use the snapshot restore API. Quick
instructions:

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3

I would like to understand how it works, is there any explanation on how
this works, the link seems like just a setup.

On Tuesday, April 1, 2014 11:38:45 AM UTC-4, Binh Ly wrote:

If you are using ES 1.x, you can use the snapshot restore API. Quick
instructions:

Elasticsearch S3 Snapshot/Restore · GitHub

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4

These might be useful:

http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/modules-snapshots.html

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