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Fix broken link to StatefulSet update strategies in documentation #8084

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Oct 8, 2024
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Fix broken link to StatefulSet update strategies in documentation #8084

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4 changes: 2 additions & 2 deletions docs/orchestrating-elastic-stack-applications/elasticsearch/orchestration.asciidoc
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Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,7 @@ Behind the scenes, ECK translates each NodeSet specified in the Elasticsearch re
* `podTemplate` can be used to <<{p}-customize-pods,customize some aspects of the Elasticsearch Pods>> created by the underlying StatefulSet.
* The StatefulSet name is derived from the Elasticsearch resource name and the NodeSet name. Each Pod in the StatefulSet gets a name generated by suffixing the pod ordinal to the StatefulSet name. Elasticsearch nodes have the same name as the Pod they are running on.

The actual Pod creation is handled by the StatefulSet controller in Kubernetes. ECK relies on the link:https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#on-delete[OnDelete StatefulSet update strategy] since it needs full control over when and how Pods get upgraded to a new revision.
The actual Pod creation is handled by the StatefulSet controller in Kubernetes. ECK relies on the link:https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies[OnDelete StatefulSet update strategy] since it needs full control over when and how Pods get upgraded to a new revision.

When a Pod is removed and recreated (maybe with a newer revision), the StatefulSet controller makes sure that the PersistentVolumes attached to the original Pod are then attached to the new Pod.

Expand Down Expand Up @@ -244,4 +244,4 @@ spec:
version: 7.15.3 # previously set to 7.15.2, for example
```

The ECK operator would allow this upgrade to proceed, even though the cluster was in a "red" state during this upgrade process.
The ECK operator would allow this upgrade to proceed, even though the cluster was in a "red" state during this upgrade process.