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[docs] Updating Kubernetes upgrade instruction #25286

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[docs] Updating Kubernetes upgrade instruction #25286

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ecae6bb
[docs] Updating kubernetes upgrade instruction
framsouza Feb 8, 2024
579d3f9
Fixing code block
framsouza Feb 8, 2024
47db805
Merge branch 'main' into docs-fix-k8s-upgrade
peteski22 Mar 13, 2024
4cb538c
Update website/content/docs/platform/k8s/helm/run.mdx
framsouza Apr 16, 2024
88fc01c
Merge branch 'main' into docs-fix-k8s-upgrade
framsouza Apr 16, 2024
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5 changes: 4 additions & 1 deletion website/content/docs/platform/k8s/helm/run.mdx
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Expand Up @@ -436,7 +436,10 @@ running:
$ kubectl delete pod <name of Vault pod>
```

If Vault is deployed using `ha` mode, the standby pods must be upgraded first.
If Vault is deployed using `ha` mode, the standby pods must be upgraded first. Before deleting the pod, make sure to remove the node from the raft by running `vault operator raft remove-peer <server_id>`. To confirm that the node has been successfully removed from Raft, you can run vault operator raft list-peers. Only after confirming the removal should you delete the pod.

> If you remove the pod directly without properly removing the node from the cluster, Raft will be unaware of the correct number of nodes in the cluster. This can trigger a leader election, potentially causing downtime.
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Vault has K8s service discovery built in (when enabled in the server configuration) and
will automatically change the labels of the pod with its current leader status. These labels
can be used to filter the pods.
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