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K8s: add supported version note to expand PVC #909

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Nov 22, 2024
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K8s: add supported version note to expand PVC #909

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2 changes: 2 additions & 0 deletions content/operate/kubernetes/re-clusters/expand-pvc.md
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Expand Up @@ -12,6 +12,8 @@ weight: 82

This article outlines steps to increase the size of the persistent volume claim for your Redis Enterprise cluster (REC).

{{<note>}} This feature is only supported in versions 7.4.2-12 and above. {{</note>}}

[PersistentVolumeClaims (PVC)](https://kubernetes.io/docs/concepts/storage/persistent-volumes/#expanding-persistent-volumes-claims) are created by the Redis Enterprise operator and used by the RedisEnterpriseCluster (REC). PVCs are created with a specific size and [can be expanded](https://kubernetes.io/docs/concepts/storage/persistent-volumes/#expanding-persistent-volumes-claims) with the following steps, if the underlying [storage class](https://kubernetes.io/docs/concepts/storage/storage-classes/) supports it.

This process involves deleting and recreating the REC StatefulSet with a larger persistent volume size. The pods owned by the StatefulSet are not restarted or affected by the deletion and recreation process, except when they are left without an owner momentarily.
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