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Clarify editing PV for volume resize

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Matthew Cary
2021-12-13 10:14:08 -08:00
parent 4f1eea050d
commit 57e72bce9a
1 changed files with 7 additions and 0 deletions
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content/en/docs/concepts/storage/persistent-volumes.md
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@@ -254,6 +254,13 @@ To request a larger volume for a PVC, edit the PVC object and specify a larger
size. This triggers expansion of the volume that backs the underlying PersistentVolume. A size. This triggers expansion of the volume that backs the underlying PersistentVolume. A
new PersistentVolume is never created to satisfy the claim. Instead, an existing volume is resized. new PersistentVolume is never created to satisfy the claim. Instead, an existing volume is resized.
{{< warning >}}
Editing the size of a PersistentVolume can prevent resize of the volume. If the
capacity of a PersistentVolume edited, then the PersistentVolumeClaim size is edited to increase to
the same value, no resize will happen. Kubernetes will think the backing volume has been manually
increased and that no resize is necessary.
{{< /warning >}}
#### CSI Volume expansion #### CSI Volume expansion
{{< feature-state for_k8s_version="v1.16" state="beta" >}} {{< feature-state for_k8s_version="v1.16" state="beta" >}}