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Storage Protection was renamed to Storage Object in Use Protection #7576

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Mar 3, 2018
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Storage Protection was renamed to Storage Object in Use Protection #7576

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Storage Protection was renamed to Storage Object in Use Protection
Mar 1, 2018
6684ab2
Moved Storage Object in Use Protection admission plugin description d…
Mar 2, 2018
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8 changes: 4 additions & 4 deletions docs/admin/admission-controllers.md
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Expand Up @@ -414,10 +414,6 @@ This admission controller also protects the access to `metadata.ownerReferences[
of an object, so that only users with "update" permission to the `finalizers`
subresource of the referenced *owner* can change it.

### Storage Protection (beta)
{% assign for_k8s_version="v1.10" %}{% include feature-state-beta.md %}
The `StorageProtection` plugin adds the `kubernetes.io/pvc-protection` or `kubernetes.io/pv-protection` finalizers to newly created Persistent Volume Claims (PVCs) or Persistent Volumes (PV). In case a user deletes a PVC or PV the PVC or PV is not removed until the finalizer is removed from the PVC or PV by PVC or PV Protection Controller. Refer to the [PVC Protection](/docs/concepts/storage/persistent-volumes/#persistent-volume-claim-protection) for more detailed information.

### PersistentVolumeLabel (DEPRECATED)

This admission controller automatically attaches region or zone labels to PersistentVolumes
Expand Down Expand Up @@ -570,6 +566,10 @@ This admission controller will deny any pod that attempts to set certain escalat
This admission controller implements automation for [serviceAccounts](/docs/user-guide/service-accounts).
We strongly recommend using this admission controller if you intend to make use of Kubernetes `ServiceAccount` objects.

### Storage Object in Use Protection (beta)
{% assign for_k8s_version="v1.10" %}{% include feature-state-beta.md %}
The `StorageObjectInUseProtection` plugin adds the `kubernetes.io/pvc-protection` or `kubernetes.io/pv-protection` finalizers to newly created Persistent Volume Claims (PVCs) or Persistent Volumes (PV). In case a user deletes a PVC or PV the PVC or PV is not removed until the finalizer is removed from the PVC or PV by PVC or PV Protection Controller. Refer to the [Storage Object in Use Protection](/docs/concepts/storage/persistent-volumes/#storage-object-in-use-protection) for more detailed information.

### ValidatingAdmissionWebhook (alpha in 1.8; beta in 1.9)

This admission controller calls any validating webhooks which match the request. Matching
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6 changes: 3 additions & 3 deletions docs/concepts/storage/persistent-volumes.md
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Expand Up @@ -70,14 +70,14 @@ Pods use claims as volumes. The cluster inspects the claim to find the bound vol

Once a user has a claim and that claim is bound, the bound PV belongs to the user for as long as they need it. Users schedule Pods and access their claimed PVs by including a `persistentVolumeClaim` in their Pod's volumes block. [See below for syntax details](#claims-as-volumes).

### Storage Protection
### Storage Object in Use Protection
{% assign for_k8s_version="v1.10" %}{% include feature-state-beta.md %}
The purpose of the Storage Protection feature is to ensure that Persistent Volume Claims (PVCs) in active use by a pod are not removed from the system as this may result in data loss.
The purpose of the Storage Object in Use Protection feature is to ensure that Persistent Volume Claims (PVCs) in active use by a pod are not removed from the system as this may result in data loss.
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add PV protection description too ?

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@NickrenREN would you mind to add the PV Protection description as you're the author of the source code changes?

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@NickrenREN NickrenREN Mar 2, 2018 •
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@pospispa i will add that in another PR


**Note:** PVC is in active use by a pod when the pod status is `Pending` and the pod is assigned to a node or the pod status is `Running`.
{: .note}

When the [Storage Protection beta feature](/docs/tasks/administer-cluster/pvc-protection/) is enabled, if a user deletes a PVC in active use by a pod, the PVC is not removed immediately. PVC removal is postponed until the PVC is no longer actively used by any pods.
When the [Storage Object in Use Protection beta feature](/docs/tasks/administer-cluster/pvc-protection/) is enabled, if a user deletes a PVC in active use by a pod, the PVC is not removed immediately. PVC removal is postponed until the PVC is no longer actively used by any pods.
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ditto


You can see that a PVC is protected when the PVC's status is `Terminating` and the `Finalizers` list includes `kubernetes.io/pvc-protection`:
```shell
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6 changes: 3 additions & 3 deletions docs/tasks/administer-cluster/pvc-protection.md
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Expand Up @@ -2,7 +2,7 @@
approvers:
- msau42
- jsafrane
title: Storage Protection
title: Storage Object in Use Protection
---

{% capture overview %}
Expand All @@ -14,13 +14,13 @@ Persistent volume claims (PVCs) that are in active use by a pod can be protected

{% capture prerequisites %}

- The Storage Protection feature is enabled in a version of Kubernetes in which it is supported.
- The Storage Object in Use Protection feature is enabled in a version of Kubernetes in which it is supported.

{% endcapture %}

{% capture steps %}

## Storage Protection feature used for PVC Protection
## Storage Object in Use Protection feature used for PVC Protection

The example below uses a GCE PD `StorageClass`, however, similar steps can be performed for any volume type.

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