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Adding review changes from PR 15604 #16237

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Oct 14, 2019
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Adding review changes from PR 15604 #16237

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adding review changes from PR 15604
savitharaghunathan Sep 5, 2019
eeb06b1
adding review changes
savitharaghunathan Oct 7, 2019
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adding review changes
savitharaghunathan Oct 8, 2019
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29 changes: 18 additions & 11 deletions content/en/docs/concepts/storage/storage-classes.md
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Expand Up @@ -121,19 +121,26 @@ allows the users to resize the volume by editing the corresponding PVC object.
The following types of volumes support volume expansion, when the underlying
Storage Class has the field `allowVolumeExpansion` set to true.

* gcePersistentDisk
* awsElasticBlockStore
* Cinder
* glusterfs
* rbd
* Azure File
* Azure Disk
* Portworx
* FlexVolumes
* CSI {{< feature-state for_k8s_version="v1.14" state="alpha" >}}
{{< table caption = "Table of Volume types and the version of Kubernetes they require" >}}

Volume type | Required Kubernetes version
:---------- | :--------------------------
gcePersistentDisk | 1.11
awsElasticBlockStore | 1.11
Cinder | 1.11
glusterfs | 1.11
rbd | 1.11
Azure File | 1.11
Azure Disk | 1.11
Portworx | 1.11
FlexVolume | 1.13
CSI | 1.14 (alpha), 1.16 (beta)

{{< /table >}}


{{< note >}}
This feature cannot be used to shrink volumes.
You can only use the volume expansion feature to grow a Volume, not to shrink it.
{{< /note >}}

### Mount Options
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