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Added a note about stopping resize for raw block devices
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gnufied committed Aug 26, 2017
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3 changes: 2 additions & 1 deletion contributors/design-proposals/grow-volume-size.md
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Expand Up @@ -36,7 +36,6 @@ Enable users to increase size of PVs that their pods are using. The user will up
| NFS | No | No | No |
| Flex | Yes | Maybe | No |
| LocalStorage | Yes | Yes | No |
| Block device | Yes | No | No |


## Implementation Design
Expand All @@ -54,6 +53,7 @@ For volume types that only require volume plugin based api call, this will be on
can be validated by node authorizer.
* This feature will be protected by an alpha feature gate, so as API changes needed for it.


### Admission Control and Validations

* Resource quota code has to be updated to take into account PVC expand feature.
Expand All @@ -62,6 +62,7 @@ For volume types that only require volume plugin based api call, this will be on
* Not all PVCs will be resizable even if underlying volume plugin allows that. Only dynamically provisioned volumes
which are explicitly enabled by an admin will be allowed to be resized. A plugin in admission controller will forbid
size update for PVCs for which resizing is not enabled by the admin.
* The design proposal for raw block devices should make sure that, users aren't able to resize raw block devices.


### Controller Manager resize
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