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rbd: add support for thick provisioning option

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Add an option to the StorageClass to support creating fully allocated
(thick provisioned) RBD images

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Madhu Rajanna
2020-11-09 14:37:47 +05:30
committed by mergify[bot]
parent 354f395aa1
commit c417a5d0ba
4 changed files with 15 additions and 0 deletions
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docs/deploy-rbd.md
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@ -63,6 +63,7 @@ make image-cephcsi
| `mounter` | no | if set to `rbd-nbd`, use `rbd-nbd` on nodes that have `rbd-nbd` and `nbd` kernel modules to map rbd images |
| `encrypted` | no | disabled by default, use `"true"` to enable LUKS encryption on PVC and `"false"` to disable it. **Do not change for existing storageclasses** |
| `encryptionKMSID` | no | required if encryption is enabled and a kms is used to store passphrases |
| `thickProvision` | no | if set to `"true"`, newly created RBD images will be completely allocated by writing zeros to it |
**NOTE:** An accompanying CSI configuration file, needs to be provided to the
running pods. Refer to [Creating CSI configuration](../examples/README.md#creating-csi-configuration)