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rbd: add support for rbd striping

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RBD supports creating rbd images with
object size, stripe unit and stripe count
to support striping. This PR adds the support
for the same.

More details about striping at
https://docs.ceph.com/en/quincy/man/8/rbd/#striping

fixes: #3124

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2022-05-24 09:08:42 +05:30
committed by mergify[bot]
parent 8f99fe7250
commit 4b57cc3ec5
7 changed files with 447 additions and 36 deletions
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3
docs/deploy-rbd.md
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@ -66,6 +66,9 @@ 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 |
| `stripeUnit` | no | stripe unit in bytes |
| `stripeCount` | no | objects to stripe over before looping |
| `objectSize` | no | object size in bytes |
**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)