diff --git a/charts/ceph-csi-rbd/README.md b/charts/ceph-csi-rbd/README.md
index fb171b23da6..bb654e532a6 100644
--- a/charts/ceph-csi-rbd/README.md
+++ b/charts/ceph-csi-rbd/README.md
@@ -111,6 +111,7 @@ charts and their default values.
 | `provisioner.minSnapshotsOnImage`              | Minimum number of snapshots allowed on rbd image to trigger flattening                                                                               | `250`                                              |
 | `provisioner.skipForceFlatten`                 | Skip image flattening if kernel support mapping of rbd images which has the deep-flatten feature                                                     | `false`                                            |
 | `provisioner.timeout`                          | GRPC timeout for waiting for creation or deletion of a volume                                                                                        | `60s`                                              |
+| `provisioner.clustername`                      | Cluster name to set on the RBD image                                                                                                                 | ""                                                 |
 | `provisioner.priorityClassName`                | Set user created priorityclassName for csi provisioner pods. Default is `system-cluster-critical` which is less priority than `system-node-critical` | `system-cluster-critical`                          |
 | `provisioner.profiling.enabled`                | Specifies whether profiling should be enabled                                                                                                        | `false`                                            |
 | `provisioner.provisioner.image.repository`     | Specifies the csi-provisioner image repository URL                                                                                                   | `registry.k8s.io/sig-storage/csi-provisioner`           |
diff --git a/docs/deploy-rbd.md b/docs/deploy-rbd.md
index 0c90bf6445e..757969967a4 100644
--- a/docs/deploy-rbd.md
+++ b/docs/deploy-rbd.md
@@ -40,6 +40,7 @@ make image-cephcsi
 | `--enablegrpcmetrics`    | `false`                       | [Deprecated] Enable grpc metrics collection  and start prometheus server                                                                                                                                                                                                             |
 | `--polltime`             | `"60s"`                       | Time interval in between each poll                                                                                                                                                                                                                                                   |
 | `--timeout`              | `"3s"`                        | Probe timeout in seconds                                                                                                                                                                                                                                                             |
+| `--clustername`          | _empty_                       | Cluster name to set on RBD image                                                                                                                                                                                                                                                     |
 | `--histogramoption`      | `0.5,2,6`                     | [Deprecated] Histogram option for grpc metrics, should be comma separated value (ex:= "0.5,2,6" where start=0.5 factor=2, count=6)                                                                                                                                                   |
 | `--domainlabels`         | _empty_                       | Kubernetes node labels to use as CSI domain labels for topology aware provisioning, should be a comma separated value (ex:= "failure-domain/region,failure-domain/zone")                                                                                                             |
 | `--rbdhardmaxclonedepth` | `8`                           | Hard limit for maximum number of nested volume clones that are taken before a flatten occurs                                                                                                                                                                                         |