diff --git a/deploy/helm/hbase-operator/crds/crds.yaml b/deploy/helm/hbase-operator/crds/crds.yaml
index 1e34b8f2..6a76344a 100644
--- a/deploy/helm/hbase-operator/crds/crds.yaml
+++ b/deploy/helm/hbase-operator/crds/crds.yaml
@@ -725,13 +725,17 @@ spec:
                               type: boolean
                           type: object
                         regionMover:
+                          default:
+                            ack: null
+                            maxThreads: null
+                            runBeforeShutdown: null
                           description: Before terminating a region server pod, the RegionMover tool can be invoked to transfer local regions to other servers. This may cause a lot of network traffic in the Kubernetes cluster if the entire HBase stacklet is being restarted. The operator will compute a timeout period for the region move that will not exceed the graceful shutdown timeout.
-                          nullable: true
                           properties:
                             ack:
                               description: If enabled (default), the region mover will confirm that regions are available on the source as well as the target pods before and after the move.
+                              nullable: true
                               type: boolean
-                            extraOpts:
+                            additionalMoverOptions:
                               default: []
                               description: Additional options to pass to the region mover.
                               items:
@@ -741,14 +745,12 @@ spec:
                               description: Maximum number of threads to use for moving regions.
                               format: uint16
                               minimum: 0.0
+                              nullable: true
                               type: integer
                             runBeforeShutdown:
                               description: Move local regions to other servers before terminating a region server's pod.
+                              nullable: true
                               type: boolean
-                          required:
-                            - ack
-                            - maxThreads
-                            - runBeforeShutdown
                           type: object
                         resources:
                           default:
@@ -974,13 +976,17 @@ spec:
                                     type: boolean
                                 type: object
                               regionMover:
+                                default:
+                                  ack: null
+                                  maxThreads: null
+                                  runBeforeShutdown: null
                                 description: Before terminating a region server pod, the RegionMover tool can be invoked to transfer local regions to other servers. This may cause a lot of network traffic in the Kubernetes cluster if the entire HBase stacklet is being restarted. The operator will compute a timeout period for the region move that will not exceed the graceful shutdown timeout.
-                                nullable: true
                                 properties:
                                   ack:
                                     description: If enabled (default), the region mover will confirm that regions are available on the source as well as the target pods before and after the move.
+                                    nullable: true
                                     type: boolean
-                                  extraOpts:
+                                  additionalMoverOptions:
                                     default: []
                                     description: Additional options to pass to the region mover.
                                     items:
@@ -990,14 +996,12 @@ spec:
                                     description: Maximum number of threads to use for moving regions.
                                     format: uint16
                                     minimum: 0.0
+                                    nullable: true
                                     type: integer
                                   runBeforeShutdown:
                                     description: Move local regions to other servers before terminating a region server's pod.
+                                    nullable: true
                                     type: boolean
-                                required:
-                                  - ack
-                                  - maxThreads
-                                  - runBeforeShutdown
                                 type: object
                               resources:
                                 default:
diff --git a/docs/modules/hbase/pages/usage-guide/operations/graceful-shutdown.adoc b/docs/modules/hbase/pages/usage-guide/operations/graceful-shutdown.adoc
index d9c2b9c2..f58191f2 100644
--- a/docs/modules/hbase/pages/usage-guide/operations/graceful-shutdown.adoc
+++ b/docs/modules/hbase/pages/usage-guide/operations/graceful-shutdown.adoc
@@ -41,7 +41,7 @@ spec:
         runBeforeShutdown: true # <1>
         maxThreads: 5 # <2>
         ack: false # <3>
-        extraOpts: ["--designatedFile", "/path/to/designatedFile"] # <4>
+        additionalMoverOptions: ["--designatedFile", "/path/to/designatedFile"] # <4>
 ----
 <1>: Run the region mover tool before shutting down the region server. Default is `false`.
 <2>: Maximum number of threads to use for moving regions. Default is 1.
diff --git a/rust/crd/src/lib.rs b/rust/crd/src/lib.rs
index 44b9c07b..b1614cd3 100644
--- a/rust/crd/src/lib.rs
+++ b/rust/crd/src/lib.rs
@@ -534,17 +534,17 @@ pub struct RegionMover {
     /// source as well as the target pods before and after the move.
     ack: Option<bool>,
 
-    /// Additional options to pass to the region mover.
-    #[serde(default)]
-    extra_opts: Option<RegionMoverExtraCliOpts>,
+    #[fragment_attrs(serde(flatten))]
+    cli_opts: Option<RegionMoverExtraCliOpts>,
 }
 
 #[derive(Clone, Debug, Eq, Deserialize, JsonSchema, PartialEq, Serialize)]
 #[serde(rename_all = "camelCase")]
 #[schemars(deny_unknown_fields)]
 pub struct RegionMoverExtraCliOpts {
-    #[serde(flatten)]
-    pub cli_opts: Vec<String>,
+    /// Additional options to pass to the region mover.
+    #[serde(default)]
+    pub additional_mover_options: Vec<String>,
 }
 
 impl Atomic for RegionMoverExtraCliOpts {}
@@ -555,7 +555,7 @@ impl Default for RegionMover {
             run_before_shutdown: Some(false),
             max_threads: Some(1),
             ack: Some(true),
-            extra_opts: None,
+            cli_opts: None,
         }
     }
 }
@@ -595,6 +595,7 @@ pub struct RegionServerConfig {
     /// This may cause a lot of network traffic in the Kubernetes cluster if the entire HBase stacklet is being
     /// restarted.
     /// The operator will compute a timeout period for the region move that will not exceed the graceful shutdown timeout.
+    #[fragment_attrs(serde(default))]
     pub region_mover: RegionMover,
 }
 
@@ -1170,9 +1171,9 @@ impl AnyServiceConfig {
                     command.extend(
                         config
                             .region_mover
-                            .extra_opts
+                            .cli_opts
                             .iter()
-                            .flat_map(|o| o.cli_opts.clone())
+                            .flat_map(|o| o.additional_mover_options.clone())
                             .map(|s| escape(std::borrow::Cow::Borrowed(&s)).to_string()),
                     );
                     command.join(" ")