src/api/admin/cluster.rs

@@ -240,6 +240,7 @@ pub async fn handle_update_cluster_layout(
 			.merge(&roles.update_mutator(node, layout::NodeRoleV(new_role)));
 	}
 
+	layout.update_hashes();
 	garage
 		.system
 		.layout_manager

src/garage/cli/layout.rs

@@ -329,8 +329,9 @@ pub async fn fetch_layout(
 pub async fn send_layout(
 	rpc_cli: &Endpoint<SystemRpc, ()>,
 	rpc_host: NodeID,
-	layout: LayoutHistory,
+	mut layout: LayoutHistory,
 ) -> Result<(), Error> {
+	layout.update_hashes();
 	rpc_cli
 		.call(
 			&rpc_host,

src/rpc/layout/history.rs

@@ -40,7 +40,7 @@ impl LayoutHistory {
 			.collect::<HashSet<_>>()
 	}
 
-	pub(crate) fn update_hashes(&mut self) {
+	pub fn update_hashes(&mut self) {
 		self.trackers_hash = self.calculate_trackers_hash();
 		self.staging_hash = self.calculate_staging_hash();
 	}