diff --git a/storage_controller/src/service.rs b/storage_controller/src/service.rs
index e4e906dbdb..88b7ff5144 100644
--- a/storage_controller/src/service.rs
+++ b/storage_controller/src/service.rs
@@ -8890,10 +8890,11 @@ impl Service {
         // to not stall the operation when a cold secondary is encountered.
         const SECONDARY_WARMUP_TIMEOUT: Duration = Duration::from_secs(30);
         const SECONDARY_DOWNLOAD_REQUEST_TIMEOUT: Duration = Duration::from_secs(5);
-        let reconciler_config = ReconcilerConfigBuilder::new(ReconcilerPriority::Normal)
-            .secondary_warmup_timeout(SECONDARY_WARMUP_TIMEOUT)
-            .secondary_download_request_timeout(SECONDARY_DOWNLOAD_REQUEST_TIMEOUT)
-            .build();
+        let reconciler_config: ReconcilerConfig =
+            ReconcilerConfigBuilder::new(ReconcilerPriority::Normal)
+                .secondary_warmup_timeout(SECONDARY_WARMUP_TIMEOUT)
+                .secondary_download_request_timeout(SECONDARY_DOWNLOAD_REQUEST_TIMEOUT)
+                .build();
 
         let mut waiters = Vec::new();
 
@@ -9072,10 +9073,10 @@ impl Service {
 
     async fn drain_secondary_attachments(
         self: &Arc<Self>,
-        node_id: NodeId,
-        cancel: CancellationToken,
+        _node_id: NodeId,
+        _cancel: CancellationToken,
     ) -> Result<(), OperationError> {
-        unimplemented!();
+        Ok(())
     }
 
     /// Create a node fill plan (pick secondaries to promote), based on:
diff --git a/test_runner/fixtures/neon_fixtures.py b/test_runner/fixtures/neon_fixtures.py
index 5223e34baf..05fc5edae2 100644
--- a/test_runner/fixtures/neon_fixtures.py
+++ b/test_runner/fixtures/neon_fixtures.py
@@ -2062,11 +2062,16 @@ class NeonStorageController(MetricsGetter, LogUtils):
             headers=self.headers(TokenScope.ADMIN),
         )
 
-    def node_drain(self, node_id):
-        log.info(f"node_drain({node_id})")
+    def node_drain(self, node_id: int, drain_all: bool | None = None):
+        log.info(f"node_drain({node_id}, drain_all={drain_all})")
+
+        url = f"{self.api}/control/v1/node/{node_id}/drain"
+        if drain_all is not None:
+            url += f"?drain_all={str(drain_all).lower()}"
+
         self.request(
             "PUT",
-            f"{self.api}/control/v1/node/{node_id}/drain",
+            url,
             headers=self.headers(TokenScope.INFRA),
         )
 
diff --git a/test_runner/regress/test_storage_controller.py b/test_runner/regress/test_storage_controller.py
index 8f3aa010e3..c7d412ba3d 100644
--- a/test_runner/regress/test_storage_controller.py
+++ b/test_runner/regress/test_storage_controller.py
@@ -3093,6 +3093,70 @@ def test_storage_controller_ps_restarted_during_drain(neon_env_builder: NeonEnvB
     wait_until(reconfigure_node_again)
 
 
+def test_drain_with_secondary_locations(neon_env_builder: NeonEnvBuilder):
+    neon_env_builder.num_pageservers = 4
+
+    env = neon_env_builder.init_configs()
+    env.start()
+
+    def get_pageserver_tenant_shards(node_id):
+        ps = env.get_pageserver(node_id)
+        locations = ps.http_client().tenant_list_locations()["tenant_shards"]
+        ret = []
+        for loc in locations:
+            ret.append(
+                {
+                    "tenant_shard_id": TenantShardId.parse(loc[0]),
+                    "mode": loc[1]["mode"],
+                }
+            )
+        return ret
+
+    def log_pageservers_state():
+        for ps in env.pageservers:
+            for tenant_shard in get_pageserver_tenant_shards(ps.id):
+                tenant_shard_id = tenant_shard["tenant_shard_id"]
+                mode = tenant_shard["mode"]
+                log.info(f"[PS {ps.id}] Seen {tenant_shard_id} in mode {mode}")
+
+    tenants = {}  # id → shard_count
+    for shard_count in [1, 2, 4, 8]:
+        id, _ = env.create_tenant(shard_count=shard_count, placement_policy='{"Attached": 1}')
+        tenants[id] = shard_count
+
+    log.info("Pageservers before reconcilation:")
+    log_pageservers_state()
+
+    env.storage_controller.reconcile_until_idle()
+
+    log.info("Pageservers before drain:")
+    log_pageservers_state()
+
+    node_id = env.pageservers[0].id
+
+    env.storage_controller.warm_up_all_secondaries()
+    env.storage_controller.retryable_node_operation(
+        lambda ps_id: env.storage_controller.node_drain(ps_id, drain_all=True),
+        node_id,
+        max_attempts=3,
+        backoff=2,
+    )
+
+    env.storage_controller.poll_node_status(
+        node_id,
+        PageserverAvailability.ACTIVE,
+        PageserverSchedulingPolicy.PAUSE_FOR_RESTART,
+        max_attempts=6,
+        backoff=5,
+    )
+
+    log.info("Pageservers after drain:")
+    log_pageservers_state()
+
+    shards = get_pageserver_tenant_shards(node_id)
+    assert shards == []
+
+
 def test_ps_unavailable_after_delete(neon_env_builder: NeonEnvBuilder):
     neon_env_builder.num_pageservers = 3