diff --git a/crates/ecstore/src/bucket/mod.rs b/crates/ecstore/src/bucket/mod.rs
index 44aa3f5c7..54e6ae834 100644
--- a/crates/ecstore/src/bucket/mod.rs
+++ b/crates/ecstore/src/bucket/mod.rs
@@ -16,9 +16,12 @@ pub mod bandwidth;
 pub mod bucket_target_sys;
 pub mod error;
 pub mod lifecycle;
+#[path = "../metadata/bucket.rs"]
 pub mod metadata;
+#[path = "../metadata/bucket_sys.rs"]
 pub mod metadata_sys;
 #[cfg(test)]
+#[path = "../metadata/bucket_test.rs"]
 mod metadata_test;
 pub mod migration;
 mod msgp_decode;
diff --git a/crates/ecstore/src/cluster/mod.rs b/crates/ecstore/src/cluster/mod.rs
index d44510e38..98ff9084b 100644
--- a/crates/ecstore/src/cluster/mod.rs
+++ b/crates/ecstore/src/cluster/mod.rs
@@ -13,6 +13,7 @@
 // limitations under the License.
 
 mod control_plane;
+pub(crate) mod rpc;
 
 pub use control_plane::{
     ClusterControlPlane, ClusterControlPlaneSnapshot, ClusterDriveMembership, ClusterEndpointType, ClusterLocalNodeStorage,
diff --git a/crates/ecstore/src/rpc/client.rs b/crates/ecstore/src/cluster/rpc/client.rs
similarity index 100%
rename from crates/ecstore/src/rpc/client.rs
rename to crates/ecstore/src/cluster/rpc/client.rs
diff --git a/crates/ecstore/src/rpc/context_propagation.rs b/crates/ecstore/src/cluster/rpc/context_propagation.rs
similarity index 100%
rename from crates/ecstore/src/rpc/context_propagation.rs
rename to crates/ecstore/src/cluster/rpc/context_propagation.rs
diff --git a/crates/ecstore/src/rpc/http_auth.rs b/crates/ecstore/src/cluster/rpc/http_auth.rs
similarity index 100%
rename from crates/ecstore/src/rpc/http_auth.rs
rename to crates/ecstore/src/cluster/rpc/http_auth.rs
diff --git a/crates/ecstore/src/rpc/internode_data_transport.rs b/crates/ecstore/src/cluster/rpc/internode_data_transport.rs
similarity index 100%
rename from crates/ecstore/src/rpc/internode_data_transport.rs
rename to crates/ecstore/src/cluster/rpc/internode_data_transport.rs
diff --git a/crates/ecstore/src/cluster/rpc/mod.rs b/crates/ecstore/src/cluster/rpc/mod.rs
new file mode 100644
index 000000000..b7e860bcb
--- /dev/null
+++ b/crates/ecstore/src/cluster/rpc/mod.rs
@@ -0,0 +1,38 @@
+// Copyright 2024 RustFS Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub(crate) mod client;
+pub(crate) mod context_propagation;
+pub(crate) mod http_auth;
+pub(crate) mod internode_data_transport;
+pub(crate) mod peer_rest_client;
+pub(crate) mod peer_s3_client;
+pub(crate) mod remote_disk;
+pub(crate) mod remote_locker;
+pub(crate) mod runtime_sources;
+
+pub use client::{
+    TonicInterceptor, gen_tonic_signature_interceptor, node_service_time_out_client, node_service_time_out_client_no_auth,
+};
+pub use http_auth::{TONIC_RPC_PREFIX, build_auth_headers, gen_signature_headers, verify_rpc_signature};
+#[cfg(test)]
+pub(crate) use internode_data_transport::TcpHttpInternodeDataTransport;
+pub use internode_data_transport::build_internode_data_transport_from_env;
+pub use peer_rest_client::{
+    PEER_RESTSIGNAL, PEER_RESTSUB_SYS, PeerRestClient, SERVICE_SIGNAL_REFRESH_CONFIG, SERVICE_SIGNAL_RELOAD_DYNAMIC,
+};
+pub(crate) use peer_s3_client::heal_bucket_local_on_disks;
+pub use peer_s3_client::{LocalPeerS3Client, PeerS3Client, S3PeerSys};
+pub use remote_disk::RemoteDisk;
+pub use remote_locker::RemoteClient;
diff --git a/crates/ecstore/src/rpc/peer_rest_client.rs b/crates/ecstore/src/cluster/rpc/peer_rest_client.rs
similarity index 100%
rename from crates/ecstore/src/rpc/peer_rest_client.rs
rename to crates/ecstore/src/cluster/rpc/peer_rest_client.rs
diff --git a/crates/ecstore/src/rpc/peer_s3_client.rs b/crates/ecstore/src/cluster/rpc/peer_s3_client.rs
similarity index 100%
rename from crates/ecstore/src/rpc/peer_s3_client.rs
rename to crates/ecstore/src/cluster/rpc/peer_s3_client.rs
diff --git a/crates/ecstore/src/rpc/remote_disk.rs b/crates/ecstore/src/cluster/rpc/remote_disk.rs
similarity index 100%
rename from crates/ecstore/src/rpc/remote_disk.rs
rename to crates/ecstore/src/cluster/rpc/remote_disk.rs
diff --git a/crates/ecstore/src/rpc/remote_locker.rs b/crates/ecstore/src/cluster/rpc/remote_locker.rs
similarity index 100%
rename from crates/ecstore/src/rpc/remote_locker.rs
rename to crates/ecstore/src/cluster/rpc/remote_locker.rs
diff --git a/crates/ecstore/src/rpc/runtime_sources.rs b/crates/ecstore/src/cluster/rpc/runtime_sources.rs
similarity index 100%
rename from crates/ecstore/src/rpc/runtime_sources.rs
rename to crates/ecstore/src/cluster/rpc/runtime_sources.rs
diff --git a/crates/ecstore/src/bucket/metadata.rs b/crates/ecstore/src/metadata/bucket.rs
similarity index 100%
rename from crates/ecstore/src/bucket/metadata.rs
rename to crates/ecstore/src/metadata/bucket.rs
diff --git a/crates/ecstore/src/bucket/metadata_sys.rs b/crates/ecstore/src/metadata/bucket_sys.rs
similarity index 100%
rename from crates/ecstore/src/bucket/metadata_sys.rs
rename to crates/ecstore/src/metadata/bucket_sys.rs
diff --git a/crates/ecstore/src/bucket/metadata_test.rs b/crates/ecstore/src/metadata/bucket_test.rs
similarity index 100%
rename from crates/ecstore/src/bucket/metadata_test.rs
rename to crates/ecstore/src/metadata/bucket_test.rs
diff --git a/crates/ecstore/src/set_disk/metadata.rs b/crates/ecstore/src/metadata/set_disk.rs
similarity index 100%
rename from crates/ecstore/src/set_disk/metadata.rs
rename to crates/ecstore/src/metadata/set_disk.rs
diff --git a/crates/ecstore/src/rpc/mod.rs b/crates/ecstore/src/rpc/mod.rs
index 623cae896..3c9d686b2 100644
--- a/crates/ecstore/src/rpc/mod.rs
+++ b/crates/ecstore/src/rpc/mod.rs
@@ -12,27 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-mod client;
-mod context_propagation;
-mod http_auth;
-mod internode_data_transport;
-mod peer_rest_client;
-mod peer_s3_client;
-mod remote_disk;
-mod remote_locker;
-mod runtime_sources;
-
-pub use client::{
-    TonicInterceptor, gen_tonic_signature_interceptor, node_service_time_out_client, node_service_time_out_client_no_auth,
-};
-pub use http_auth::{TONIC_RPC_PREFIX, build_auth_headers, gen_signature_headers, verify_rpc_signature};
 #[cfg(test)]
-pub(crate) use internode_data_transport::TcpHttpInternodeDataTransport;
-pub use internode_data_transport::build_internode_data_transport_from_env;
-pub use peer_rest_client::{
-    PEER_RESTSIGNAL, PEER_RESTSUB_SYS, PeerRestClient, SERVICE_SIGNAL_REFRESH_CONFIG, SERVICE_SIGNAL_RELOAD_DYNAMIC,
+pub(crate) use crate::cluster::rpc::TcpHttpInternodeDataTransport;
+pub(crate) use crate::cluster::rpc::heal_bucket_local_on_disks;
+pub use crate::cluster::rpc::{
+    LocalPeerS3Client, PEER_RESTSIGNAL, PEER_RESTSUB_SYS, PeerRestClient, PeerS3Client, RemoteClient, RemoteDisk, S3PeerSys,
+    SERVICE_SIGNAL_REFRESH_CONFIG, SERVICE_SIGNAL_RELOAD_DYNAMIC, TONIC_RPC_PREFIX, TonicInterceptor, build_auth_headers,
+    build_internode_data_transport_from_env, gen_signature_headers, gen_tonic_signature_interceptor,
+    node_service_time_out_client, node_service_time_out_client_no_auth, verify_rpc_signature,
 };
-pub(crate) use peer_s3_client::heal_bucket_local_on_disks;
-pub use peer_s3_client::{LocalPeerS3Client, PeerS3Client, S3PeerSys};
-pub use remote_disk::RemoteDisk;
-pub use remote_locker::RemoteClient;
+pub(crate) use crate::cluster::rpc::{client, context_propagation, internode_data_transport, runtime_sources};
diff --git a/crates/ecstore/src/set_disk/mod.rs b/crates/ecstore/src/set_disk/mod.rs
index 1e93d8fc2..1cdbcd77f 100644
--- a/crates/ecstore/src/set_disk/mod.rs
+++ b/crates/ecstore/src/set_disk/mod.rs
@@ -303,6 +303,7 @@ static OBJECT_LOCK_DIAG_ENABLED: OnceLock<bool> = OnceLock::new();
 mod heal;
 mod list;
 mod lock;
+#[path = "../metadata/set_disk.rs"]
 mod metadata;
 mod multipart;
 mod read;
diff --git a/docs/architecture/migration-progress.md b/docs/architecture/migration-progress.md
index a8652037d..a0b4c4a55 100644
--- a/docs/architecture/migration-progress.md
+++ b/docs/architecture/migration-progress.md
@@ -5,18 +5,20 @@ Status values: `[ ]` not started, `[~]` in progress, `[x]` complete, `[!]` block
 ## Current Context
 
 - Issue: [`rustfs/backlog#660`](https://github.com/rustfs/backlog/issues/660)
-- Branch: `overtrue/arch-ecstore-cluster-control-plane-layout`
+- Branch: `overtrue/arch-ecstore-cluster-rpc-metadata-layout`
 - Baseline: completed `C-011/C-012/C-013/API-055/API-059/API-079/API-080/API-081/API-082/API-083/API-084/API-085/API-086/API-087/API-088/API-089/API-090/API-091/API-092/API-093/API-094/API-095/API-096/API-097/API-098/API-099/API-100/API-101/API-102/API-103/API-104/API-105/API-106/API-107/API-108/API-109/API-110/API-111/API-112/API-113/API-114/API-115/API-116/API-117/API-118/API-119/API-120/API-121/API-122/API-123/API-124/API-125/API-126/API-127/API-128/API-129/API-130/API-131/API-132/API-133/API-134/API-135/API-136/API-137/API-138/API-139/API-140/API-141/API-142/API-143/API-144/API-145/API-146/API-147/API-148/API-149/API-150/API-151/API-152/API-153/API-154/API-155/API-156/API-157/API-158/API-159/API-160/API-161/API-162/API-163/API-164/API-165/API-166/API-167/API-168/API-169/API-170/API-171/API-172/API-173/API-174/API-175/API-176/API-177/API-178/API-179/API-180/API-181/API-182/API-183/API-184/API-185/API-186/API-187/API-188/API-189/API-190/API-191/API-192/API-193/API-194/API-195/API-196/API-197/API-198/API-199/API-200/API-201/API-202/API-203/API-204/API-205/API-206/API-207/API-208/API-209/API-210/API-211/API-212/API-213/API-214/API-215/API-216/API-217/API-218/API-219/API-220/API-221/API-222/API-223/API-224/API-225/API-226/API-227/API-228/API-229/API-230/API-231/API-232/API-233/API-234/API-235/API-236/API-237/API-238/API-239/API-240/API-241/API-242/API-243/API-244/API-245/API-246/API-247/API-248/API-249/API-250/API-251/API-252/API-253/API-254/CTX-002`.
 - Current baseline also includes API-255 from PR #3923, API-256 from PR
   #3925, and CFG-009 from PR #3927.
-- Current phase PR: E-028/E-CLUSTER-001 ECStore cluster control-plane owner layout.
-- Based on: E-027 branch while PR #3930 is pending; rebase onto `origin/main`
-  after E-017 through E-027 merge before opening this PR.
+- Current phase PR: E-029/E-030 ECStore cluster RPC and metadata owner layout.
+- Based on: E-028 batch branch while PR #3931 is pending; rebase onto
+  `origin/main` after E-019 through E-028 merge before opening this PR.
 - PR type for this branch: `pure-move`.
-- Runtime behavior changes: none expected for E-028; production changes are a
-  module file move that keeps the existing `cluster` facade paths.
-- Rust code changes: move ECStore cluster control-plane implementation under
-  the `cluster/control_plane` owner module without function-body changes.
+- Runtime behavior changes: none expected for E-029/E-030; production changes
+  are module file moves that keep the existing `rpc`, `bucket::metadata`,
+  `bucket::metadata_sys`, and `set_disk::metadata` facade paths.
+- Rust code changes: move ECStore RPC implementation files under the
+  `cluster/rpc` owner directory and move bucket/set-disk metadata support files
+  under the `metadata` owner directory without function-body changes.
 - CI/script changes: reject restoring ECStore root `store.rs`, `set_disk.rs`,
   `store_list_objects.rs`, `store_utils.rs`, `store_init.rs`,
   `disks_layout.rs`, `endpoints.rs`, `storage_api_contracts.rs`,
@@ -25,7 +27,10 @@ Status values: `[ ]` not started, `[~]` in progress, `[x]` complete, `[!]` block
   `data_movement_backpressure.rs`, `admin_server_info.rs`, `data_usage.rs`,
   `get_diagnostics.rs`, `global.rs`, `runtime_sources.rs`, `bitrot.rs`,
   `compress.rs`, `rio.rs`, `error.rs`, `rebalance.rs`, `pools.rs`,
-  `sets.rs`, `pools_test.rs`, or `store_test.rs`;
+  `sets.rs`, `pools_test.rs`, or `store_test.rs`, keep the ECStore cluster root
+  module as a re-export-only owner facade, reject restoring ECStore root RPC
+  support files, keep the ECStore root RPC module as a re-export-only facade,
+  and reject restoring old bucket/set-disk metadata owner paths;
   lock completed config model ownership against restoring
   old `rustfs_ecstore::config` model/accessor compatibility paths, and lock
   ECStore public facades against re-exporting the moved server-config symbols;
@@ -70,8 +75,10 @@ Status values: `[ ]` not started, `[~]` in progress, `[x]` complete, `[!]` block
   root runtime global modules after E-024, and reject restoring ECStore root
   I/O support modules after E-025, and reject restoring ECStore root error and
   rebalance facade modules after E-026, and reject restoring ECStore root core
-  runtime/test modules after E-027, and keep the ECStore cluster root module as
-  a re-export-only owner facade after E-028.
+  runtime/test modules after E-027, keep the ECStore cluster root module as a
+  re-export-only owner facade after E-028, reject restoring ECStore root RPC
+  support files after E-029, and reject restoring old bucket/set-disk metadata
+  owner paths after E-030.
 
 ## Phase 0 Tasks
 
diff --git a/scripts/check_architecture_migration_rules.sh b/scripts/check_architecture_migration_rules.sh
index 4c784d147..de2ca31f1 100755
--- a/scripts/check_architecture_migration_rules.sh
+++ b/scripts/check_architecture_migration_rules.sh
@@ -141,6 +141,9 @@ ECSTORE_ROOT_IO_SUPPORT_MODULE_HITS_FILE="${TMP_DIR}/ecstore_root_io_support_mod
 ECSTORE_ROOT_ERROR_REBALANCE_MODULE_HITS_FILE="${TMP_DIR}/ecstore_root_error_rebalance_module_hits.txt"
 ECSTORE_ROOT_CORE_RUNTIME_MODULE_HITS_FILE="${TMP_DIR}/ecstore_root_core_runtime_module_hits.txt"
 ECSTORE_CLUSTER_ROOT_IMPL_HITS_FILE="${TMP_DIR}/ecstore_cluster_root_impl_hits.txt"
+ECSTORE_ROOT_RPC_SUPPORT_MODULE_HITS_FILE="${TMP_DIR}/ecstore_root_rpc_support_module_hits.txt"
+ECSTORE_ROOT_RPC_IMPL_HITS_FILE="${TMP_DIR}/ecstore_root_rpc_impl_hits.txt"
+ECSTORE_OLD_METADATA_OWNER_PATH_HITS_FILE="${TMP_DIR}/ecstore_old_metadata_owner_path_hits.txt"
 ALL_STORAGE_COMPAT_SELF_FACADE_PATH_HITS_FILE="${TMP_DIR}/all_storage_compat_self_facade_path_hits.txt"
 RUSTFS_LOCAL_COMPAT_OWNER_SELF_PATH_HITS_FILE="${TMP_DIR}/rustfs_local_compat_owner_self_path_hits.txt"
 RUSTFS_ROOT_COMPAT_RELATIVE_CONSUMER_HITS_FILE="${TMP_DIR}/rustfs_root_compat_relative_consumer_hits.txt"
@@ -2945,6 +2948,49 @@ if [[ -s "$ECSTORE_CLUSTER_ROOT_IMPL_HITS_FILE" ]]; then
   report_failure "ECStore cluster root module must only re-export control-plane owner symbols: $(paste -sd '; ' "$ECSTORE_CLUSTER_ROOT_IMPL_HITS_FILE")"
 fi
 
+(
+  cd "$ROOT_DIR"
+  {
+    [[ -e crates/ecstore/src/rpc/client.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/client.rs'
+    [[ -e crates/ecstore/src/rpc/context_propagation.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/context_propagation.rs'
+    [[ -e crates/ecstore/src/rpc/http_auth.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/http_auth.rs'
+    [[ -e crates/ecstore/src/rpc/internode_data_transport.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/internode_data_transport.rs'
+    [[ -e crates/ecstore/src/rpc/peer_rest_client.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/peer_rest_client.rs'
+    [[ -e crates/ecstore/src/rpc/peer_s3_client.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/peer_s3_client.rs'
+    [[ -e crates/ecstore/src/rpc/remote_disk.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/remote_disk.rs'
+    [[ -e crates/ecstore/src/rpc/remote_locker.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/remote_locker.rs'
+    [[ -e crates/ecstore/src/rpc/runtime_sources.rs ]] && printf '%s\n' 'crates/ecstore/src/rpc/runtime_sources.rs'
+    true
+  }
+) >"$ECSTORE_ROOT_RPC_SUPPORT_MODULE_HITS_FILE"
+
+if [[ -s "$ECSTORE_ROOT_RPC_SUPPORT_MODULE_HITS_FILE" ]]; then
+  report_failure "ECStore RPC support modules must stay under the cluster/rpc owner directory: $(paste -sd '; ' "$ECSTORE_ROOT_RPC_SUPPORT_MODULE_HITS_FILE")"
+fi
+
+rg -n --with-filename '^(pub(?:\(crate\))? )?(struct|enum|fn|trait) |^mod ' \
+  "${ROOT_DIR}/crates/ecstore/src/rpc/mod.rs" \
+  >"$ECSTORE_ROOT_RPC_IMPL_HITS_FILE" || true
+
+if [[ -s "$ECSTORE_ROOT_RPC_IMPL_HITS_FILE" ]]; then
+  report_failure "ECStore root rpc module must only re-export cluster/rpc owner symbols: $(paste -sd '; ' "$ECSTORE_ROOT_RPC_IMPL_HITS_FILE")"
+fi
+
+(
+  cd "$ROOT_DIR"
+  {
+    [[ -e crates/ecstore/src/bucket/metadata.rs ]] && printf '%s\n' 'crates/ecstore/src/bucket/metadata.rs'
+    [[ -e crates/ecstore/src/bucket/metadata_sys.rs ]] && printf '%s\n' 'crates/ecstore/src/bucket/metadata_sys.rs'
+    [[ -e crates/ecstore/src/bucket/metadata_test.rs ]] && printf '%s\n' 'crates/ecstore/src/bucket/metadata_test.rs'
+    [[ -e crates/ecstore/src/set_disk/metadata.rs ]] && printf '%s\n' 'crates/ecstore/src/set_disk/metadata.rs'
+    true
+  }
+) >"$ECSTORE_OLD_METADATA_OWNER_PATH_HITS_FILE"
+
+if [[ -s "$ECSTORE_OLD_METADATA_OWNER_PATH_HITS_FILE" ]]; then
+  report_failure "ECStore metadata modules must stay under the metadata owner directory: $(paste -sd '; ' "$ECSTORE_OLD_METADATA_OWNER_PATH_HITS_FILE")"
+fi
+
 cat >"$ECSTORE_COMPAT_PASSTHROUGH_EXPECTED_FILE" <<'EOF'
 EOF
 sort -o "$ECSTORE_COMPAT_PASSTHROUGH_EXPECTED_FILE" "$ECSTORE_COMPAT_PASSTHROUGH_EXPECTED_FILE"