diff --git a/.env b/.env
index 69f336c..2eb6929 100644
--- a/.env
+++ b/.env
@@ -14,13 +14,13 @@ NEO_GO_PLATFORM=linux-amd64
 NEO_GO_URL="https://github.com/nspcc-dev/neo-go/releases/download/v${NEOGO_VERSION}/neo-go-${NEO_GO_PLATFORM}"
 
 # NeoFS InnerRing nodes
-IR_VERSION=0.50.2
-IR_IMAGE=nspccdev/neofs-ir
-IR_NUMBER_OF_NODES=1
+IR_VERSION=0.50.2-7-g79e4ff0a-dirty
+IR_IMAGE=nspccdev/neofs-dirty-ir
+IR_NUMBER_OF_NODES=7
 
 # NeoFS Storage nodes
-NODE_VERSION=0.50.2
-NODE_IMAGE=nspccdev/neofs-storage
+NODE_VERSION=0.50.2-7-g79e4ff0a-dirty
+NODE_IMAGE=nspccdev/neofs-dirty-storage
 
 # REST Gate
 REST_GW_VERSION=0.8.2
diff --git a/services/ir7/cfg/config.yml b/services/ir7/cfg/config.yml
index cea6ae6..41af877 100644
--- a/services/ir7/cfg/config.yml
+++ b/services/ir7/cfg/config.yml
@@ -74,4 +74,24 @@ settlement:
   basic_income_rate: 100000000  # Optional: override basic income rate value from network config; applied only in debug mode
 
 experimental:
-  chain_meta_data: true # Optional: allows creating containers with metadata handled via FS chain
+  chain_meta_data:  # Optional: allows creating containers with metadata handled via FS chain
+    enabled: true
+    storage:
+      type: boltdb
+      path: /neofs_metachain/db.bolt
+    seed_nodes:
+      - ir01:20334
+      - ir02:20334
+      - ir03:20334
+      - ir04:20334
+      - ir05:20334
+      - ir06:20334
+      - ir07:20334
+    rpc:
+      listen:
+        - ":30334"
+    p2p:
+      listen:
+        - ":20334"
+      peers:
+        min: 4
diff --git a/services/ir7/docker-compose.yml b/services/ir7/docker-compose.yml
index b67549c..ca98602 100644
--- a/services/ir7/docker-compose.yml
+++ b/services/ir7/docker-compose.yml
@@ -18,6 +18,7 @@ services:
       - NEOFS_IR_CONTROL_GRPC_ENDPOINT=${NEOFS_IR_CONTROL_GRPC_ENDPOINT_1}
     volumes:
       - neofs_chain_ir01:/neofs_chain/
+      - neofs_metachain_ir01:/neofs_metachain/
       - ./alphabet/az.json:/wallet.json
       - ./../../vendor/hosts:/etc/hosts
       - ./../../vendor/neofs-cli:/neofs-cli
@@ -49,6 +50,7 @@ services:
       - NEOFS_IR_CONTROL_GRPC_ENDPOINT=${NEOFS_IR_CONTROL_GRPC_ENDPOINT_2}
     volumes:
       - neofs_chain_ir02:/neofs_chain/
+      - neofs_metachain_ir02:/neofs_metachain/
       - ./alphabet/buky.json:/wallet.json
       - ./../../vendor/hosts:/etc/hosts
       - ./../../vendor/neofs-cli:/neofs-cli
@@ -80,6 +82,7 @@ services:
       - NEOFS_IR_CONTROL_GRPC_ENDPOINT=${NEOFS_IR_CONTROL_GRPC_ENDPOINT_3}
     volumes:
       - neofs_chain_ir03:/neofs_chain/
+      - neofs_metachain_ir03:/neofs_metachain/
       - ./alphabet/vedi.json:/wallet.json
       - ./../../vendor/hosts:/etc/hosts
       - ./../../vendor/neofs-cli:/neofs-cli
@@ -111,6 +114,7 @@ services:
       - NEOFS_IR_CONTROL_GRPC_ENDPOINT=${NEOFS_IR_CONTROL_GRPC_ENDPOINT_4}
     volumes:
       - neofs_chain_ir04:/neofs_chain/
+      - neofs_metachain_ir04:/neofs_metachain/
       - ./alphabet/glagoli.json:/wallet.json
       - ./../../vendor/hosts:/etc/hosts
       - ./../../vendor/neofs-cli:/neofs-cli
@@ -142,6 +146,7 @@ services:
       - NEOFS_IR_CONTROL_GRPC_ENDPOINT=${NEOFS_IR_CONTROL_GRPC_ENDPOINT_5}
     volumes:
       - neofs_chain_ir05:/neofs_chain/
+      - neofs_metachain_ir05:/neofs_metachain/
       - ./alphabet/dobro.json:/wallet.json
       - ./../../vendor/hosts:/etc/hosts
       - ./../../vendor/neofs-cli:/neofs-cli
@@ -173,6 +178,7 @@ services:
       - NEOFS_IR_CONTROL_GRPC_ENDPOINT=${NEOFS_IR_CONTROL_GRPC_ENDPOINT_6}
     volumes:
       - neofs_chain_ir06:/neofs_chain/
+      - neofs_metachain_ir06:/neofs_metachain/
       - ./alphabet/yest.json:/wallet.json
       - ./../../vendor/hosts:/etc/hosts
       - ./../../vendor/neofs-cli:/neofs-cli
@@ -204,6 +210,7 @@ services:
       - NEOFS_IR_CONTROL_GRPC_ENDPOINT=${NEOFS_IR_CONTROL_GRPC_ENDPOINT_7}
     volumes:
       - neofs_chain_ir07:/neofs_chain/
+      - neofs_metachain_ir07:/neofs_metachain/
       - ./alphabet/zhivete.json:/wallet.json
       - ./../../vendor/hosts:/etc/hosts
       - ./../../vendor/neofs-cli:/neofs-cli
@@ -252,4 +259,11 @@ volumes:
   neofs_chain_ir05:
   neofs_chain_ir06:
   neofs_chain_ir07:
+  neofs_metachain_ir01:
+  neofs_metachain_ir02:
+  neofs_metachain_ir03:
+  neofs_metachain_ir04:
+  neofs_metachain_ir05:
+  neofs_metachain_ir06:
+  neofs_metachain_ir07:
     
diff --git a/services/storage/cfg/config.yml b/services/storage/cfg/config.yml
index 24aeaca..47d33cd 100644
--- a/services/storage/cfg/config.yml
+++ b/services/storage/cfg/config.yml
@@ -47,3 +47,24 @@ storage:
         type: fstree
         path: /storage/fstree1  # FSTree root directory
         depth: 2
+
+metadata:
+  seed_nodes:
+    - ir01:20334
+    - ir02:20334
+    - ir03:20334
+    - ir04:20334
+    - ir05:20334
+    - ir06:20334
+    - ir07:20334
+  storage:
+    type: boltdb
+    path: /storage/metachain/db.bolt
+  rpc:
+    listen:
+      - ":30333"
+  p2p:
+    listen:
+      - ":20333"
+    peers:
+      min: 4