diff --git a/pyproject.toml b/pyproject.toml
index 7506ab9a..57c1f3a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,8 +1,8 @@
 [tool.isort]
 profile = "black"
 src_paths = ["pytest_tests"]
-line_length = 120
+line_length = 140
 
 [tool.black]
-line-length = 120
+line-length = 140
 target-version = ["py310"]
diff --git a/pytest.ini b/pytest.ini
index 067a4bac..5f358ee0 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -64,5 +64,6 @@ markers =
     write_cache_loss: tests for write cache loss
     time: time tests
     replication: replication tests
+    ec_replication: replication EC
     static_session_container: tests for a static session in a container
     shard: shard management tests
diff --git a/pytest_tests/testsuites/replication/test_ec_replication.py b/pytest_tests/testsuites/replication/test_ec_replication.py
new file mode 100644
index 00000000..852ceb53
--- /dev/null
+++ b/pytest_tests/testsuites/replication/test_ec_replication.py
@@ -0,0 +1,578 @@
+import json
+from dataclasses import dataclass
+
+import allure
+import pytest
+import yaml
+from frostfs_testlib import reporter
+from frostfs_testlib.cli import FrostfsAdm, FrostfsCli
+from frostfs_testlib.cli.netmap_parser import NetmapParser
+from frostfs_testlib.credentials.interfaces import User
+from frostfs_testlib.resources.cli import FROSTFS_ADM_CONFIG_PATH, FROSTFS_ADM_EXEC, FROSTFS_CLI_EXEC
+from frostfs_testlib.shell import Shell
+from frostfs_testlib.steps.cli.object import get_object, put_object
+from frostfs_testlib.storage.cluster import Cluster, ClusterNode, StorageNode
+from frostfs_testlib.storage.controllers import ClusterStateController
+from frostfs_testlib.storage.controllers.state_managers.config_state_manager import ConfigStateManager
+from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
+from frostfs_testlib.storage.dataclasses.storage_object_info import NodeNetmapInfo
+from frostfs_testlib.testing.cluster_test_base import ClusterTestBase
+from frostfs_testlib.utils.cli_utils import parse_netmap_output
+from frostfs_testlib.utils.file_utils import generate_file, get_file_hash
+
+from pytest_tests.resources.common import HOSTING_CONFIG_FILE
+
+
+def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
+    if "ec_policy" not in metafunc.fixturenames:
+        return
+
+    with open(HOSTING_CONFIG_FILE, "r") as file:
+        hosting_config = yaml.full_load(file)
+
+    node_count = len(hosting_config["hosts"])
+
+    ec_map = {
+        4: ["EC 1.1", "EC 2.1", "EC 3.1"],
+        8: ["EC 5.3", "EC 3.2", "EC 7.1", "EC 4.4"],
+        16: ["EC 12.4", "EC 8.4", "EC 5.3", "EC 4.4"],
+        100: ["EC 12.4", "EC 8.4", "EC 5.3", "EC 4.4"],
+    }
+
+    metafunc.parametrize("ec_policy, node_count", ((ec_policy, node_count) for ec_policy in ec_map[node_count]))
+
+
+@dataclass
+class Chunk:
+    def __init__(self, object_id: str, required_nodes: list, confirmed_nodes: list, ec_parent_object_id: str, ec_index: int) -> None:
+        self.object_id = object_id
+        self.required_nodes = required_nodes
+        self.confirmed_nodes = confirmed_nodes
+        self.ec_parent_object_id = ec_parent_object_id
+        self.ec_index = ec_index
+
+    def __str__(self) -> str:
+        return self.object_id
+
+
+@allure.title("Initialized local FrostfsCli")
+@pytest.fixture()
+def frostfs_local_cli(client_shell: Shell, default_user: User) -> FrostfsCli:
+    return FrostfsCli(client_shell, frostfs_cli_exec_path=FROSTFS_CLI_EXEC, config_file=default_user.wallet.config_path)
+
+
+@allure.title("Initialized remote FrostfsAdm")
+@pytest.fixture
+def frostfs_remote_adm(cluster: Cluster) -> FrostfsAdm:
+    node = cluster.cluster_nodes[0]
+    shell = node.host.get_shell()
+    return FrostfsAdm(shell, frostfs_adm_exec_path=FROSTFS_ADM_EXEC, config_file=FROSTFS_ADM_CONFIG_PATH)
+
+
+@pytest.mark.replication
+@pytest.mark.ec_replication
+class TestECReplication(ClusterTestBase):
+    @allure.title("Restore chunk maximum params in network params ")
+    @pytest.fixture
+    def restore_network_config(self, frostfs_remote_adm: FrostfsAdm) -> None:
+        yield
+        frostfs_remote_adm.morph.set_config(set_key_value='"MaxECDataCount=12" "MaxECParityCount=5"')
+
+    @reporter.step("Get object nodes output ")
+    def get_object_nodes(self, cli: FrostfsCli, cid: str, oid: str, endpoint: str = None) -> dict:
+        if not endpoint:
+            endpoint = self.cluster.default_rpc_endpoint
+        return json.loads(cli.object.nodes(endpoint, cid, oid=oid, json=True).stdout)
+
+    @reporter.step("Get all chunks object ")
+    def get_all_chunks_object(self, cli: FrostfsCli, cid: str, oid: str, endpoint: str = None) -> list[Chunk]:
+        chunks = self.get_object_nodes(cli, cid, oid, endpoint)
+        return [Chunk(**chunk) for chunk in chunks["data_objects"]]
+
+    @reporter.step("Get parity chunk ")
+    def get_parity_chunk_object(self, cli: FrostfsCli, cid: str, oid: str, endpoint: str = None) -> Chunk:
+        chunks = self.get_object_nodes(cli, cid, oid, endpoint)["data_objects"]
+        return Chunk(**chunks[-1])
+
+    @reporter.step("Get data chunk ")
+    def get_data_chunk_object(self, cli: FrostfsCli, cid: str, oid: str, endpoint: str = None) -> Chunk:
+        chunks = self.get_object_nodes(cli, cid, oid, endpoint)["data_objects"]
+        return Chunk(**chunks[0])
+
+    @reporter.step("Search node without chunks ")
+    def search_node_not_chunks(self, chunks: list[Chunk], local_cli: FrostfsCli, endpoint: str = None) -> list[ClusterNode]:
+        if not endpoint:
+            self.cluster.default_rpc_endpoint
+        netmap = parse_netmap_output(local_cli.netmap.snapshot(endpoint).stdout)
+        chunks_node_key = []
+        for chunk in chunks:
+            chunks_node_key.extend(chunk.confirmed_nodes)
+        for node_info in netmap.copy():
+            if node_info.node_id in chunks_node_key and node_info in netmap:
+                netmap.remove(node_info)
+        result = []
+        for node_info in netmap:
+            for cluster_node in self.cluster.cluster_nodes:
+                if node_info.node == cluster_node.host_ip:
+                    result.append(cluster_node)
+        return result
+
+    @reporter.step("Create container, policy={policy}")
+    def create_container(self, user_cli: FrostfsCli, endpoint: str, policy: str) -> str:
+        return user_cli.container.create(endpoint, policy=policy, await_mode=True).stdout.split(" ")[1].strip().split("\n")[0]
+
+    @reporter.step("Search node chunk {chunk}")
+    def get_chunk_node(self, frostfs_cli: FrostfsCli, chunk: Chunk) -> tuple[ClusterNode, NodeNetmapInfo]:
+        netmap = parse_netmap_output(frostfs_cli.netmap.snapshot(self.cluster.default_rpc_endpoint).stdout)
+        for node_info in netmap:
+            if node_info.node_id in chunk.confirmed_nodes:
+                for cluster_node in self.cluster.cluster_nodes:
+                    if cluster_node.host_ip == node_info.node:
+                        return (cluster_node, node_info)
+
+    @reporter.step("Check replication chunks={total_chunks} chunks ")
+    def check_replication(self, total_chunks: int, local_cli: FrostfsCli, cid: str, oid: str) -> bool:
+        object_nodes_info = local_cli.object.nodes(self.cluster.default_rpc_endpoint, cid, oid=oid, json=True).stdout
+        object_nodes_info = json.loads(object_nodes_info)
+        return len(object_nodes_info["data_objects"]) == total_chunks
+
+    @allure.title("Disable Policer on all nodes")
+    @pytest.fixture()
+    def disable_policer(
+        self,
+        cluster_state_controller: ClusterStateController,
+    ) -> None:
+        with reporter.step(f"Disable policer for nodes"):
+            cluster_state_controller.manager(ConfigStateManager).set_on_all_nodes(
+                service_type=StorageNode, values={"policer": {"unsafe_disable": True}}
+            )
+        yield
+        with reporter.step(f"Enable policer for nodes"):
+            cluster_state_controller.start_stopped_hosts()
+            cluster_state_controller.manager(ConfigStateManager).revert_all()
+
+    @allure.title("Create container with EC policy (size={object_size.value})")
+    def test_create_container_with_ec_policy(
+        self,
+        default_user: User,
+        frostfs_local_cli: FrostfsCli,
+        object_size: ObjectSize,
+    ) -> None:
+        test_file = generate_file(object_size.value)
+        rep_count = 3
+        if object_size.name == "complex":
+            rep_count *= 4
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 2.1")
+
+        with reporter.step("Put object in container."):
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check replication chunks."):
+            assert self.check_replication(rep_count, frostfs_local_cli, cid, oid)
+
+    @allure.title("Lose node with chunk data")
+    @pytest.mark.failover
+    def test_lose_node_with_data_chunk(
+        self,
+        frostfs_local_cli: FrostfsCli,
+        default_user: User,
+        simple_object_size: ObjectSize,
+        cluster_state_controller: ClusterStateController,
+        disable_policer: None,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 3.1")
+
+        with reporter.step("Put object in container."):
+            test_file = generate_file(simple_object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check chunk replication on 4 nodes."):
+            assert self.check_replication(4, frostfs_local_cli, cid, oid)
+
+        with reporter.step("Search node data chunk"):
+            chunk = self.get_data_chunk_object(frostfs_local_cli, cid, oid)
+            chunk_node = self.get_chunk_node(frostfs_local_cli, chunk)[0]
+
+        with reporter.step("Stop node with data chunk."):
+            cluster_state_controller.stop_node_host(chunk_node, "hard")
+
+        with reporter.step("Get object"):
+            node = list(set(self.cluster.cluster_nodes) - {chunk_node})[0]
+            get_object(default_user.wallet, cid, oid, self.shell, node.storage_node.get_rpc_endpoint())
+
+        with reporter.step("Start stopped node, and check replication chunks."):
+            cluster_state_controller.start_node_host(chunk_node)
+            assert self.check_replication(4, frostfs_local_cli, cid, oid)
+
+    @allure.title("Lose node with chunk parity")
+    @pytest.mark.failover
+    def test_lose_node_with_parity_chunk(
+        self,
+        frostfs_local_cli: FrostfsCli,
+        default_user: User,
+        simple_object_size: ObjectSize,
+        cluster_state_controller: ClusterStateController,
+        disable_policer: None,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 3.1")
+
+        with reporter.step("Put object in container."):
+            test_file = generate_file(simple_object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check chunk replication on 4 nodes."):
+            assert self.check_replication(4, frostfs_local_cli, cid, oid)
+
+        with reporter.step("Search node with parity chunk"):
+            chunk = self.get_parity_chunk_object(frostfs_local_cli, cid, oid)
+            chunk_node = self.get_chunk_node(frostfs_local_cli, chunk)[0]
+
+        with reporter.step("Stop node parity chunk."):
+            cluster_state_controller.stop_node_host(chunk_node, "hard")
+
+        with reporter.step("Get object, expect success."):
+            node = list(set(self.cluster.cluster_nodes) - {chunk_node})[0]
+            get_object(default_user.wallet, cid, oid, self.shell, node.storage_node.get_rpc_endpoint())
+
+        with reporter.step("Start stoped node, and check replication chunks."):
+            cluster_state_controller.start_node_host(chunk_node)
+            assert self.check_replication(4, frostfs_local_cli, cid, oid)
+
+    @allure.title("Lose nodes with chunk data and parity")
+    @pytest.mark.failover
+    def test_lose_nodes_data_chunk_and_parity(
+        self,
+        frostfs_local_cli: FrostfsCli,
+        default_user: User,
+        simple_object_size: ObjectSize,
+        cluster_state_controller: ClusterStateController,
+        disable_policer: None,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 3.1")
+
+        with reporter.step("Put object in container."):
+            test_file = generate_file(simple_object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check count chunks, expect 4."):
+            assert self.check_replication(4, frostfs_local_cli, cid, oid)
+
+        with reporter.step("Search node data chunk and node parity chunk"):
+            data_chunk = self.get_data_chunk_object(frostfs_local_cli, cid, oid)
+            node_data_chunk = self.get_chunk_node(frostfs_local_cli, data_chunk)[0]
+            parity_chunk = self.get_parity_chunk_object(frostfs_local_cli, cid, oid)
+            node_parity_chunk = self.get_chunk_node(frostfs_local_cli, parity_chunk)[0]
+
+        with reporter.step("Stop node with data chunk."):
+            cluster_state_controller.stop_node_host(node_data_chunk, "hard")
+
+        with reporter.step("Get object"):
+            node = list(set(self.cluster.cluster_nodes) - {node_data_chunk, node_parity_chunk})[0]
+            get_object(default_user.wallet, cid, oid, self.shell, node.storage_node.get_rpc_endpoint())
+
+        with reporter.step("Start stopped host and check chunks."):
+            cluster_state_controller.start_node_host(node_data_chunk)
+            assert self.check_replication(4, frostfs_local_cli, cid, oid)
+
+        with reporter.step("Stop node with parity chunk and one all node."):
+            cluster_state_controller.stop_node_host(node_data_chunk, "hard")
+            cluster_state_controller.stop_node_host(node_parity_chunk, "hard")
+
+        with reporter.step("Get object, expect error."):
+            with pytest.raises(RuntimeError):
+                get_object(default_user.wallet, cid, oid, self.shell, node.storage_node.get_rpc_endpoint())
+
+        with reporter.step("Start stopped nodes and check replication chunk."):
+            cluster_state_controller.start_stopped_hosts()
+            assert self.check_replication(4, frostfs_local_cli, cid, oid)
+
+    @allure.title("Policer work with chunk")
+    @pytest.mark.failover
+    def test_work_policer_with_nodes(
+        self,
+        simple_object_size: ObjectSize,
+        frostfs_local_cli: FrostfsCli,
+        default_user: User,
+        cluster_state_controller: ClusterStateController,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 2.1")
+
+        with reporter.step("Put object on container."):
+            test_file = generate_file(simple_object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check count chunks nodes on 3."):
+            assert self.check_replication(3, frostfs_local_cli, cid, oid)
+
+        with reporter.step("Stop node with chunk."):
+            data_chunk = self.get_data_chunk_object(frostfs_local_cli, cid, oid)
+            first_all_chunks = self.get_all_chunks_object(frostfs_local_cli, cid, oid)
+            node_data_chunk = self.get_chunk_node(frostfs_local_cli, data_chunk)[0]
+            cluster_state_controller.stop_node_host(node_data_chunk, "hard")
+
+        with reporter.step("Check replication chunk with different node."):
+            alive_endpoint = list(set(self.cluster.cluster_nodes) - {node_data_chunk})[0].storage_node.get_rpc_endpoint()
+            node = self.search_node_not_chunks(first_all_chunks, frostfs_local_cli, endpoint=alive_endpoint)[0]
+            second_all_chunks = self.get_all_chunks_object(frostfs_local_cli, cid, oid, node.storage_node.get_rpc_endpoint())
+
+        with reporter.step("Check that oid no change."):
+            oid_chunk_check = [chunk for chunk in second_all_chunks if data_chunk.object_id == chunk.object_id]
+            assert len(oid_chunk_check) > 0
+
+        with reporter.step("Start stopped host, and check delete 4 chunk."):
+            cluster_state_controller.start_node_host(node_data_chunk)
+            all_chunks_after_start_node = self.get_all_chunks_object(frostfs_local_cli, cid, oid)
+            assert len(all_chunks_after_start_node) == 3
+
+    @allure.title("EC X.Y combinations (nodes={node_count},policy={ec_policy},size={object_size.name})")
+    def test_create_container_with_difference_count_nodes(
+        self,
+        node_count: int,
+        ec_policy: str,
+        object_size: ObjectSize,
+        default_user: User,
+        frostfs_local_cli: FrostfsCli,
+    ) -> None:
+        with reporter.step("Create container."):
+            expected_chunks = int(ec_policy.split(" ")[1].split(".")[0]) + int(ec_policy.split(" ")[1].split(".")[1])
+            if "complex" in object_size.name:
+                expected_chunks *= 4
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, ec_policy)
+
+        with reporter.step("Put object in container."):
+            test_file = generate_file(object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check count object chunks."):
+            chunks = self.get_all_chunks_object(frostfs_local_cli, cid, oid, self.cluster.default_rpc_endpoint)
+            assert len(chunks) == expected_chunks
+
+        with reporter.step("get object and check hash."):
+            file_with_node = get_object(default_user.wallet, cid, oid, self.shell, self.cluster.default_rpc_endpoint)
+            assert get_file_hash(test_file) == get_file_hash(file_with_node)
+
+    @allure.title("Request PUT with copies_number flag")
+    def test_put_object_with_copies_number(
+        self,
+        frostfs_local_cli: FrostfsCli,
+        default_user: User,
+        simple_object_size: ObjectSize,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 2.1")
+
+        with reporter.step("Put object in container with copies number = 1"):
+            test_file = generate_file(simple_object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint, copies_number=1)
+
+        with reporter.step("Check that count chunks > 1."):
+            chunks = self.get_all_chunks_object(frostfs_local_cli, cid, oid, self.cluster.default_rpc_endpoint)
+            assert len(chunks) > 1
+
+    @allure.title("Request PUT and 1 node off")
+    @pytest.mark.failover
+    def test_put_object_with_off_cnr_node(
+        self,
+        frostfs_local_cli: FrostfsCli,
+        cluster_state_controller: ClusterStateController,
+        default_user: User,
+        simple_object_size: ObjectSize,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 3.1")
+
+        with reporter.step("Stop one node in container nodes"):
+            cluster_state_controller.stop_node_host(self.cluster.cluster_nodes[1], "hard")
+
+        with reporter.step("Put object in container, expect error."):
+            test_file = generate_file(simple_object_size.value)
+            with pytest.raises(RuntimeError, match="put single object on client"):
+                put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+    @allure.title("Request DELETE (size={object_size.name})")
+    @pytest.mark.failover
+    def test_delete_object_in_ec_cnr(
+        self,
+        default_user: User,
+        frostfs_local_cli: FrostfsCli,
+        object_size: ObjectSize,
+        cluster_state_controller: ClusterStateController,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 2.1")
+
+        with reporter.step("Put object in container."):
+            test_file = generate_file(object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check object chunks nodes."):
+            chunks_object = self.get_all_chunks_object(frostfs_local_cli, cid, oid, self.cluster.default_rpc_endpoint)
+            replication_count = 3 if object_size.name == "simple" else 3 * 4
+            assert len(chunks_object) == replication_count
+
+        with reporter.step("Delete object"):
+            frostfs_local_cli.object.delete(self.cluster.default_rpc_endpoint, cid, oid)
+
+        with reporter.step("Check that delete all chunks."):
+            for chunk in chunks_object:
+                with pytest.raises(RuntimeError, match="object already removed"):
+                    frostfs_local_cli.object.head(self.cluster.default_rpc_endpoint, cid, chunk.object_id)
+
+        with reporter.step("Put second object."):
+            oid_second = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check second object chunks nodes."):
+            chunks_second_object = self.get_all_chunks_object(frostfs_local_cli, cid, oid_second, self.cluster.default_rpc_endpoint)
+            assert len(chunks_second_object) == replication_count
+
+        with reporter.step("Stop nodes with chunk."):
+            chunk_node = self.get_chunk_node(frostfs_local_cli, chunks_second_object[0])
+            cluster_state_controller.stop_node_host(chunk_node[0], "hard")
+
+        with reporter.step("Delete second object"):
+            frostfs_local_cli.object.delete(self.cluster.default_rpc_endpoint, cid, oid_second)
+
+        with reporter.step("Check that delete all chunk second object."):
+            for chunk in chunks_second_object:
+                with pytest.raises(RuntimeError, match="object already removed"):
+                    frostfs_local_cli.object.head(self.cluster.default_rpc_endpoint, cid, chunk.object_id)
+
+    @allure.title("Request LOCK (size={object_size.name})")
+    @pytest.mark.failover
+    def test_lock_object_in_ec_cnr(
+        self,
+        frostfs_local_cli: FrostfsCli,
+        object_size: ObjectSize,
+        default_user: User,
+        cluster_state_controller: ClusterStateController,
+    ) -> None:
+        with reporter.step("Create container."):
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, "EC 2.1")
+
+        with reporter.step("Put object in container."):
+            test_file = generate_file(object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check object chunks nodes."):
+            chunks_object = self.get_all_chunks_object(frostfs_local_cli, cid, oid, self.cluster.default_rpc_endpoint)
+            replication_count = 3 if object_size.name == "simple" else 3 * 4
+            assert len(chunks_object) == replication_count
+
+        with reporter.step("Put LOCK in object."):
+            epoch = frostfs_local_cli.netmap.epoch(self.cluster.default_rpc_endpoint).stdout.strip()
+            frostfs_local_cli.object.lock(self.cluster.default_rpc_endpoint, cid, oid, expire_at=int(epoch) + 5).stdout
+
+        with reporter.step("Check LOCK in object"):
+            chunks = frostfs_local_cli.object.head(self.cluster.default_rpc_endpoint, cid, oid, raw=True).stdout.strip().split(" ")
+            oids_chunks = [chunk.strip() for chunk in chunks if len(chunk) > 35]
+            for chunk_id in oids_chunks:
+                with pytest.raises(RuntimeError, match="could not delete objects"):
+                    frostfs_local_cli.object.delete(self.cluster.default_rpc_endpoint, cid, chunk_id)
+
+        with reporter.step("Stop chunk node."):
+            chunk_node = self.get_chunk_node(frostfs_local_cli, chunks_object[0])
+            cluster_state_controller.stop_node_host(chunk_node[0], "hard")
+            cluster_state_controller.start_node_host(chunk_node[0])
+
+        with reporter.step("Check LOCK in object."):
+            chunks = self.get_all_chunks_object(frostfs_local_cli, cid, oid, self.cluster.default_rpc_endpoint)
+            for chunk_id in oids_chunks:
+                with pytest.raises(RuntimeError, match="could not delete objects"):
+                    frostfs_local_cli.object.delete(self.cluster.default_rpc_endpoint, cid, chunk_id)
+
+    @allure.title("Output MaxEC* params in frostfscli (type={type_shards})")
+    @pytest.mark.parametrize("type_shards", ["Maximum count of data shards", "Maximum count of parity shards"])
+    def test_maxec_info_with_output_cli(self, frostfs_local_cli: FrostfsCli, type_shards: str) -> None:
+        with reporter.step("Get and check params"):
+            net_info = frostfs_local_cli.netmap.netinfo(self.cluster.default_rpc_endpoint).stdout
+            assert type_shards in net_info
+
+    @allure.title("Change MaxEC*Count params")
+    def test_change_max_data_shards_params(
+        self,
+        frostfs_remote_adm: FrostfsAdm,
+        frostfs_local_cli: FrostfsCli,
+        restore_network_config: None,
+    ) -> None:
+        with reporter.step("Get now params MaxECDataCount and MaxECParityCount"):
+            node_netinfo = NetmapParser.netinfo(frostfs_local_cli.netmap.netinfo(self.cluster.default_rpc_endpoint).stdout)
+
+        with reporter.step("Change params"):
+            frostfs_remote_adm.morph.set_config(set_key_value='"MaxECDataCount=5" "MaxECParityCount=3"')
+
+        with reporter.step("Get update params"):
+            update_net_info = NetmapParser.netinfo(frostfs_local_cli.netmap.netinfo(self.cluster.default_rpc_endpoint).stdout)
+
+        with reporter.step("Check old and new params difference"):
+            assert (
+                update_net_info.maximum_count_of_data_shards not in node_netinfo.maximum_count_of_data_shards
+                and update_net_info.maximum_count_of_parity_shards not in node_netinfo.maximum_count_of_parity_shards
+            )
+
+    @allure.title("Check maximum count data and parity shards")
+    def test_change_over_max_parity_shards_params(
+        self,
+        frostfs_remote_adm: FrostfsAdm,
+    ) -> None:
+        with reporter.step("Change over maximum params shards count."):
+            with pytest.raises(RuntimeError, match="MaxECDataCount and MaxECParityCount must be <= 256"):
+                frostfs_remote_adm.morph.set_config(set_key_value='"MaxECDataCount=130" "MaxECParityCount=130"')
+
+    @allure.title("Create container with EC policy and SELECT (SELECT={select})")
+    @pytest.mark.parametrize("select", [2, 4])
+    def test_create_container_with_select(
+        self,
+        select: int,
+        frostfs_local_cli: FrostfsCli,
+    ) -> None:
+        with reporter.step("Create container"):
+            policy = f"EC 1.1 CBF 1 SELECT {select} FROM *"
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, policy)
+
+        with reporter.step("Check container nodes decomposed"):
+            container_nodes = frostfs_local_cli.container.search_node(self.cluster.default_rpc_endpoint, cid).stdout.strip().split("\n")[1:]
+            assert len(container_nodes) == select
+
+    @allure.title("Create container with EC policy and CBF (CBF={cbf})")
+    @pytest.mark.parametrize("cbf, expected_nodes", [(1, 2), (2, 4)])
+    def test_create_container_with_cbf(
+        self,
+        cbf: int,
+        expected_nodes: int,
+        frostfs_local_cli: FrostfsCli,
+    ) -> None:
+        with reporter.step("Create container."):
+            policy = f"EC 1.1 CBF {cbf}"
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, policy)
+
+        with reporter.step("Check expected container nodes."):
+            container_nodes = frostfs_local_cli.container.search_node(self.cluster.default_rpc_endpoint, cid).stdout.strip().split("\n")[1:]
+            assert len(container_nodes) == expected_nodes
+
+    @allure.title("Create container with EC policy and FILTER")
+    def test_create_container_with_filter(
+        self,
+        default_user: User,
+        frostfs_local_cli: FrostfsCli,
+        simple_object_size: ObjectSize,
+    ) -> None:
+        with reporter.step("Create Container."):
+            policy = "EC 1.1 IN RUS SELECT 2 FROM RU AS RUS FILTER Country EQ Russia AS RU"
+            cid = self.create_container(frostfs_local_cli, self.cluster.default_rpc_endpoint, policy)
+
+        with reporter.step("Put object in container."):
+            test_file = generate_file(simple_object_size.value)
+            oid = put_object(default_user.wallet, test_file, cid, self.shell, self.cluster.default_rpc_endpoint)
+
+        with reporter.step("Check object is decomposed exclusively on Russian nodes"):
+            data_chunk = self.get_data_chunk_object(frostfs_local_cli, cid, oid, self.cluster.default_rpc_endpoint)
+            parity_chunk = self.get_parity_chunk_object(frostfs_local_cli, cid, oid, self.cluster.default_rpc_endpoint)
+            node_data_chunk = self.get_chunk_node(frostfs_local_cli, data_chunk)
+            node_parity_chunk = self.get_chunk_node(frostfs_local_cli, parity_chunk)
+            for node in [node_data_chunk[1], node_parity_chunk[1]]:
+                assert "Russia" in node.country