diff --git a/src/mngt/ocf_mngt_cache.c b/src/mngt/ocf_mngt_cache.c
index 7da5964..7a112cc 100644
--- a/src/mngt/ocf_mngt_cache.c
+++ b/src/mngt/ocf_mngt_cache.c
@@ -1661,6 +1661,29 @@ static void _ocf_mngt_load_superblock(ocf_pipeline_t pipeline,
 	}
 }
 
+static void _ocf_mngt_attach_update_cores_atomic(ocf_pipeline_t pipeline,
+		void *priv, ocf_pipeline_arg_t arg)
+{
+	struct ocf_cache_attach_context *context = priv;
+	ocf_cache_t cache = context->cache;
+	ocf_core_t core;
+	ocf_core_id_t core_id;
+	ocf_seq_no_t core_sequence_no = 0;
+
+	cache->conf_meta->curr_core_seq_no = 0;
+
+	if (!ocf_volume_is_atomic(ocf_cache_get_volume(cache)))
+			OCF_PL_NEXT_RET(pipeline);
+
+	for_each_core_metadata(cache, core, core_id) {
+		core_sequence_no = ocf_mngt_get_core_seq_no(cache);
+		if (core_sequence_no == OCF_SEQ_NO_INVALID)
+			OCF_PL_FINISH_RET(pipeline, -OCF_ERR_TOO_MANY_CORES);
+
+		core->conf_meta->seq_no = core_sequence_no;
+	}
+}
+
 static void _ocf_mngt_init_cleaner(ocf_pipeline_t pipeline,
 		void *priv, ocf_pipeline_arg_t arg)
 {
@@ -1927,6 +1950,7 @@ struct ocf_pipeline_properties _ocf_mngt_cache_attach_pipeline_properties = {
 		OCF_PL_STEP(_ocf_mngt_attach_check_ram),
 		OCF_PL_STEP(_ocf_mngt_attach_prepare_metadata),
 		OCF_PL_STEP(_ocf_mngt_test_volume),
+		OCF_PL_STEP(_ocf_mngt_attach_update_cores_atomic),
 		OCF_PL_STEP(_ocf_mngt_init_cleaner),
 		OCF_PL_STEP(_ocf_mngt_init_promotion),
 		OCF_PL_STEP(_ocf_mngt_attach_init_metadata),
diff --git a/src/mngt/ocf_mngt_core.c b/src/mngt/ocf_mngt_core.c
index afdc6e9..6986e8d 100644
--- a/src/mngt/ocf_mngt_core.c
+++ b/src/mngt/ocf_mngt_core.c
@@ -1,5 +1,6 @@
 /*
  * Copyright(c) 2012-2022 Intel Corporation
+ * Copyright(c) 2024 Huawei Technologies
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
@@ -14,7 +15,7 @@
 #include "../ocf_def_priv.h"
 #include "../cleaning/cleaning_ops.h"
 
-static ocf_seq_no_t _ocf_mngt_get_core_seq_no(ocf_cache_t cache)
+ocf_seq_no_t ocf_mngt_get_core_seq_no(ocf_cache_t cache)
 {
 	if (cache->conf_meta->curr_core_seq_no == OCF_SEQ_NO_MAX)
 		return OCF_SEQ_NO_INVALID;
@@ -482,7 +483,7 @@ static void ocf_mngt_cache_add_core_insert(ocf_pipeline_t pipeline,
 
 	/* Add core sequence number for atomic metadata matching */
 	if (ocf_volume_is_atomic(&cache->device->volume)) {
-		core_sequence_no = _ocf_mngt_get_core_seq_no(cache);
+		core_sequence_no = ocf_mngt_get_core_seq_no(cache);
 		if (core_sequence_no == OCF_SEQ_NO_INVALID)
 			OCF_PL_FINISH_RET(pipeline, -OCF_ERR_TOO_MANY_CORES);
 	}
diff --git a/src/mngt/ocf_mngt_core_priv.h b/src/mngt/ocf_mngt_core_priv.h
index 1784ad0..edecc19 100644
--- a/src/mngt/ocf_mngt_core_priv.h
+++ b/src/mngt/ocf_mngt_core_priv.h
@@ -1,5 +1,6 @@
 /*
  * Copyright(c) 2012-2021 Intel Corporation
+ * Copyright(c) 2024 Huawei Technologies
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
@@ -12,4 +13,6 @@ int ocf_mngt_core_init_front_volume(ocf_core_t core);
 
 void ocf_mngt_core_clear_uuid_metadata(ocf_core_t core);
 
+ocf_seq_no_t ocf_mngt_get_core_seq_no(ocf_cache_t cache);
+
 #endif /* __OCF_MNGT_CORE_PRIV_H__ */