diff --git a/include/spdk/lvol.h b/include/spdk/lvol.h
index 72e03f664..253e971c0 100644
--- a/include/spdk/lvol.h
+++ b/include/spdk/lvol.h
@@ -45,6 +45,10 @@
 struct spdk_lvol_store;
 struct spdk_lvol;
 
+struct spdk_lvs_opts {
+	uint32_t cluster_sz;
+};
+
 typedef void (*spdk_lvs_op_with_handle_complete)(void *cb_arg, struct spdk_lvol_store *lvol_store,
 		int lvserrno);
 typedef void (*spdk_lvs_op_complete)(void *cb_arg, int lvserrno);
@@ -52,7 +56,8 @@ typedef void (*spdk_lvol_op_complete)(void *cb_arg, int lvolerrno);
 typedef void (*spdk_lvol_op_with_handle_complete)(void *cb_arg, struct spdk_lvol *lvol,
 		int lvolerrno);
 
-int spdk_lvs_init(struct spdk_bs_dev *bs_dev, spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg);
+int spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
+		  spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg);
 int spdk_lvs_unload(struct spdk_lvol_store *lvol_store, spdk_lvs_op_complete cb_fn, void *cb_arg);
 int spdk_lvol_create(struct spdk_lvol_store *lvs, uint64_t sz,
 		     spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg);
diff --git a/include/spdk_internal/lvolstore.h b/include/spdk_internal/lvolstore.h
index 32158d8e2..2a452d1f5 100644
--- a/include/spdk_internal/lvolstore.h
+++ b/include/spdk_internal/lvolstore.h
@@ -37,6 +37,9 @@
 #include "spdk/lvol.h"
 #include "spdk_internal/bdev.h"
 
+/* Default size of blobstore cluster */
+#define SPDK_LVS_OPTS_CLUSTER_SZ (1024 * 1024 * 1024)
+
 /* Length of string returned from uuid_unparse() */
 #define UUID_STRING_LEN 37
 
diff --git a/lib/bdev/lvol/vbdev_lvol.c b/lib/bdev/lvol/vbdev_lvol.c
index 911a9104d..8f56b7c78 100644
--- a/lib/bdev/lvol/vbdev_lvol.c
+++ b/lib/bdev/lvol/vbdev_lvol.c
@@ -92,14 +92,25 @@ end:
 }
 
 int
-vbdev_lvs_create(struct spdk_bdev *base_bdev,
-		 spdk_lvs_op_with_handle_complete cb_fn,
-		 void *cb_arg)
+vbdev_lvs_create(struct spdk_bdev *base_bdev, uint32_t cluster_sz,
+		 spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
 {
 	struct spdk_bs_dev *bs_dev;
 	struct spdk_lvs_with_handle_req *lvs_req;
+	struct spdk_lvs_opts *opts = NULL;
+	struct spdk_lvs_opts temp;
 	int rc;
 
+	if (base_bdev == NULL) {
+		SPDK_ERRLOG("Bdev does not exist\n");
+		return -ENODEV;
+	}
+
+	if (cluster_sz != 0) {
+		temp.cluster_sz = cluster_sz;
+		opts = &temp;
+	}
+
 	lvs_req = calloc(1, sizeof(*lvs_req));
 	if (!lvs_req) {
 		SPDK_ERRLOG("Cannot alloc memory for vbdev lvol store request pointer\n");
@@ -118,7 +129,7 @@ vbdev_lvs_create(struct spdk_bdev *base_bdev,
 	lvs_req->cb_fn = cb_fn;
 	lvs_req->cb_arg = cb_arg;
 
-	rc = spdk_lvs_init(bs_dev, _vbdev_lvs_create_cb, lvs_req);
+	rc = spdk_lvs_init(bs_dev, opts, _vbdev_lvs_create_cb, lvs_req);
 	if (rc < 0) {
 		free(lvs_req);
 		bs_dev->destroy(bs_dev);
diff --git a/lib/bdev/lvol/vbdev_lvol.h b/lib/bdev/lvol/vbdev_lvol.h
index 1ce8d2f93..8d0e62f73 100644
--- a/lib/bdev/lvol/vbdev_lvol.h
+++ b/lib/bdev/lvol/vbdev_lvol.h
@@ -45,8 +45,8 @@ struct lvol_store_bdev {
 
 	TAILQ_ENTRY(lvol_store_bdev)	lvol_stores;
 };
-int vbdev_lvs_create(struct spdk_bdev *base_bdev, spdk_lvs_op_with_handle_complete cb_fn,
-		     void *cb_arg);
+int vbdev_lvs_create(struct spdk_bdev *base_bdev, uint32_t cluster_sz,
+		     spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg);
 void vbdev_lvs_destruct(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn, void *cb_arg);
 
 int vbdev_lvol_create(uuid_t uuid, size_t sz, spdk_lvol_op_with_handle_complete cb_fn,
diff --git a/lib/bdev/lvol/vbdev_lvol_rpc.c b/lib/bdev/lvol/vbdev_lvol_rpc.c
index 7edd3fc27..61041daab 100644
--- a/lib/bdev/lvol/vbdev_lvol_rpc.c
+++ b/lib/bdev/lvol/vbdev_lvol_rpc.c
@@ -42,6 +42,7 @@ SPDK_LOG_REGISTER_TRACE_FLAG("lvolrpc", SPDK_TRACE_LVOL_RPC)
 
 struct rpc_construct_lvol_store {
 	char *base_name;
+	uint32_t cluster_sz;
 };
 
 static void
@@ -52,6 +53,7 @@ free_rpc_construct_lvol_store(struct rpc_construct_lvol_store *req)
 
 static const struct spdk_json_object_decoder rpc_construct_lvol_store_decoders[] = {
 	{"base_name", offsetof(struct rpc_construct_lvol_store, base_name), spdk_json_decode_string},
+	{"cluster_sz", offsetof(struct rpc_construct_lvol_store, cluster_sz), spdk_json_decode_uint32, true},
 };
 
 static void
@@ -114,7 +116,7 @@ spdk_rpc_construct_lvol_store(struct spdk_jsonrpc_request *request,
 		goto invalid;
 	}
 
-	rc = vbdev_lvs_create(bdev, _spdk_rpc_lvol_store_construct_cb, request);
+	rc = vbdev_lvs_create(bdev, req.cluster_sz, _spdk_rpc_lvol_store_construct_cb, request);
 	if (rc < 0) {
 		goto invalid;
 	}
diff --git a/lib/lvol/lvol.c b/lib/lvol/lvol.c
index 257f4ba2b..fb83b8251 100644
--- a/lib/lvol/lvol.c
+++ b/lib/lvol/lvol.c
@@ -70,18 +70,32 @@ _lvs_init_cb(void *cb_arg, struct spdk_blob_store *bs, int lvserrno)
 	free(lvs_req);
 }
 
+static void
+spdk_setup_lvs_opts(struct spdk_bs_opts *bs_opts, struct spdk_lvs_opts *o)
+{
+	spdk_bs_opts_init(bs_opts);
+	if (o) {
+		bs_opts->cluster_sz = o->cluster_sz;
+	} else {
+		bs_opts->cluster_sz = SPDK_LVS_OPTS_CLUSTER_SZ;
+	}
+}
+
 int
-spdk_lvs_init(struct spdk_bs_dev *bs_dev, spdk_lvs_op_with_handle_complete cb_fn,
-	      void *cb_arg)
+spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
+	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
 {
 	struct spdk_lvol_store *lvs;
 	struct spdk_lvs_with_handle_req *lvs_req;
+	struct spdk_bs_opts opts;
 
 	if (bs_dev == NULL) {
 		SPDK_ERRLOG("Blobstore device does not exist\n");
 		return -ENODEV;
 	}
 
+	spdk_setup_lvs_opts(&opts, o);
+
 	lvs = calloc(1, sizeof(*lvs));
 	if (!lvs) {
 		SPDK_ERRLOG("Cannot alloc memory for lvol store base pointer\n");
@@ -103,7 +117,7 @@ spdk_lvs_init(struct spdk_bs_dev *bs_dev, spdk_lvs_op_with_handle_complete cb_fn
 	lvs->bs_dev = bs_dev;
 
 	SPDK_INFOLOG(SPDK_TRACE_LVOL, "Initializing lvol store\n");
-	spdk_bs_init(bs_dev, NULL, _lvs_init_cb, lvs_req);
+	spdk_bs_init(bs_dev, &opts, _lvs_init_cb, lvs_req);
 
 	return 0;
 }
diff --git a/scripts/rpc.py b/scripts/rpc.py
index 9979ae583..b02f39523 100755
--- a/scripts/rpc.py
+++ b/scripts/rpc.py
@@ -258,9 +258,14 @@ p.set_defaults(func=construct_error_bdev)
 
 def construct_lvol_store(args):
     params = {'base_name': args.base_name}
+
+    if args.cluster_sz:
+        params['cluster_sz'] = args.cluster_sz
+
     print_array(jsonrpc_call('construct_lvol_store', params))
 p = subparsers.add_parser('construct_lvol_store', help='Add logical volume store on base bdev')
 p.add_argument('base_name', help='base bdev name')
+p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int, required=False)
 p.set_defaults(func=construct_lvol_store)
 
 
diff --git a/test/iscsi_tgt/lvol/iscsi_lvol.sh b/test/iscsi_tgt/lvol/iscsi_lvol.sh
index bf761cded..a9fe4ae5c 100755
--- a/test/iscsi_tgt/lvol/iscsi_lvol.sh
+++ b/test/iscsi_tgt/lvol/iscsi_lvol.sh
@@ -40,7 +40,7 @@ for i in `seq 0 9`; do
     INITIATOR_TAG=$((i+2))
     $rpc_py add_initiator_group $INITIATOR_TAG $INITIATOR_NAME $NETMASK
     bdev=$($rpc_py construct_malloc_bdev $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE)
-    ls_guid=$($rpc_py construct_lvol_store $bdev)
+    ls_guid=$($rpc_py construct_lvol_store $bdev -c 1048576)
     LUNs=""
     for j in `seq 0 0`; do
         lb_guid=$($rpc_py construct_lvol_bdev $ls_guid 10)
diff --git a/test/nvmf/lvol/nvmf_lvol.sh b/test/nvmf/lvol/nvmf_lvol.sh
index 7db9bb74e..7611e405f 100755
--- a/test/nvmf/lvol/nvmf_lvol.sh
+++ b/test/nvmf/lvol/nvmf_lvol.sh
@@ -47,7 +47,7 @@ lvol_bdevs=()
 # Create malloc backends and creat lvol store on each
 for i in `seq 1 $SUBSYS_NR`; do
 	bdev="$($rpc_py construct_malloc_bdev $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE)"
-	ls_guid="$($rpc_py construct_lvol_store $bdev)"
+	ls_guid="$($rpc_py construct_lvol_store $bdev -c 1048576)"
 	lvol_stores+=("$ls_guid")
 
 	# 1 NVMe-OF subsystem per malloc bdev / lvol store / 10 lvol bdevs
diff --git a/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c b/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c
index 37e04bdc3..d05a5a7e2 100644
--- a/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c
+++ b/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c
@@ -96,7 +96,8 @@ spdk_bdev_create_bs_dev(struct spdk_bdev *bdev, spdk_bdev_remove_cb_t remove_cb,
 }
 
 int
-spdk_lvs_init(struct spdk_bs_dev *bs_dev, spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
+spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
+	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
 {
 	struct spdk_lvol_store *lvs;
 	int error = 0;
@@ -373,7 +374,7 @@ ut_lvol_hotremove(void)
 	g_bs_dev = NULL;
 
 	/* Lvol store is succesfully created */
-	rc = vbdev_lvs_create(&g_bdev, lvol_store_op_with_handle_complete, NULL);
+	rc = vbdev_lvs_create(&g_bdev, 0, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	CU_ASSERT(g_lvol_store != NULL);
@@ -460,7 +461,7 @@ ut_lvs_init(void)
 	/* spdk_lvs_init() fails */
 	lvol_store_initialize_fail = true;
 
-	rc = vbdev_lvs_create(&g_bdev, lvol_store_op_with_handle_complete, NULL);
+	rc = vbdev_lvs_create(&g_bdev, 0, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc != 0);
 	CU_ASSERT(g_lvserrno == 0);
 	CU_ASSERT(g_lvol_store == NULL);
@@ -471,7 +472,7 @@ ut_lvs_init(void)
 	/* spdk_lvs_init_cb() fails */
 	lvol_store_initialize_cb_fail = true;
 
-	rc = vbdev_lvs_create(&g_bdev, lvol_store_op_with_handle_complete, NULL);
+	rc = vbdev_lvs_create(&g_bdev, 0, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno != 0);
 	CU_ASSERT(g_lvol_store == NULL);
@@ -480,7 +481,7 @@ ut_lvs_init(void)
 	lvol_store_initialize_cb_fail = false;
 
 	/* Lvol store is succesfully created */
-	rc = vbdev_lvs_create(&g_bdev, lvol_store_op_with_handle_complete, NULL);
+	rc = vbdev_lvs_create(&g_bdev, 0, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	CU_ASSERT(g_lvol_store != NULL);
@@ -492,7 +493,7 @@ ut_lvs_init(void)
 	g_bs_dev = NULL;
 
 	/* Bdev with lvol store already claimed */
-	rc = vbdev_lvs_create(&g_bdev, lvol_store_op_with_handle_complete, NULL);
+	rc = vbdev_lvs_create(&g_bdev, 0, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc != 0);
 	CU_ASSERT(g_lvserrno == 0);
 	CU_ASSERT(g_lvol_store == NULL);
diff --git a/test/unit/lib/lvol/lvol.c/lvol_ut.c b/test/unit/lib/lvol/lvol.c/lvol_ut.c
index b8ae29cf8..b1de9338a 100644
--- a/test/unit/lib/lvol/lvol.c/lvol_ut.c
+++ b/test/unit/lib/lvol/lvol.c/lvol_ut.c
@@ -45,10 +45,16 @@
 #define BS_CLUSTER_SIZE (1024 * 1024)
 #define BS_FREE_CLUSTERS (DEV_BUFFER_SIZE / BS_CLUSTER_SIZE)
 
+#define SPDK_BLOB_OPTS_CLUSTER_SZ (1024 * 1024)
+#define SPDK_BLOB_OPTS_NUM_MD_PAGES UINT32_MAX
+#define SPDK_BLOB_OPTS_MAX_MD_OPS 32
+#define SPDK_BLOB_OPTS_MAX_CHANNEL_OPS 512
+
 int g_lvserrno;
 int g_resize_rc;
 struct spdk_lvol_store *g_lvol_store;
 struct spdk_lvol *g_lvol;
+struct spdk_bs_opts g_bs_opts;
 struct spdk_blob_store {};
 
 struct spdk_io_channel *spdk_bs_alloc_io_channel(struct spdk_blob_store *bs)
@@ -85,6 +91,8 @@ spdk_bs_init(struct spdk_bs_dev *dev, struct spdk_bs_opts *o,
 
 	bs = calloc(1, sizeof(*bs));
 
+	memcpy(&g_bs_opts, o, sizeof(struct spdk_bs_opts));
+
 	cb_fn(cb_arg, bs, 0);
 }
 
@@ -110,6 +118,15 @@ spdk_blob_get_id(struct spdk_blob *blob)
 	return id;
 }
 
+void
+spdk_bs_opts_init(struct spdk_bs_opts *opts)
+{
+	opts->cluster_sz = SPDK_BLOB_OPTS_CLUSTER_SZ;
+	opts->num_md_pages = SPDK_BLOB_OPTS_NUM_MD_PAGES;
+	opts->max_md_ops = SPDK_BLOB_OPTS_MAX_MD_OPS;
+	opts->max_channel_ops = SPDK_BLOB_OPTS_MAX_CHANNEL_OPS;
+}
+
 uint64_t
 spdk_bs_get_cluster_size(struct spdk_blob_store *bs)
 {
@@ -191,7 +208,8 @@ lvs_init_unload_success(void)
 	spdk_allocate_thread(_lvol_send_msg, NULL, NULL);
 
 	g_lvserrno = -1;
-	rc = spdk_lvs_init(&bs_dev, lvol_store_op_with_handle_complete, NULL);
+
+	rc = spdk_lvs_init(&bs_dev, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
@@ -205,6 +223,35 @@ lvs_init_unload_success(void)
 	spdk_free_thread();
 }
 
+static void
+lvs_init_opts_success(void)
+{
+	struct spdk_bs_dev bs_dev;
+	struct spdk_lvs_opts opts;
+	int rc = 0;
+
+	init_dev(&bs_dev);
+
+	spdk_allocate_thread(_lvol_send_msg, NULL, NULL);
+
+	g_lvserrno = -1;
+
+	opts.cluster_sz = 8192;
+	rc = spdk_lvs_init(&bs_dev, &opts, lvol_store_op_with_handle_complete, NULL);
+	CU_ASSERT(rc == 0);
+	CU_ASSERT(g_lvserrno == 0);
+	CU_ASSERT(g_bs_opts.cluster_sz == opts.cluster_sz);
+	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
+
+	g_lvserrno = -1;
+	rc = spdk_lvs_unload(g_lvol_store, lvol_store_op_complete, NULL);
+	CU_ASSERT(rc == 0);
+	CU_ASSERT(g_lvserrno == 0);
+	g_lvol_store = NULL;
+
+	spdk_free_thread();
+}
+
 static void
 lvs_unload_lvs_is_null_fail(void)
 {
@@ -231,7 +278,7 @@ lvol_create_destroy_success(void)
 	spdk_allocate_thread(_lvol_send_msg, NULL, NULL);
 
 	g_lvserrno = -1;
-	rc = spdk_lvs_init(&bs_dev, lvol_store_op_with_handle_complete, NULL);
+	rc = spdk_lvs_init(&bs_dev, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
@@ -263,11 +310,11 @@ lvol_create_fail(void)
 
 	g_lvol_store = NULL;
 	g_lvserrno = 0;
-	rc = spdk_lvs_init(NULL, lvol_store_op_with_handle_complete, NULL);
+	rc = spdk_lvs_init(NULL, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc != 0);
 	CU_ASSERT(g_lvol_store == NULL);
 
-	rc = spdk_lvs_init(&bs_dev, lvol_store_op_with_handle_complete, NULL);
+	rc = spdk_lvs_init(&bs_dev, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
 
@@ -299,7 +346,7 @@ lvol_destroy_fail(void)
 
 	spdk_allocate_thread(_lvol_send_msg, NULL, NULL);
 
-	rc = spdk_lvs_init(&bs_dev, lvol_store_op_with_handle_complete, NULL);
+	rc = spdk_lvs_init(&bs_dev, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
@@ -330,7 +377,7 @@ lvol_close_fail(void)
 
 	spdk_allocate_thread(_lvol_send_msg, NULL, NULL);
 
-	rc = spdk_lvs_init(&bs_dev, lvol_store_op_with_handle_complete, NULL);
+	rc = spdk_lvs_init(&bs_dev, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
@@ -362,7 +409,7 @@ lvol_close_success(void)
 	spdk_allocate_thread(_lvol_send_msg, NULL, NULL);
 
 	g_lvserrno = -1;
-	rc = spdk_lvs_init(&bs_dev, lvol_store_op_with_handle_complete, NULL);
+	rc = spdk_lvs_init(&bs_dev, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
@@ -394,7 +441,7 @@ lvol_resize(void)
 
 	g_resize_rc = 0;
 	g_lvserrno = -1;
-	rc = spdk_lvs_init(&bs_dev, lvol_store_op_with_handle_complete, NULL);
+	rc = spdk_lvs_init(&bs_dev, NULL, lvol_store_op_with_handle_complete, NULL);
 	CU_ASSERT(rc == 0);
 	CU_ASSERT(g_lvserrno == 0);
 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
@@ -462,6 +509,7 @@ int main(int argc, char **argv)
 
 	if (
 		CU_add_test(suite, "lvs_init_unload_success", lvs_init_unload_success) == NULL ||
+		CU_add_test(suite, "lvs_init_opts_success", lvs_init_opts_success) == NULL ||
 		CU_add_test(suite, "lvs_unload_lvs_is_null_fail", lvs_unload_lvs_is_null_fail) == NULL ||
 		CU_add_test(suite, "lvol_create_destroy_success", lvol_create_destroy_success) == NULL ||
 		CU_add_test(suite, "lvol_create_fail", lvol_create_fail) == NULL ||