diff --git a/test/unit/lib/bdev/bdev.c/bdev_ut.c b/test/unit/lib/bdev/bdev.c/bdev_ut.c
index 71db10756..961bb1ad0 100644
--- a/test/unit/lib/bdev/bdev.c/bdev_ut.c
+++ b/test/unit/lib/bdev/bdev.c/bdev_ut.c
@@ -1016,6 +1016,69 @@ bdev_io_split(void)
 	CU_ASSERT(g_io_done == true);
 	CU_ASSERT(g_bdev_ut_channel->outstanding_io_count == 0);
 
+	/* Test multi vector command that needs to be split by strip and then needs to be
+	 * split further due to the capacity of child iovs. In this case, the length of
+	 * the rest of iovec array with an I/O boundary is the multiple of block size.
+	 */
+
+	/* Fill iovec array for exactly one boundary. The iovec cnt for this boundary
+	 * is BDEV_IO_NUM_CHILD_IOV + 1, which exceeds the capacity of child iovs.
+	 */
+	for (i = 0; i < BDEV_IO_NUM_CHILD_IOV - 2; i++) {
+		iov[i].iov_base = (void *)((i + 1) * 0x10000);
+		iov[i].iov_len = 512;
+	}
+	for (i = BDEV_IO_NUM_CHILD_IOV - 2; i < BDEV_IO_NUM_CHILD_IOV; i++) {
+		iov[i].iov_base = (void *)((i + 1) * 0x10000);
+		iov[i].iov_len = 256;
+	}
+	iov[BDEV_IO_NUM_CHILD_IOV].iov_base = (void *)((BDEV_IO_NUM_CHILD_IOV + 1) * 0x10000);
+	iov[BDEV_IO_NUM_CHILD_IOV].iov_len = 512;
+
+	/* Add an extra iovec to trigger split */
+	iov[BDEV_IO_NUM_CHILD_IOV + 1].iov_base = (void *)((BDEV_IO_NUM_CHILD_IOV + 2) * 0x10000);
+	iov[BDEV_IO_NUM_CHILD_IOV + 1].iov_len = 512;
+
+	bdev->optimal_io_boundary = BDEV_IO_NUM_CHILD_IOV;
+	g_io_done = false;
+	expected_io = ut_alloc_expected_io(SPDK_BDEV_IO_TYPE_READ, 0,
+					   BDEV_IO_NUM_CHILD_IOV - 1, BDEV_IO_NUM_CHILD_IOV);
+	for (i = 0; i < BDEV_IO_NUM_CHILD_IOV - 2; i++) {
+		ut_expected_io_set_iov(expected_io, i,
+				       (void *)((i + 1) * 0x10000), 512);
+	}
+	for (i = BDEV_IO_NUM_CHILD_IOV - 2; i < BDEV_IO_NUM_CHILD_IOV; i++) {
+		ut_expected_io_set_iov(expected_io, i,
+				       (void *)((i + 1) * 0x10000), 256);
+	}
+	TAILQ_INSERT_TAIL(&g_bdev_ut_channel->expected_io, expected_io, link);
+
+	expected_io = ut_alloc_expected_io(SPDK_BDEV_IO_TYPE_READ, BDEV_IO_NUM_CHILD_IOV - 1,
+					   1, 1);
+	ut_expected_io_set_iov(expected_io, 0,
+			       (void *)((BDEV_IO_NUM_CHILD_IOV + 1) * 0x10000), 512);
+	TAILQ_INSERT_TAIL(&g_bdev_ut_channel->expected_io, expected_io, link);
+
+	expected_io = ut_alloc_expected_io(SPDK_BDEV_IO_TYPE_READ, BDEV_IO_NUM_CHILD_IOV,
+					   1, 1);
+	ut_expected_io_set_iov(expected_io, 0,
+			       (void *)((BDEV_IO_NUM_CHILD_IOV + 2) * 0x10000), 512);
+	TAILQ_INSERT_TAIL(&g_bdev_ut_channel->expected_io, expected_io, link);
+
+	rc = spdk_bdev_readv_blocks(desc, io_ch, iov, BDEV_IO_NUM_CHILD_IOV + 2, 0,
+				    BDEV_IO_NUM_CHILD_IOV + 1, io_done, NULL);
+	CU_ASSERT(rc == 0);
+	CU_ASSERT(g_io_done == false);
+
+	CU_ASSERT(g_bdev_ut_channel->outstanding_io_count == 1);
+	stub_complete_io(1);
+	CU_ASSERT(g_io_done == false);
+
+	CU_ASSERT(g_bdev_ut_channel->outstanding_io_count == 2);
+	stub_complete_io(2);
+	CU_ASSERT(g_io_done == true);
+	CU_ASSERT(g_bdev_ut_channel->outstanding_io_count == 0);
+
 	/* Test multi vector command that needs to be split by strip and then needs to be
 	 * split further due to the capacity of child iovs, but fails to split. The cause
 	 * of failure of split is that the length of an iovec is not multiple of block size.