diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index dbaeae143..c7a93eb58 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -3,6 +3,8 @@
 {VSN,
  [
    {"4.2.0", [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {add_module, emqx_congestion},
      {load_module, emqx_alarm, brutal_purge, soft_purge, []},
@@ -33,6 +35,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {"4.2.1", [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {add_module, emqx_congestion},
      {load_module, emqx_alarm, brutal_purge, soft_purge, []},
@@ -62,6 +66,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.[23]">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {add_module, emqx_congestion},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
@@ -89,6 +95,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.4">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
@@ -115,6 +123,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.5">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
@@ -140,6 +150,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.[6-7]">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
@@ -160,6 +172,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.8">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
@@ -175,6 +189,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.9">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
@@ -189,6 +205,8 @@
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.10">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []},
      {load_module, emqx_message, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
@@ -200,6 +218,10 @@
      {load_module, emqx_sys, brutal_purge, soft_purge, []},
      {load_module, emqx_plugins, brutal_purge, soft_purge, []}
    ]},
+   {<<"4.2.11">>, [
+     {load_module, emqx_alarm, brutal_purge, soft_purge, []},
+     {load_module, emqx_banned, brutal_purge, soft_purge, []}
+   ]},
    {<<".*">>, []}
  ],
  [
diff --git a/src/emqx_alarm.erl b/src/emqx_alarm.erl
index d07354105..a2c51134d 100644
--- a/src/emqx_alarm.erl
+++ b/src/emqx_alarm.erl
@@ -113,8 +113,8 @@ mnesia(boot) ->
               {record_name, deactivated_alarm},
               {attributes, record_info(fields, deactivated_alarm)}]);
 mnesia(copy) ->
-    ok = ekka_mnesia:copy_table(?ACTIVATED_ALARM),
-    ok = ekka_mnesia:copy_table(?DEACTIVATED_ALARM).
+    ok = ekka_mnesia:copy_table(?ACTIVATED_ALARM, disc_copies),
+    ok = ekka_mnesia:copy_table(?DEACTIVATED_ALARM, disc_copies).
 
 %%--------------------------------------------------------------------
 %% API
diff --git a/src/emqx_banned.erl b/src/emqx_banned.erl
index 80f93be70..cbcd2e15f 100644
--- a/src/emqx_banned.erl
+++ b/src/emqx_banned.erl
@@ -62,7 +62,7 @@ mnesia(boot) ->
                 {storage_properties, [{ets, [{read_concurrency, true}]}]}]);
 
 mnesia(copy) ->
-    ok = ekka_mnesia:copy_table(?BANNED_TAB).
+    ok = ekka_mnesia:copy_table(?BANNED_TAB, disc_copies).
 
 %% @doc Start the banned server.
 -spec(start_link() -> startlink_ret()).