diff --git a/plugins/dynamix.plugin.manager/Update.page b/plugins/dynamix.plugin.manager/Update.page
index abc2cc1c5..eb5b33978 100644
--- a/plugins/dynamix.plugin.manager/Update.page
+++ b/plugins/dynamix.plugin.manager/Update.page
@@ -89,6 +89,7 @@ function loadlist(id,check) {
         case 'return' : updateInfo(data); break;
         case 'install': list.find(tr).remove(); list.append(warning(data)); break;
       }
+      $('#change_branch').prop('disabled',true);
     } else {
 <?if (!$reboot):?>
       updateInfo(data);
diff --git a/plugins/dynamix/DashStats.page b/plugins/dynamix/DashStats.page
index 593cf4d22..2cd6cd12a 100644
--- a/plugins/dynamix/DashStats.page
+++ b/plugins/dynamix/DashStats.page
@@ -663,7 +663,7 @@ function smartMenu(table) {
     opts.push({text:"_(Identity)_",icon:'fa-home',action:function(e){e.preventDefault();identity(page,disk);}});
     if (view.search('green-text') == -1) {
       opts.push({divider:true});
-      opts.push({text:"_(Acknowledge)_",icon:'fa-check-square-o',action:function(e){e.preventDefault();acknowledge(disk);}});
+      opts.push({text:"_(Acknowledge)_",icon:'fa-check-square-o',action:function(e){e.preventDefault();acknowledge(id,disk);}});
     }
     $(id).bind('click',function(){update2.stop();}).bind('mouseout',function(){setTimeout(function(){update2.start();},15000);});
     context.attach(id,opts);
@@ -703,8 +703,8 @@ function identity(page,disk) {
   $.cookie('one',tab,{path:'/'});
   location.replace('/Dashboard/'+page+'?name='+disk);
 }
-function acknowledge(disk) {
-  $.post('/webGui/include/Acknowledge.php',{disk:disk});
+function acknowledge(id,disk) {
+  $.post('/webGui/include/Acknowledge.php',{disk:disk},function(){$(id).removeClass('fa-thumbs-o-down orange-text').addClass('fa-thumbs-o-up green-text');$(id.replace('smart','text')).text("<?=_('healthy')?>");});
 }
 function dropdown(menu) {
   var select = 'select[name="'+menu+'"]';
diff --git a/plugins/dynamix/nchan/device_list b/plugins/dynamix/nchan/device_list
index d4e564e47..0f8b557e8 100755
--- a/plugins/dynamix/nchan/device_list
+++ b/plugins/dynamix/nchan/device_list
@@ -462,6 +462,6 @@ while (true) {
   }
 
   publish('devices', implode("\0",$echo));
-  sleep(1);
+  usleep(250000);
 }
 ?>
diff --git a/plugins/dynamix/nchan/disk_load b/plugins/dynamix/nchan/disk_load
index e5c73a690..e50d157be 100755
--- a/plugins/dynamix/nchan/disk_load
+++ b/plugins/dynamix/nchan/disk_load
@@ -4,7 +4,7 @@ init=0
 declare -a reads writes
 
 # t = poll interval in seconds
-t=3
+t=2
 while :; do
   stats=($(awk '/(sd[a-z]*|nvme[0-9]n1|vd[a-z]) /{print $3,$6,$10,$4,$8}' /proc/diskstats))
   c=0; s=${#stats[@]}
diff --git a/plugins/dynamix/nchan/update_2 b/plugins/dynamix/nchan/update_2
index c7f238bae..35418db23 100755
--- a/plugins/dynamix/nchan/update_2
+++ b/plugins/dynamix/nchan/update_2
@@ -182,7 +182,7 @@ function device_smart(&$disk, &$fail, &$smart) {
   $color  = 'green';
   $file   = "state/smart/$name";
   if (file_exists("$file") && exec("grep -Pom1 '^SMART.*: \K[A-Z]+' ".escapeshellarg($file)." |tr -d '\n' 2>/dev/null", $ssa) && in_array("$ssa",$failed)) {
-    $title = "S.M.A.R.T health-check failed\n"; $thumb = 'thumbs-o-down'; $color = 'red'; $text = 'fail'; $fail++;
+    $title = _('SMART health-check failed')."\n"; $thumb = 'thumbs-o-down'; $color = 'red'; $text = 'fail'; $fail++;
   } else {
     if (empty($saved["smart"]["$name.ack"])) {
       exec("awk 'NR>7{print $1,$2,$4,$6,$9,$10}' ".escapeshellarg($file)." 2>/dev/null", $codes);
@@ -197,7 +197,7 @@ function device_smart(&$disk, &$fail, &$smart) {
     }
   }
   $title .= _('Click for context menu');
-  return "<span id='smart-$name' name=Device class='fa fa-$thumb $color-text' style='margin-right:8px' onmouseover='this.style.cursor=\"pointer\"' title='$title'></span>$text";
+  return "<span id='smart-$name' name=Device class='fa fa-$thumb $color-text' style='margin-right:8px' onmouseover='this.style.cursor=\"pointer\"' title='$title'></span><span id='text-$name'>$text</span>";
 }
 function device_usage(&$disk, &$full, &$high) {
   global $display;
diff --git a/plugins/dynamix/nchan/update_3 b/plugins/dynamix/nchan/update_3
index dfe036e8a..8f484df4c 100755
--- a/plugins/dynamix/nchan/update_3
+++ b/plugins/dynamix/nchan/update_3
@@ -84,6 +84,6 @@ while (true) {
   $stat = implode("\0",$stat);
 
   publish('update3',"$echo\1$mode\1$rxtx\1$stat");
-  sleep(3);
+  sleep(2);
   $time = microtime(true);
 }