diff --git a/emhttp/plugins/dynamix/DeviceInfo.page b/emhttp/plugins/dynamix/DeviceInfo.page
index a37959a0e..a7cac7575 100755
--- a/emhttp/plugins/dynamix/DeviceInfo.page
+++ b/emhttp/plugins/dynamix/DeviceInfo.page
@@ -267,7 +267,11 @@ function selectDiskFsProfile(init) {
     }
 <?endif;?>
   } else if (($('#diskFsType').val()||'').indexOf('zfs') != -1) {
+    var subpool = "<?=isSubpool(_var($disk,'name'))?>";
     $('#diskFsProfileBTRFS').prop('disabled',true).hide();
+    if (subpool.length) {
+      $('#diskFsType').prop('disabled',true).hide();
+    }
     if (!init) {
       $('#diskFsProfileZFS').prop('disabled',false);
       $('#diskFsWidthZFS').prop('disabled',false);
@@ -601,7 +605,7 @@ _(Spinup group(s))_:
 : <input type="text" name="diskSpinupGroup.<?=_var($disk,'idx',0)?>" maxlength="256" value="<?=_var($disk,'spinupGroup')?>">
 
 <?endif;?>
-<?if (diskType('Data') || isPool($tag)):?>
+<?if (diskType('Data','Parity') || isPool($tag)):?>
 _(Spin down delay)_:
 : <select name="diskSpindownDelay.<?=_var($disk,'idx',0)?>">
   <?=mk_option(_var($disk,'spindownDelay'), "-1", _('Use default'))?>
@@ -620,11 +624,13 @@ _(Spin down delay)_:
   <?=mk_option(_var($disk,'spindownDelay'), "9",  "9 "._('hours'))?>
   </select><span id="smart_selftest" class='orange-text'></span>
 
+<?endif;?>
+<?if (diskType('Data') || isPool($tag)):?>
+<?$fsTypeImmutable = (_var($var,'fsState')=="Stopped" && !empty(_var($disk,'uuid'))) || (_var($var,'fsState')=="Started" &&  _var($disk,'fsType')!='auto')?>
+<?if (diskType('Data') || (!isSubpool($name) && _var($disk,'slots',0)==1)):?>
 _(File system status)_:
 : <?=_(_var($disk,'fsStatus'))?>&nbsp;
 
-<?$fsTypeImmutable = (_var($var,'fsState')=="Stopped" && !empty(_var($disk,'uuid'))) || (_var($var,'fsState')=="Started" &&  _var($disk,'fsType')!='auto')?>
-<?if (diskType('Data') || (!isSubpool($name) && _var($disk,'slots',0)==1)):?>
 _(File system type)_:
 : <select id="diskFsType" name="diskFsType.<?=_var($disk,'idx',0)?>" onchange="changeFsType()" <?=disabled_if($fsTypeImmutable)?>>
   <?=mk_option(_var($disk,'fsType'), "auto", _('auto'))?>
@@ -641,6 +647,9 @@ _(File system type)_:
 :info_file_system_help:
 
 <?elseif (!isSubpool($name) && _var($disk,'slots',0)>1):?>
+_(File system status)_:
+: <?=_(_var($disk,'fsStatus'))?>&nbsp;
+
 _(File system type)_:
 : <select id="diskFsType" name="diskFsType.<?=_var($disk,'idx',0)?>" onchange="selectDiskFsProfile(false)" <?=disabled_if($fsTypeImmutable)?>>
   <?=mk_option(_var($disk,'fsType'), "auto", _('auto'))?>
@@ -649,7 +658,9 @@ _(File system type)_:
   <?=mk_option(_var($disk,'fsType'), "luks:zfs", _('zfs')." - "._('encrypted'))?>
   <?=mk_option(_var($disk,'fsType'), "luks:btrfs", _('btrfs')." - "._('encrypted'))?>
   </select>
-  <select id="diskFsProfileBTRFS" name="diskFsProfile.<?=_var($disk,'idx',0)?>" style="display:none" <?=disabled_if($fsTypeImmutable)?>>
+
+_(Allocation profile)_:
+: <select id="diskFsProfileBTRFS" name="diskFsProfile.<?=_var($disk,'idx',0)?>" style="display:none" <?=disabled_if($fsTypeImmutable)?>>
   <?=mk_option(_var($disk,'fsProfile'),"single", _('single'))?>
   <?if (_var($disk,'slots',0)>=2) echo mk_option(_var($disk,'fsProfile'),"raid0", _('raid0'))?>
   <?if (_var($disk,'slots',0)>=2) echo mk_option(_var($disk,'fsProfile'),"raid1", _('raid1'))?>
@@ -670,8 +681,8 @@ _(File system type)_:
   <select id="diskFsWidthZFS" name="diskFsWidth.<?=_var($disk,'idx',0)?>" style="display:none" <?=disabled_if($fsTypeImmutable)?>>
   </select>
 <?elseif (isSubpool($name)=="special" || isSubpool($name)=="logs" || isSubpool($name)=="dedup"):?>
-_(File system type)_:
-: <select id="diskFsType" name="diskFsType.<?=_var($disk,'idx',0)?>" onchange="selectDiskFsProfile(false)" <?=disabled_if($fsTypeImmutable)?>>
+_(Allocation profile)_:
+: <select id="diskFsType" name="diskFsType.<?=_var($disk,'idx',0)?>" disabled>>
   <?=mk_option(_var($disk,'fsType'), "zfs", _('zfs'))?>
   </select>
   <select id="diskFsProfileZFS" name="diskFsProfile.<?=_var($disk,'idx',0)?>" onchange="selectDiskFsWidth()" <?=disabled_if($fsTypeImmutable)?>>
@@ -682,8 +693,8 @@ _(File system type)_:
   <select id="diskFsWidthZFS" name="diskFsWidth.<?=_var($disk,'idx',0)?>" style="display:none" <?=disabled_if($fsTypeImmutable)?>>
   </select>
 <?elseif (isSubpool($name)=="cache"):?>
-_(File system type)_:
-: <select id="diskFsType" name="diskFsType.<?=_var($disk,'idx',0)?>" onchange="selectDiskFsProfile(false)" <?=disabled_if($fsTypeImmutable)?>>
+_(Allocation profile)_:
+: <select id="diskFsType" name="diskFsType.<?=_var($disk,'idx',0)?>" disabled>>
   <?=mk_option(_var($disk,'fsType'), "zfs", _('zfs'))?>
   </select>
   <select id="diskFsProfileZFS" name="diskFsProfile.<?=_var($disk,'idx',0)?>" onchange="selectDiskFsWidth()" <?=disabled_if($fsTypeImmutable)?>>
@@ -693,10 +704,6 @@ _(File system type)_:
   <select id="diskFsWidthZFS" name="diskFsWidth.<?=_var($disk,'idx',0)?>" style="display:none" <?=disabled_if($fsTypeImmutable)?>>
   </select>
 <?elseif (isSubpool($name)=="spares"):?>
-_(File system type)_:
-: <select id="diskFsType" name="diskFsType.<?=_var($disk,'idx',0)?>" onchange="selectDiskFsProfile(false)" <?=disabled_if($fsTypeImmutable)?>>
-  <?=mk_option(_var($disk,'fsType'), "zfs", _('zfs'))?>
-  </select>
 <?endif;?>
 
 <?if (isSubpool($name)===false):?>