diff --git a/plugins/dynamix/ArrayOperation.page b/plugins/dynamix/ArrayOperation.page
index ba81255f2..f6ae6fafe 100644
--- a/plugins/dynamix/ArrayOperation.page
+++ b/plugins/dynamix/ArrayOperation.page
@@ -93,18 +93,22 @@ function selectInput(form) {
     $('#text').show();
     $('#copy').show();
     $('#pass').hide();
+    $('input[name="confirmStart"]').prop('disabled',true);
 <?elseif ($missing):?>
     $('#text').show();
     $('#copy').hide();
     $('#pass').hide();
+    $('input[name="confirmStart"]').prop('disabled',true);
 <?elseif ($wrong):?>
     $('#text').show();
     if ($('input[name="luksReformat"]').prop('checked')) $('#copy').show(); else $('#copy').hide();
     $('#pass').show();
+    $('input[name="confirmStart"]').prop('disabled',true);
 <?endif;?>
     $('#file').hide();
     $('input[name="text"],input[name="copy"]').attr('type',$('input[name="showPass"]').prop('checked')?'text':'password');
-    $('#cmdStart').prop('disabled',$('#copy').is(':visible') ? (form.text.value!=form.copy.value || form.text.value=='') : form.text.value=='');
+    var item = $('input[name="confirmStart"]').length ? $('input[name="confirmStart"]') : $('#cmdStart');
+    item.prop('disabled',$('#copy').is(':visible') ? (form.text.value!=form.copy.value || form.text.value=='') : form.text.value=='');
   } else {
     form.text.value = '';
     form.copy.value = '';
@@ -116,7 +120,8 @@ function selectInput(form) {
 <?else:?>
     $('#pass').hide();
 <?endif;?>
-    $('#cmdStart').prop('disabled',!form.file.value);
+    var item = $('input[name="confirmStart"]').length ? $('input[name="confirmStart"]') : $('#cmdStart');
+    item.prop('disabled',!form.file.value);
   }
 }
 function getFileContent(event,form) {
diff --git a/plugins/dynamix/ShareEdit.page b/plugins/dynamix/ShareEdit.page
index bd31740f5..259fd6b94 100644
--- a/plugins/dynamix/ShareEdit.page
+++ b/plugins/dynamix/ShareEdit.page
@@ -114,7 +114,7 @@ _(Comments)_:
 :end
 
 _(Use cache pool (for new files/directories))_:
-: <span class="input"><select name="shareUseCache" onchange="updateScreen(this.value)"<?=count($pools)?'':' disabled'?>>
+: <span class="input"><select name="shareUseCache" onchange="updateScreen(this.value)"<?=$pool_devices?'':' disabled'?>>
   <?=mk_option($share['useCache'], "no", _('No'))?>
   <?=mk_option($share['useCache'], "yes", _('Yes'))?>
   <?=mk_option($share['useCache'], "prefer", _('Prefer'))?>
diff --git a/plugins/dynamix/UserAdd.page b/plugins/dynamix/UserAdd.page
index 5aaa2efd0..06a2f568f 100644
--- a/plugins/dynamix/UserAdd.page
+++ b/plugins/dynamix/UserAdd.page
@@ -62,10 +62,6 @@ function checkUsername(form) {
     swal({title:"_(Invalid user name)_",text:"_(Use only lowercase letters, digits, underscores and dashes)_",type:"error",confirmButtonText:'_(Ok)_'});
     return false;
   }
-  if (username.match('^(disk[0-9]+|cache[0-9]*|parity[0-9]*|flash)$')) {
-    swal({title:"_(Invalid user name)_",text:"_(Do not use reserved names)_",type:"error",confirmButtonText:'_(Ok)_'});
-    return false;
-  }
   if (form.userPasswordGUI.value.length > 128 || form.userPasswordConfGUI.value.length > 128) {
     swal({title:"_(Password too long)_",text:"_(Use a password up to 128 characters)_",type:"error",confirmButtonText:'_(Ok)_'});
     return false;
@@ -163,10 +159,10 @@ $(function(){
 
 <form markdown="1" name="user_edit" method="POST" action="/update.htm" target="progressFrame" onsubmit="return checkUsername(this)">
 _(User name)_:
-: <input type="text" name="userName" maxlength="32" onKeyUp="this.form.cmdUserEdit.disabled=(this.form.userName.value=='')" pattern="^[a-z_][a-z0-9_-]*[$]?$">
+: <input type="text" name="userName" maxlength="40" onKeyUp="this.form.cmdUserEdit.disabled=(this.form.userName.value=='')" pattern="^[a-z_][a-z0-9_-]*[$]?$">
 
 :help1
-> Usernames may be up to 32 characters long and must start with a **lower case letter** or an underscore,
+> Usernames may be up to 40 characters long and must start with a **lower case letter** or an underscore,
 > followed by **lower case letters**, digits, underscores, or dashes. They can end with a dollar sign.
 :end