diff --git a/plugins/dynamix/ArrayOperation.page b/plugins/dynamix/ArrayOperation.page
index a419c3a24..868b19789 100644
--- a/plugins/dynamix/ArrayOperation.page
+++ b/plugins/dynamix/ArrayOperation.page
@@ -144,36 +144,42 @@ function getFileContent(event,form) {
   reader.readAsDataURL(input.files[0]);
 }
 function prepareInput(form) {
-  $(form).append('<input type="hidden" name="cmdStart" value="Start">');
-  if (form.input === undefined) {
-    form.submit();
-    return;
-  }
-  form.input.disabled = true;
-  form.local.disabled = true;
-  form.file.disabled = true;
-  form.text.disabled = true;
-  form.copy.disabled = true;
-  if (form.text.value) {
-    var valid = new RegExp('^[ -~]+$');
-    if (valid.test(form.text.value)) {
-      $(form).append('<input type="hidden" name="luksKey" value="'+base64(form.text.value)+'">');
-      form.submit();
+  $.post('/webGui/include/Report.php',{cmd:'state',pools:'<?=implode(',',$pools)?>'},function(state) {
+    if (state.length==0) {
+      $(form).append('<input type="hidden" name="cmdStart" value="Start">');
+      if (form.input === undefined) {
+        form.submit();
+        return;
+      }
+      form.input.disabled = true;
+      form.local.disabled = true;
+      form.file.disabled = true;
+      form.text.disabled = true;
+      form.copy.disabled = true;
+      if (form.text.value) {
+        var valid = new RegExp('^[ -~]+$');
+        if (valid.test(form.text.value)) {
+          $(form).append('<input type="hidden" name="luksKey" value="'+base64(form.text.value)+'">');
+          form.submit();
+        } else {
+          form.input.disabled = false;
+          form.local.disabled = false;
+          form.file.disabled = false;
+          form.text.disabled = false;
+          form.copy.disabled = false;
+          swal({title:"_(Printable Characters Only)_",text:"_(Use **ASCII** characters from space ' ' to tilde '~')_<br>_(Otherwise use the **keyfile** method for UTF8 input)_",html:true,type:'error',confirmButtonText:"_(Ok)_"});
+        }
+        return;
+      }
+      var data = {};
+      data['#file'] = 'unused';
+      data['#include'] = 'webGui/include/KeyUpload.php';
+      data['file'] = form.file.value;
+      $.post('/update.php',data,function(){form.submit();});
     } else {
-      form.input.disabled = false;
-      form.local.disabled = false;
-      form.file.disabled = false;
-      form.text.disabled = false;
-      form.copy.disabled = false;
-      swal({title:"_(Printable Characters Only)_",text:"_(Use **ASCII** characters from space ' ' to tilde '~')_<br>_(Otherwise use the **keyfile** method for UTF8 input)_",html:true,type:'error',confirmButtonText:"_(Ok)_"});
+      swal({title:"_(Wrong Pool State)_",text:state,type:'error',html:true,confirmButtonText:"_(Ok)_"});
     }
-    return;
-  }
-  var data = {};
-  data['#file'] = 'unused';
-  data['#include'] = 'webGui/include/KeyUpload.php';
-  data['file'] = form.file.value;
-  $.post('/update.php',data,function(){form.submit();});
+  });
 }
 function parityWarning(form) {
   if (form.md_invalidslot.checked) {
diff --git a/plugins/dynamix/include/Report.php b/plugins/dynamix/include/Report.php
index 76fb4e5cf..bfda0d188 100644
--- a/plugins/dynamix/include/Report.php
+++ b/plugins/dynamix/include/Report.php
@@ -1,6 +1,6 @@
 <?PHP
-/* Copyright 2005-2021, Lime Technology
- * Copyright 2012-2021, Bergware International.
+/* Copyright 2005-2023, Lime Technology
+ * Copyright 2012-2023, Bergware International.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version 2,
@@ -11,7 +11,7 @@
  */
 ?>
 <?
-switch ($_POST['cmd']) {
+switch ($_POST['cmd']??'') {
 case 'config':
   $config = "/boot/config";
   $files  = ['disk:0','docker:1','domain:1','flash:0','ident:1','share:0']; // config files to check
@@ -37,5 +37,12 @@ case 'notice':
   $notices = file_exists($tmp) ? file($tmp,FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES) : [];
   echo implode("\n",array_map('unbundle',$notices));
   break;
+case 'state':
+  $pools = explode(',',$_POST['pools']);
+  $disks = parse_ini_file('state/disks.ini',true);
+  $error = [];
+  foreach ($pools as $pool) if ($disks[$pool]['state'] != 'STOPPED') $error[] = $pool.' - '.$disks[$pool]['state'];
+  echo implode('<br>',$error);
+  break;
 }
 ?>