fix msterDisk bug

app/UI/Disk/Validators/DiskSizeValidator.php

@@ -35,7 +35,10 @@ class DiskSizeValidator extends BaseValidator
         $this->minValue =  $diskResource->getMin();
 
         if(!$hdd->isMaster()){
-            $this->minValue =  $size;
+            $this->minValue = $size;
+        }
+        if(!$hdd->getName() == 'disk-0'){
+            $this->minValue = $size;
         }
         if(preg_match("/\./", $data)){
             $this->addValidationError('PleaseProvideANumericValueBetween', false, ['minValue' => $this->minValue, 'maxValue' => $this->maxValue]);