diff --git a/app/models/ticket/search_index.rb b/app/models/ticket/search_index.rb
index ac55675aa..6e7267651 100644
--- a/app/models/ticket/search_index.rb
+++ b/app/models/ticket/search_index.rb
@@ -62,7 +62,6 @@ returns
         file = Store.find( attachment.id )
         data = {
             "_name"   => file.filename,
-#            "_content_type" => file.preferences['Mime-Type'],
             "content" => Base64.encode64( file.store_file.data )
         }
         article_attributes['attachments'].push data
diff --git a/lib/search_index_backend.rb b/lib/search_index_backend.rb
index c716613b9..74bc5c623 100644
--- a/lib/search_index_backend.rb
+++ b/lib/search_index_backend.rb
@@ -4,6 +4,63 @@ class SearchIndexBackend
 
 =begin
 
+create/update/delete index
+
+  SearchIndexBackend.index(
+    :action => 'create',  # create/update/delete
+    :data   => {
+      :mappings => {
+        :Ticket => {
+          :properties => {
+            :articles_all => {
+              :type       => 'nested',
+              :properties => {
+                'attachments' => { :type => 'attachment' }
+              } 
+            }
+          } 
+        }  
+      }
+    }
+  )
+
+  SearchIndexBackend.index(
+    :action => 'delete',  # create/update/delete
+    :name   => 'Ticket',    # optional
+  )
+
+  SearchIndexBackend.index(
+    :action => 'delete',  # create/update/delete
+  )
+=end
+
+  def self.index(data)
+
+    url = build_url( data[:name] )
+    return if !url
+
+    if data[:action] && data[:action] == 'delete'
+      return SearchIndexBackend.remove( data[:name] )
+    end
+
+    puts "# curl -X PUT \"#{url}\" -d '#{data[:data].to_json}'"
+
+    conn     = connection( url )
+    response = conn.put do |req|
+      req.url url
+      req.headers['Content-Type'] = 'application/json'
+      req.body = data[:data].to_json
+    end
+#    puts response.body.to_s
+    puts "# #{response.status.to_s}"
+    return true if response.success?
+    data = JSON.parse( response.body )
+    raise data.inspect
+    #return { :data => data, :response => response }
+  end
+
+=begin
+
 add new object to search index
 
   SearchIndexBackend.add( 'Ticket', some_data_object )
@@ -79,41 +136,28 @@ return search result
     data['sort'] = 
     [
       {
-        'updated_at' => {
-          'order' => 'desc'
+        :updated_at => {
+          :order => 'desc'
         }
       },
       "_score"
     ]
+
     data['query'] = query_extention || {}
     if !data['query']['bool']
       data['query']['bool'] = {}
     end
-#    data['query']['text_phrase'] = {}
-#    data['query']['text_phrase']['to'] = query
-#    data['query']['bool'] = {}
-#    data['query']['bool']['must'] = {}
-#    data['query']['bool']['must']['term'] = {}
-#    data['query']['bool']['must']['term']['title'] = '*z*'
     if !data['query']['bool']['must']
       data['query']['bool']['must'] = []
     end
 
-#    if !data['query']['query_string']
-#      data['query']['query_string'] = {}
-#    end
+    # real search condition
     condition = {
       'query_string' => {
         'query' => query
       }
     }
     data['query']['bool']['must'].push condition
-#    data['query']['query_string']['query'] = query
-#query_string":{"query":"10005
-#    data['filtered'] = {}
-#    data['filtered']['query'] = {}
-#    data['filtered']['query']['match'] = {}
-#    data['filtered']['query']['match']['_all'] = query
 
     puts "# curl -X POST \"#{url}\" -d '#{data.to_json}'"
 
diff --git a/lib/tasks/search_index_es.rake b/lib/tasks/search_index_es.rake
new file mode 100644
index 000000000..2cbc445f2
--- /dev/null
+++ b/lib/tasks/search_index_es.rake
@@ -0,0 +1,58 @@
+$LOAD_PATH << './lib'
+require 'rubygems'
+
+namespace :searchindex do
+  task :drop, [:opts] => :environment do |t, args|
+
+    # drop indexes
+    puts "drop indexes..."
+    SearchIndexBackend.index(
+      :action => 'delete',
+    )
+
+  end
+
+  task :create, [:opts] => :environment do |t, args|
+
+    # create indexes
+    puts "create indexes..."
+    SearchIndexBackend.index(
+      :action => 'create',
+      :data   => {
+        :mappings => {
+          :Ticket => {
+            :_source => { :excludes => [ 'articles_all.attachments', 'articles_external.attachments' ] },
+            :properties => {
+              :articles_all => {
+                :type       => 'nested',
+                :properties => {
+                  :attachments => {
+                    :type   => 'attachment',
+                  }
+                } 
+              }
+            } 
+          }  
+        }
+      }
+    )
+
+  end
+
+  task :reload, [:opts] => :environment do |t, args|
+
+    puts "create data..."
+    User.search_index_reload
+    Organization.search_index_reload
+    Ticket.search_index_reload
+
+  end
+
+  task :rebuild, [:opts] => :environment do |t, args|
+
+    Rake::Task["searchindex:drop"].execute
+    Rake::Task["searchindex:create"].execute
+    Rake::Task["searchindex:reload"].execute
+
+  end
+end