diff --git a/db/migrate/20251015130601_active_storage_migration.rb b/db/migrate/20251015130601_active_storage_migration.rb
index a0cda595..277fdc30 100644
--- a/db/migrate/20251015130601_active_storage_migration.rb
+++ b/db/migrate/20251015130601_active_storage_migration.rb
@@ -22,6 +22,11 @@ class ActiveStorageMigration < ActiveRecord::Migration[7.0]
   # File system -> Active Storage
   def up
     $stdout.puts 'It could be a very long process. Be patient...'
+    # We need to keep updated_at column unchanged and due to the asynchronous file analysis there is probably no better
+    # way how to achieve that.
+    add_column :dmsf_file_revisions, :temp_updated_at, :datetime, default: nil,
+               null: true, if_not_exists: true
+    DmsfFileRevision.update_all 'temp_updated_at = updated_at'
     # Remove the Xapian database as it will be rebuilt from scratch during the migration
     if xapian_database_removed?
       $stdout.puts 'The Xapian database has been removed as it will be rebuilt from scratch during the migration'
@@ -72,7 +77,10 @@ class ActiveStorageMigration < ActiveRecord::Migration[7.0]
         $stdout.puts "#{File.join(key[0..1], key[2..3], key)} (#{a.blob.filename}) => #{new_path}"
       end
       # Remove the original file
-      a.blob.purge
+      r.record_timestamps = false # Do not modify updated_at column
+      DmsfFileRevision.no_touching do
+        a.purge
+      end
     end
     # Remove the Xapian database as it is useless now and has to be rebuilt with xapian_indexer.rb
     if xapian_database_removed?
diff --git a/db/migrate/20251017101001_restore_updated_at.rb b/db/migrate/20251017101001_restore_updated_at.rb
new file mode 100644
index 00000000..d44b8790
--- /dev/null
+++ b/db/migrate/20251017101001_restore_updated_at.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+# Redmine plugin for Document Management System "Features"
+#
+# Karel Pičman <karel.picman@kontron.com>
+#
+# This file is part of Redmine DMSF plugin.
+#
+# Redmine DMSF plugin is free software: you can redistribute it and/or modify it under the terms of the GNU General
+# Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
+#
+# Redmine DMSF plugin is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with Redmine DMSF plugin. If not, see
+# <https://www.gnu.org/licenses/>.
+
+# Restore DmsfFileRevision.updated_at from DmsfFileRevision.temp_updated_at column
+class RestoreUpdatedAt < ActiveRecord::Migration[7.0]
+  # temp_updated_at => updated_at
+  def up
+    DmsfFileRevision.update_all 'updated_at = temp_updated_at'
+    remove_column :dmsf_file_revisions, :temp_updated_at
+  end
+end
diff --git a/lib/redmine_dmsf/xapian_analyzer.rb b/lib/redmine_dmsf/xapian_analyzer.rb
index 34ed070d..04dea1bd 100644
--- a/lib/redmine_dmsf/xapian_analyzer.rb
+++ b/lib/redmine_dmsf/xapian_analyzer.rb
@@ -28,13 +28,12 @@ module RedmineDmsf
     end
 
     def metadata
-      index
-      {}
+      { xapian: indexed? }
     end
 
     private
 
-    def index
+    def indexed?
       stem_lang = RedmineDmsf.dmsf_stemming_lang
       db_path = File.join RedmineDmsf.dmsf_index_database, stem_lang
       url = File.join(@blob.key[0..1], @blob.key[2..3])
@@ -44,8 +43,10 @@ module RedmineDmsf
         FileUtils.mv file.path, File.join(dir, @blob.key)
         system "omindex -s \"#{stem_lang}\" -D \"#{db_path}\" --url=/#{url} \"#{dir}\" -p", exception: true
       end
+      true
     rescue StandardError => e
       Rails.logger.error e.message
+      false
     ensure
       FileUtils.rm_f dir
     end