def save_object(self, env):
        # Restorer 데몬에 의해 호출됨
        req = Request(env)
        self._split_request_path(req)
        try:
            disk_file = self.get_diskfile(self.device, self.partition,
                                          self.account, self.container,
                                          self.obj)
        except DiskFileDeviceUnavailable:
            return HTTPInsufficientStorage(drive=self.device,
                                           request=Request(env))
        ori_meta = disk_file.read_metadata()
        metadata = {}
        metadata.update(val for val in req.headers.iteritems()
                        if is_user_meta('object', val[0]))
        del metadata['X-Object-Meta-S3-Restored']
        # Timestamp 값 유지
        metadata['X-Timestamp'] = ori_meta['X-Timestamp']
        metadata['Content-Type'] = ori_meta['Content-Type']
        fsize = req.message_length()
        etag = md5()
        try:
            with disk_file.create(size=fsize) as writer:
                def timeout_reader():
                    with ChunkReadTimeout(60):
                        return req.environ['wsgi.input'].read(65536)

                try:
                    for chunk in iter(lambda: timeout_reader(), ''):
                        etag.update(chunk)
                        writer.write(chunk)
                except ChunkReadTimeout:
                    return HTTPRequestTimeout(request=req)

                etag = etag.hexdigest()
                metadata['ETag'] = etag
                metadata['Content-Length'] = str(fsize)

                writer.put(metadata)
        except DiskFileNoSpace:
            return HTTPInsufficientStorage(drive=self.device, request=req)

        return HTTPCreated(request=req, etag=etag)