public function SuspendServer(DBServer $DBServer)
{
$client = $this->getOsClient($DBServer->GetEnvironmentObject(), $DBServer->GetProperty(\OPENSTACK_SERVER_PROPERTIES::CLOUD_LOCATION));
try {
$client->servers->suspend($DBServer->GetProperty(\OPENSTACK_SERVER_PROPERTIES::SERVER_ID));
} catch (NotFoundException $e) {
throw new InstanceNotFoundException($e->getMessage(), $e->getCode(), $e);
}
return true;
}