Description:    err.Error(),
				HTTPStatusCode: http.StatusBadRequest,
			}
		case errors.Is(err, madmin.ErrTierInvalidConfig):
			apiErr = APIError{
				Code:           "XMinioAdminTierInvalidConfig",
				Description:    err.Error(),
				HTTPStatusCode: http.StatusBadRequest,
			}
		case errors.Is(err, madmin.ErrTierInvalidConfigVersion):
			apiErr = APIError{

		Code:       "XMinioAdminTierBackendNotEmpty",
		Message:    "Specified remote backend is not empty",
		StatusCode: http.StatusBadRequest,
	}

	errTierInvalidConfig = AdminError{
		Code:       "XMinioAdminTierInvalidConfig",
		Message:    "Unable to setup remote tier, check tier configuration",
		StatusCode: http.StatusBadRequest,
	}
)

const (
	tierConfigFile    = "tier-config.bin"
	tierConfigFormat  = 1