public String getLimitAsStr(final FsVolume volume) {
        if (volume.getByteLimit() == null) {
            return "";
        }
        // Special case for limit as it is user input data so need more precision
        return ModelStringUtil.formatIECByteSizeString(volume.getByteLimit(),
                true,
                ModelStringUtil.DEFAULT_SIGNIFICANT_FIGURES);
    }
Add the columns to the table.
stroom-core-client/src/main/java/stroom/data/store/impl/fs/client/presenter/FsVolumeStatusListPresenter.java