default float getDiskUsagePercentage() {
    return ManagementConstants.NOT_AVAILABLE_FLOAT;
  }
Returns the usage percentage of this disk storage if directories where created with max size.

@return the usage percentage of this disk storage if directories where created with max size
@since Geode 1.10
geode-core/src/main/java/org/apache/geode/management/DiskStoreMXBean.java