private boolean isRunning(SystemMember member) {
    if (member instanceof ManagedEntity) {
      return ((ManagedEntity) member).isRunning();

    } else {
      // member must be an application VM. It is running
      return true;
    }
  }
Returns whether or not the given member is running
geode-core/src/main/java/org/apache/geode/admin/internal/AdminDistributedSystemImpl.java