Note: The maintenance window is not an automatic maintenancepolicy, but it is configurable using the same interface.
注意：维护窗口并不是自动维护策略，但是可以使用相同的界面进行配置。
2
This section examines each automatic maintenancepolicy.
本节将讨论各种自动维护策略。
3
This article focuses on the specification of the maintenancepolicy (which controls the behavior) and the maintenance window (which defines when the operation may take place).