LCM中的“停止更新”功能

  • 2021年11月19日
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可能存在这样的场景:LCM(生命周期管理)更新操作已经启动，然后由于以下原因，我们需要在两者之间取消它:

1) LCM操作比预定的维护窗口花费更多的时间

2) LCM操作错误启动，希望尽快取消

从LCM 2.4.0.3和更高版本开始，我们现在可以通过Prism取消或中止正在进行的LCM更新操作，使用LCM页面上可用的“停止更新”特性。无论何时在LCM中使用这个特性，它都会在Nutanix集群中设置一个取消意图，该意图告诉LCM在下一个安全点停止更新。重要的一点是，更新可能不会在取消意图被调用后立即被取消，因为LCM会在下一个安全点停止更新。因此，我们必须等到更新到达下一个安全点。这个安全点是由LCM框架决定的，它取决于取消意图被设置的阶段。

请参考kb - 4872了解更多关于LCM中的“停止更新”特性及其用法。

There could be scenarios where LCM (Life Cycle Management) update operation was initiated, and then we need to cancel it in between due to any of the following reasons:<\/p>

\u00a0<\/p>

1) LCM operation takes more time than the scheduled maintenance window<\/p>

2) LCM operation was initiated by mistake, and so we want to cancel it soon<\/p>

\u00a0<\/p>

Starting LCM 2.4.0.3 and later versions, we can now cancel or abort an ongoing LCM update operation using the \"Stop Update\" feature available on the LCM page via Prism. Whenever this feature is used in LCM, it sets a cancel intent in the Nutanix cluster, which tells LCM to stop the update at the next safe point. The important point is that the update may not be canceled immediately after the cancel intent is invoked since LCM stops it at the next safe point. Hence, we will have to wait until the update reaches the next safe point. This safe point is determined by the LCM framework, which depends on the phase at which the cancel intent was set.<\/p>

\u00a0<\/p>

Kindly refer to KB-4872<\/a> to know more about the 'Stop Update' feature in LCM along with its usage.<\/p>","quoteUsername":"Nupur.Sakhalkar","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

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