Which of the following descriptions about Huawei Cloud Stack computing resource expansion is wrong?

Which of the following descriptions about Huawei Cloud Stack computing resource expansion is wrong?
A . If you use Huawei CloudStack Deploy to expand capacity, the cbs-server component will be stopped during the pre-expansion check phase. At this time, a "component failure" error will be reported. The component details are cbs-server, which can be ignored.
B . During the expansion of computing nodes, some components need to be restarted to take effect, which will not affect the business
C . Business delivery is not allowed during the expansion period, and new business delivery may fail
D . During the expansion period, the server to be expanded will restart multiple times, and may report an "abnormal host status" alarm, which needs to be handled manually.

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Answer: D