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Question 315 - H13-624 discussion
Regarding the Huawei Oceanstor 9000 software version upgrade, the correct statement is: (multiple choice)
A.
In order to ensure uninterrupted business, the online upgrade needs to be upgraded node by node, so the cluster upgrade time is related to the number of nodes in the cluster.
B.
There are multiple nodes in a cluster. After a node is successfully upgraded, Users can use the functions of this new upgraded version.
C.
When upgrading a node, if other nodes fail, some business data may be inaccessible
D.
Online upgrade can perform upgrade operations on all nodes in the cluster at the same time
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