What are the service groups that can be completed by all-flash storage? (Multiple Choice)

The backup back-end capacity is determined by the initial capacity and data increment.

During the processing of Huawei's distributed storage block service IO stack, the block service of the node that writes the request to EDS writes data into the cache, and the read request has a hit in the current index. If it does not hit, it reads and writes from the cache.

Huawei's SmartVirtulization feature supports offline takeover and online takeover. Which of the following statements about these two methods is correct? (Multiple Choice)

Which of the following scenarios will trigger Huawei OceanStor hybrid flash storage to perform hard disk recovery and reconstruction? (Multiple Choice)