Câu 21: H13-624-V5-5: HCIP-Storage V5.5

When delivering a Huawei OceanStor Pacific scale-out storage project, an engineer introduced the end-to-end data integrity check technology of scale-out storage to the customer. Which of the following statements are false about this technology?

1. A. Block, NAS, and object services support end-to-end data integrity check, but the HDFS service does not.
2. B. For silent data scenarios such as bit change and read offset, the end-to-end data integrity check technology supports logical block addressing (LBA) check of clusters and hosts.
3. C. This technology enables the storage system to implement periodic background data integrity check. When the service load is heavy or service access is frequent, the system automatically starts periodic background data integrity check and self-healing. — đáp án hiện tại
4. D. In this technology, write requests are checked at the system entry (virtual block service). User data is checked again in the object storage device (OSD) before being written to disks. Data is written to disks only after the data integrity check succeeds.