Last Updated on September 26, 2021 by Admin 2
Which of the following statements about data protection functions provided by Huawei OceanStor 9000 is false?
- Huawei OceanStor 9000 uses the erasure code technique to provide N+M redundant storage of data.
- Huawei OceanStor 9000 uses the mirroring technique to provide redundant storage of metadata.
- If physical domains are used, the failure of a disk or node in one domain will deteriorate the data reliability of other domains or even cause data loss.
- If the protection level is N+1, a cluster requires a minimum of three nodes.