Câu 170: H13-629: HCIE-Storage

Which of the following statements is true about the write process of the Elastic erasure coding (EC) feature in Huawei OceanStor Pacific storage?

1. A. When writing data, after the N+M:1 redundancy ratio is configured for the Elastic EC feature, the storage system divides the service data into N data fragments and obtains M parity fragments using EC, and then writes the N+M data fragments to different nodes.
2. B. When writing data, after the N+M:1 redundancy ratio is configured for the Elastic EC feature, the storage system creates N copies of the service data and obtains M copies of parity data using EC, and then writes the N+M copies of data to different nodes.
3. C. When writing data, after the N+M redundancy ratio is configured for the Elastic EC feature, the storage system creates N copies of the service data and obtains M copies of parity data using EC, and then writes the N+M copies of data to different nodes.
4. D. When writing data, after the N+M redundancy ratio is configured for the Elastic EC feature, the storage system divides the service data into N data fragments and obtains M parity fragments using EC, and then writes the N+M data fragments to different nodes. — đáp án hiện tại