There are two types of services in the storage system of an Internet company, including sequential service A and random service B.
These two businesses often compete for cache resources in the process of reading and writing. Which of the following characteristics can solve this problem?

Which of the following descriptions of Oceanstor 9000 Wushan file system is wrong?

Which of the following statements about SmartQoS is true:
A) Lower-priority I/O can be rejected in favor of higher-priority I/O?
B) SmartQoS uses a queuing system for I/O requests?

In the following description, which options will cause value-added service failures? (Multiple choice)

A bank's production center and disaster recovery center use Huawei's hyper-converged storage. The replication link between sites is recommended to be within 3000 KM, the minimum connection bandwidth is not less than 10 Mbps in both directions, and the average write bandwidth of the replicated volume is less than the remote replication bandwidth.