A company creates a regular snapshot of its instant chat service file system. When the storage system generates a new snapshot every time, it will automatically use the oldest snapshot.

In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, the average write bandwidth needs 200KB/s, the average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. So how much bandwidth does the application need to deploy synchronous remote replication?

Which of the following descriptions about the C72 node management interface are correct? (Multiple choice)

A customer unit has purchased nine OceanStor9000 storage nodes. When planning and deploying, it requires any three hard disks and one storage node to fail, which does not affect data integrity, and the overall storage space utilization rate is not less than 80%. Which of the following balance ratio appropriate?

Which authentication modes are not supported by the CIFS sharing function of Huawei OceanStor 9000? (Multiple Choice)