OceanStor V5 Scale-Out is a vertical expansion architecture, that is, it uses the existing storage system to continuously increase the number of disk enclosures to meet the increasing data demand of users.

A company implements continuous data protection for the file system of important applications. When the snapshot of the file system needs to be rolled back, the application sharing mount of the source file system must be canceled.

Which of the following statements are true about the high reliability architecture of Huawei's all-flash storage (Multiple Choice)

Due to the increasing number of cloud users, a security enterprise needs to expand a new data center to respond to storage needs, and plans to purchase flash memory storage devices to support image data storage. The site plans to support 300 video signals, each with a flow rate of 1.5Mbps, and requires that each video signal be reserved for at least one month.
known:
1) The nominal capacity of a single hard disk is 931GB, and two coffer disks are configured, each with a size of 480GB, and the coffer disk is not a member disk of a RAID group;
2) The server uses Windows operating system, and the file system uses NTFS, the space occupancy rate is about 0.01%
3) Due to the influence of large data write traffic and large storage space, the basic cost and data security are considered, the RAID strategy will adopt RAID5, the plan is to configure 80+1P, and use the default hot standby strategy (equivalent to creating one hot spare for each RAID group).
What is the approximate total capacity required for this site?

Huawei all-flash storage equipment needs to be planned and designed before deployment. Which of the following options need to be planned in the storage networking? (Multiple Choice)