The SCSI protocol is the basic protocol for communication between the host and the disk. It is operated by the SCSI controller. The controller is equivalent to a small CPU with its own command set and cache.

All-flash memory (such as Huawei Oceanstor) uses the smartMation architecture to realize the front-end and back-end interconnection. The failure of any controller does not affect the normal business.

Which of the following options belong to the subsystem of the storage device? (Multiple Choice)

When using the NFS protocol, adding a client and setting read and write permissions will have an impact on performance.

Storage disaster recovery technology is mature, with a wide range of options.