Regarding the description of Huawei OceanStor storage system safe disk, which of the following is...

Analysis: There are two kinds of safe disks in the storage system: built-in safe disks and external safe disks. Safe disk is used to protect

Stores data of the storage system, system configuration information and logs, and data in the cache after the system is powered off. Panel control integrated control box

The first four hard disks or the first four hard disks in the first disk enclosure in the disk-controlled storage system are planned as coffer disks. safe

Disks must use SAS, NL-SAS or SSD hard drives, and the hard drives of the four coffer disks must be the same type.