The OceanStor backup solution architecture includes three parts: the central site, branch sites, and remote backup sites. Only the backup system can be deployed at the backup site, but the production system cannot be deployed.

The S5752/S5352 switch only supports optional AC power modules.

Which of the following are characteristics of an ideal backup and disaster recovery system?

Operation and maintenance engineer A consults the Huawei All-Flash Storage Manual about the process of hardware trusted and secure boot, which of the following sequence is correct?
① Verify Grub's signature public key
② Verify the status of the software signing certificate
③ Verify and load Grub
④ Verify and load the OS

In Huawei distributed storage, SCSI volumes with multiple mount points are called shared volumes, and iSCSI volumes are shared volumes. In order to support the backup capability of shared volumes, the block service also supports snapshots of shared volumes, and the snapshot process of shared volumes is the same as that of ordinary volumes.