Which of the following features is used to achieve the Huawei Geo-redundant DR Solution?

Your colleague has advised a customer with a small VMware environment to purchase the SmartDedupe/SmartCompression license with their new StorageSystem to reduce the amount of diskspace required.
This is:

During data backup, data may be deduplicated to save space. For example, if data blocks A and B are the same, only one data block is physically stored, and the index corresponding to block A or B is deleted.

What modes are supported by SmartQuota of the OceanStor 5300 V3? (Multiple Choice)

When restarting the Huawei Oceanstor 9000 node, if the log information shows "phy: 25, handle SMP req 2" and "phy: 26, good handle SMP req 2", it means that the system disk is faulty, which may not start normally.