Which of the following descriptions about the characteristics of the DME architecture is wrong?

If the data center equipment is out of warranty or the performance capacity can no longer meet the business needs, the customer needs to upgrade the storage. Using the ( ) technology and SmartMigration, customers' original data can be migrated online to Huawei's all-flash storage system, enabling smooth data migration without interrupting host services. (Please fill in the technical English name)

Huawei OceanStor 9000 uses Erasure code technology to protect data. If a site has 6 nodes, and the customer wants to ensure that data can be recovered even when 3 disks are damaged by one stripe, the redundancy protection levels that can be used are: (Multiple Choice)

In Huawei's hybrid flash storage device, _______ technology can identify hot data and regularly migrate hot data to a higher storage medium to improve storage performance.

eReplication server supports virtual machine and physical machine installation, software packages are supported to install eReplication server, and FusionSphere openstack can be installed using templates.