The FusionStorage software architecture can be divided into service systems and management systems. The ( ) layer of the service system is used for applications to access the standard access interface of the storage system, and supports the SCSI/iSCSI standard access interface protocol.

During the process of the engineer replace the storage array controller, which of the following description is wrong?

When engineer A implements storage delivery, LUN cannot be scanned on the Linux service host side. Which of the following descriptions is wrong?

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.

Huawei's hyper-converged storage adopts a distributed storage logic architecture. Which of the following is the function of the VBS module?