the storage automatic scan function will create the command device .
how to enable/disable command device : DeviceManager --> Provisioning --> host -- > Parameter settings

if we open this function , some hosts will find a 16KB LUN . When the storage system automatically discovers a host initiator and the initiator is not added to any host, a 16 KB virtual disk is detected in the host operating system. After the initiator is added to the host, the virtual disk disappears.
