Function of a target

An initiator can be considered as a port on a host, and a target can be considered as a port on a storage array. An initiator initiates a connection, and a target is connected.
If a host needs to access LUNs on a storage array, the initiator is on the host side, and the target is on the storage array side.
Similarly, if storage array A needs to take over storage array B from another vendor, storage array A will access LUNs on storage array B. The port on storage array A is the initiator, and the port on storage array B is the target.

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