Moreover, zoning interfaces vary among different host operating systems and HBA's — increasing the possibility for administrative errors.
If a host is not configured with the zoning software, it can access all devices in the fabric and create an even higher probability of data corruption.
Host-based zoning is often used when clusters are implemented to control the mapping of devices to specific[2] target IDs.
Basically, A given LUN has it SCSI id assigned by its RAID device (typically a SAN ).
The zone is usually set on the central point of connection of the hosts and the DISK ARRAY: the FC switch.