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VMware ESX Server Providing LUN Security

VMware ESX Server provides strong security and performance isolation for virtual machine storage. Each virtual machine sees only the virtual disks that have been presented to its virtual SCSI adapters. Virtual machines cannot see the physical Fibre Channel HBAs on the ESX Server host on which they run. Nor, in typical use cases, do they see the LUNs on which their virtual disks reside. Emerging mechanisms for LUN security in a virtual environment from Fibre Channel HBA vendors provide an alternative for accomplishing the same goals.