Computers and their various peripherals have some unique identities, such as universally unique identifiers (UUIDs), media access control (MAC) addresses of network interface cards (NICs), World Wide Node Numbers (WWNNs), and Word Wide Port Numbers (WWPNs) for host bus adapters (HBAs). These identities are used to uniquely identify a computer system in a network. For traditional computers and peripherals, these identities were burned into the hardware and, hence, couldn't be altered easily. Operating systems and some applications rely on these identities and may fail if these identities are changed. In the event of a full computer system failure or the failure of a computer peripheral with a unique identity, administrators have to follow cumbersome firmware upgrade procedures to replicate the identities of the failed components on the replacement...
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