In a server configuration, what does WWN stand for?

WWN stands for World Wide Name, which is a unique identifier used to distinguish storage devices within a Fibre Channel network. This identifier is crucial in environments where devices need to communicate effectively without confusion, as it ensures that each device can be accurately identified and addressed across the network.

A World Wide Name essentially consists of a 64-bit number that is assigned to storage devices such as Fibre Channel ports or logical units. When a storage device connects to a SAN (Storage Area Network), the WWN allows this system to recognize the device. This is particularly important in data centers and hybrid cloud environments where multiple devices and systems need to coexist and operate seamlessly.

Understanding the significance of WWN is vital for managing storage configurations effectively, ensuring reliability in data communications, and facilitating the scalability of storage solutions in hybrid cloud deployments.