Logical Unit Number.  A block-level volume that can be presented as a disk to any client device or server connected to the SAN.

Example: 24 600 GB spindles were configured as a RAID 5 Volume (Parity: n-1) with the overall capacity of 13.8 TB, and then presented to 3 ESXi Hosts as 4 LUN’s, each with a capacity of approximately 3.45 TB

About: John Borhek

John Borhek is the CEO and Lead Solutions Architect at VMsources Group Inc. John has soup-to-nuts experience in Mission Critical Infrastructure, specializing in hyper-convergence and Cloud Computing, engaging with organizations all over the United States and throughout the Americas.