Figuring out the affiliation between a Logical Unit Quantity (LUN) and a particular controller inside a Linux surroundings includes figuring out the trail via which the storage is accessed. This course of sometimes includes inspecting the system’s storage configuration, paying shut consideration to the gadget names and their corresponding {hardware} identifiers. For instance, inspecting the output of instructions equivalent to `lsscsi`, `multipath -ll`, or querying the contents of `/sys/block` can reveal how storage gadgets are introduced and linked to the host system.
Understanding this mapping is essential for a number of causes. It facilitates correct troubleshooting of storage-related points, permits efficient efficiency monitoring, and ensures correct configuration of multipathing options for prime availability. Traditionally, this mapping relied on direct SCSI connections. Nonetheless, with the arrival of applied sciences like Fibre Channel, iSCSI, and NVMe-oF, the method has grow to be extra advanced, requiring a deeper understanding of the storage networking stack.