A World Wide Name (WWN) or World Wide Identifier (WWID) is a unique identifier used in storage technologies including Fibre Channel, Advanced Technology Attachment (ATA) or Serial Attached SCSI (SAS).
World Wide Name (WWN) или World Wide Identifier (WWID) — уникальный идентификатор, который определяет конкретное целевое устройство (таргет) Fibre Channel, Advanced Technology Attachment (ATA) или Serial Attached SCSI (SAS).