Logical unit number

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• Logical Unit Number —   [Abk. LUN, dt. »logische Einheitennummer«], die, Nummer, unter der ein Laufwerk beim SCSI Host Adapter als logisches Laufwerk angemeldet wird. Die LUNs können Unteradressen ein und derselben SCSI ID bilden, sodass sich unter derselben… …   Universal-Lexikon

• Logical Unit Number — In computer storage, a logical unit number or LUN is simply the number assigned to a logical unit. A logical unit is a SCSI protocol entity, the only one which may be addressed by the actual input/output (I/O) operations. Each SCSI target… …   Wikipedia

• Logical Unit Number — Un LUN (Logical Unit Number) désigne, dans le domaine du stockage informatique, le numéro d unité logique d un équipement SCSI. Par extension cet acronyme désigne également le numéro d identification d une unité de stockage SAN. Bien que LUN… …   Wikipédia en Français

• Logical Unit Number Masking — or LUN masking is an authorization process that makes a Logical Unit Number available to some hosts and unavailable to other hosts.The security benefits are limited in that with many HBAs it is possible to forge source addresses (WWNs/MACs/IPs).… …   Wikipedia

• logical unit number —    Abbreviated LUN. The logical address of a Small Computer System Interface (SCSI) device when several devices are attached to a single SCSI device ID. The LUN is usually set to zero unless the SCSI adapter supports multiple LUNs on a single… …   Dictionary of networking

• Logical volume management — Gestion par volumes logiques La gestion par volumes logiques (en anglais, logical volume management ou LVM) est une méthode et un logiciel de découpage, de concaténation et d utilisation des espaces de stockage d un serveur. Il permet de gérer,… …   Wikipédia en Français

• number game — Introduction       any of various puzzles and games that involve aspects of mathematics.       Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… …   Universalium

• Logical effort — The method of logical effort, a term coined by Ivan Sutherland and Robert Sproull in 1991, is a straightforward technique used to estimate delay in a CMOS circuit. Used properly, it can aid in selection of gates for a given function (including… …   Wikipedia

• Unit Control Block — In IBM mainframe operating systems from the z/OS line, a Unit Control Block (UCB) is a memory structure, or a control block , that describes any single input/output peripheral device, or a unit , to the operating system.A similar concept in Unix… …   Wikipedia

• Unit interval — For the data transmission signaling interval, see Unit interval (data transmission). In mathematics, the unit interval is the closed interval [0,1], that is, the set of all real numbers that are greater than or equal to 0 and less than or equal… …   Wikipedia