Arbitrated Loop
A shared 100/200-megabytes-per-second Fibre Channel transport supporting up to a maximum of 126 devices and 1 attachment to a Fabric. Ports with lower AL_PAs have higher priorities. | ||||
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Arbitrated Loop Definition from Encyclopedia Dictionaries & Glossaries
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Arbitrated loop
Arbitrated loop, also known as FC-AL, is a Fibre Channel topology in which devices are connected in a one-way loop fashion in a ring topology. Historically it was a lower-cost alternative to a fabric topology. It allowed connection of many servers and computer storage devices without using then very costly Fibre Channel switches. As of 2007 the cost of the switches dropped considerably, so FC-AL is rarely used for a server-to-storage communication. It is however still commonly utilized on backend of some disk array controllers.
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