HP StorageWorks MSA 2/8 HP StorageWorks QuickLoop Fabric Assist V3.1.x User Gu - Page 11

Introducing QuickLoop

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Introducing QuickLoop 1 HP StorageWorks QuickLoop is a unique Fibre Channel topology that combines arbitrated loop and fabric topologies. An arbitrated loop supports communication between devices that are not fabric-aware. Such devices are called private devices, and arbitrated loops are often called private loops. QuickLoop allows a StorageWorks SAN switch to emulate a hub environment, while offering the additional benefit of connectivity to a fabric. QuickLoop is an optionally licensed product that allows arbitrated loops to be attached to a fabric. This allows private targets on arbitrated loops to be accessed by public or private hosts elsewhere on the fabric. Devices attached to QuickLoop can communicate with all other devices attached to the same QuickLoop. However, private devices attached to QuickLoop can communicate only with devices within the same QuickLoop. Public devices in an arbitrated loop mode are considered private devices when connected to QuickLoop ports. QuickLoop Fabric Assist Version 3.1.x User Guide 11

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11
QuickLoop Fabric Assist Version 3.1.x User Guide
1
Introducing QuickLoop
HP StorageWorks QuickLoop is a unique Fibre Channel topology that combines
arbitrated loop and fabric topologies. An arbitrated loop supports communication
between devices that are not fabric-aware. Such devices are called private devices,
and arbitrated loops are often called private loops. QuickLoop allows a
StorageWorks SAN switch to emulate a hub environment, while offering the
additional benefit of connectivity to a fabric.
QuickLoop is an optionally licensed product that allows arbitrated loops to be
attached to a fabric. This allows private targets on arbitrated loops to be accessed
by public or private hosts elsewhere on the fabric.
Devices attached to QuickLoop can communicate with all other devices attached
to the same QuickLoop. However, private devices attached to QuickLoop can
communicate only with devices within the same QuickLoop. Public devices in an
arbitrated loop mode are considered private devices when connected to
QuickLoop ports.