HP StorageWorks FC Entry Switch 8B Manual do utilizador - Página 17

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HP StorageWorks FC Entry Switch 8B Manual do utilizador

Introducing Extended Fabrics

Distributed Fabrics User's Guide
Extended Fabrics uses Fibre Channel technology to create a fabric interconnected at a
distance of up to 100 kilometers. Extended Fabrics can increase the allowable distance
between two switches or between a switch and an ATM gateway used in a Remote Switch
configuration. It is an optionally licensed product that runs on HP Brocade 2400/2800 and
FC 6164 switches with Fabric OS version a2.4.1or later, or on FC Entry Switch 8B, FC
Switch 8B, and FC 16B switches with Fabric OS version 3.0.1b or later.
Extended Fabrics optimizes the internal buffering algorithm for these switches. It provides
maximum buffering between E_Ports connected over an extended distance through buffer
reconfiguration that results in line speed performance of close to full Fibre Channel speed
for switches interconnected at 100 kilometers, thus providing the highest possible
performance for transfers between switches. The Fibre Channel connection extensions can
be provided by Extended Distance GBICs, Fibre Channel repeaters, or Wave Division
Multiplexing (WDM) devices.
Performance may vary depending on the condition of the fiber optic
Note:
connections between the switches. Losses due to splicing, connectors,
tight bends, and other degradation can affect the performance over the link
and the maximum distance possible
To enable Extended Fabrics, an Extended Fabrics license has to be installed. If a fabric is
created with FC Entry Switch 8B, FC Switch 8B, or FC 16B switches, the long distance
extended fabric configuration has to be set only for the edge ports of the long distance
link. The edge port connector switch automatically works with the rest of the switches in
the fabric. There is no need for any fabric wide configuration change.
Note:
To enable Extended Fabrics in a fabric created with HP Brocade 2400/2800 or
FC 6164 switches, each switch in the fabric must be configured individually.
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Chapter
4
4-1