HP StorageWorks 8B - FC Entry Switch Manuel de l'utilisateur - Page 9

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Introducing Remote Switch

Distributed Fabrics User's Guide

Remote Switch is an optionally licensed product that runs on HP Brocade 2400/2800 and

FC 6164 switches with Fabric OS version a2.4.1 or later, or on FC Entry Switch 8B, FC

Switch 8B, and FC 16B switches with Fabric OS version 3.0.1b or later.

The Remote Switch feature, in conjunction with a compatible Fibre Channel to

asynchronous transfer mode (ATM) gateway, enables two HP Brocade 2400/2800, FC

6164, FC Entry Switch 8B, FC Switch 8B, or FC 16B fabric switches to be connected over

an ATM connection, with a distance of up to 10 kilometers between each switch and the

respective ATM gateway. The two switches are cascaded together to form a fabric that,

from the viewpoint of the connected hosts and storage devices, interact the same as locally

connected switches. The performance limitations depend only on the type of ATM

connection used. Remote Switch supports a maximum of two switches in a fabric.

Remote Switch provides:

•

Any-to-any connectivity

A host connected on the local or remote switch can communicate with storage devices

at either location.

•

Coordinated fabric services

The Remote Switch fabric configuration fully supports all fabric services, the same as

a centralized fabric configuration. These services include Distributed Name Services,

Registered State Change Notifications, and Alias Services.

•

Distributed management

Access to the management facilities (Web Tools, telnet, and SNMP) is available from

either the local or the remote switch. Interconnect for switch management is routed

through the Fibre Channel connection; no additional network connection is required

between sites.

•

Ability to support multiple interswitch links (ISLs)

Sites requiring redundant configurations can connect multiple E_Ports to remote sites

by using multiple gateways. Standard Fabric OS routing facilities automatically

maximize throughput by using the E_Ports to load share traffic during normal

operation, with automatic failover and failback during interruption on the WAN

connection.

Chapter

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