Building SANs with Brocade Fabric Switches by Mike Flannagan

By Mike Flannagan

Construction SANs with Brocade Fibre Channel textile Switches is a realistic advisor to all the ideas essential to combine fibre-based switches to an IP-based community. It starts with an in depth research of the advantages of enforcing a SAN and an exam of the and bandwidth necessities. From there, it proceeds to a dialogue of the Brocade SilkWorm sequence of fibre channel switches and the way many of the switches are configured to attach a SAN with present LANs.

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Channels specialize in streaming data between two devices, such as your computer and a storage subsystem. Some examples of channel protocols are Small Computer System Interface (SCSI) and High-Performance Parallel Interface (HiPPI). A network, on the other hand, specializes in connectivity, allowing flexibility to add and remove nodes from the environment. Examples of network protocols are Token Ring, Ethernet, and Asynchronous Transfer Mode (ATM). Fibre Channel incorporates the flexibility of a network with the high speed and reliability of a channel—essentially allowing you to connect a large number of devices without degrading performance.

Channels specialize in streaming data between two devices, such as your computer and a storage subsystem. Some examples of channel protocols are Small Computer System Interface (SCSI) and High-Performance Parallel Interface (HiPPI). A network, on the other hand, specializes in connectivity, allowing flexibility to add and remove nodes from the environment. Examples of network protocols are Token Ring, Ethernet, and Asynchronous Transfer Mode (ATM). Fibre Channel incorporates the flexibility of a network with the high speed and reliability of a channel—essentially allowing you to connect a large number of devices without degrading performance.

For example, an e-mail server requires one single, consistent image for e-mail storage. Back-end databases of e-commerce applications require combining live, real-time inventory data with live pricing data to service requests correctly. The result is a new, critical point of failure in the e-mail server or database. The concern over these critical points of failure has resulted in a renewed focus on highly available (fault tolerant) solutions, particularly in the storage area. In combination with failover software packages such as Microsoft Cluster Server or VERITAS Cluster Server, high-availability hardware and software has come to the forefront in ensuring the performance and availability of these critical systems.

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