You must configure each of the Brocade switch fabrics in the MetroCluster configuration. Most popular vendors of storage networking are Brocade and Cisco. Devices from both these vendors do the same thing but the configuration. Do you know how to configure a storage-area network (SAN) switch? In this podcast from , bureau chief Antony Adshead talks with Steve.


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Any configuration that does not follow switch manufacturer configuration rules is not supported.

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Mixing manufacturer switches in a single SAN fabric Within an individual SAN fabric, only mix switches from different vendors if the configuration is supported by the switch san switch configuration.

If this extender technology involves a san switch configuration conversion, the local and remote fabrics are regarded as independent fabrics, limited to three ISL hops each.

SAN switch configuration details

Figure 1 illustrates this example. If Link 3 or Link 4 fails, the system communication does not fail. Typically most SAN switches will have at least 8 to 16 ports.

At most SAN directors will have the ports more than In a traditional data center, fabric and the storage array is given more importance and are always redundant san switch configuration avoid unexpected and unnecessary downtime.

A single switch with 8 ports can connect to 8 different devices or 4 devices two connections per device for redundancy. What if the switch itself goes offline? In that case, san switch configuration can be done.


Therefore, even a small server room with SAN fabric is designed with two or more switches for redundancy. You'll need to connect to the IP address using san switch configuration browser or command line and carry out some changes on the switch so it's configured correctly for the environment.

SAN switching: How to configure a SAN switch

For new switchesthe only changes you must make are to configure the IP address, subnet mask and default gateway to allow you to connect to it via a browser san switch configuration whatever transport you choose.

All the settings will work for the new fabric.

The first switch in the fabric is called the principal switch and this switch holds the master database for fabric configuration.

When other switches are added to the fabric, they download that information from san switch configuration principal switch.

Configuring the Brocade FC switches

All switches also have a domain ID which can be san switch configuration configured or allocated from the principal switch. I tend to configure switches with static domain IDs so I can guarantee a particular domain ID will never be allocated to two different switches.


If two switches have been allocated the same ID this could cause fabric segmentation, outages in the fabric and denial of service to logical san switch configuration numbers LUNs.

For best practice you should also ensure unused switch ports are disabled. This will prevent unauthorised devices logging into the fabric and causing disruption to traffic.

Zoning in Brocade FC SAN switch for beginners

This should be done following initial port testing on a switch you're about to add to the fabric but before you add it to the fabric. Supported configurations allow a maximum of eight paths.


A SAN with only one fabric is a valid configuration but risks loss of access to data if the fabric fails. SANs with only one san switch configuration are exposed to a single point of failure. Each node must be connected to each of the counterpart SANs that are in the redundant fabric.

Any Fibre Channel configuration that uses a direct physical connection between a host and a Flex System V Storage Node node is not supported. All back-end storage systems must always san switch configuration connected to San switch configuration switches only. Two initiator ports must be connected from each storage controller to each fabric.

There are fewer than four FC initiator ports available to connect the disk storage and no additional ports can be configured as FC initiators.