Brocade Communications Systems IP250 user manual Set up merge options screen displays

Cascaded FICON fabric merge 21

NOTE

All switches in a fabric must be running Fabric OS version 5.3 or later and must be reachable. If a Fabric OS version earlier than version 5.3 is present in the fabric, the fabric is not listed.

NOTE

Switches running Fabric OS 6.3 or earlier cannot be merged with switches running Fabric OS 6.4 or later.

NOTE

For 8 Gbps switches, all switches in the fabric must be 8 Gbps or faster. 8 Gbps switches cannot be merged with switches that have SFP transceivers with a speed less than 8 Gbps.

4.Click Next.

The Set up merge options screen displays.

5.Select FMS Mode to manage the fabric by a host-based management program using FICON CUP protocol. Note that you cannot enable FMS mode on switches running Fabric OS 7.0 or later unless they have an active CUP license.

6.Select a secondary fabric where AD, ACL, and zone databases, if defined, will be cleared.

7.Read the bulleted list of actions so you understand the actions that are taken to avoid conflicts when the fabrics are merged.

8.Click Next.

The Check merge screen displays.

A Status details table shows progress through merge check points. A rotating arrow under Status indicates a Merge check step is in progress. A blue check mark indicates successful completion of that Merge check. A red stop sign indicates a failed step. If the configuration is successful, all configuration items have blue check marks.

9.If the merge fails, but is recoverable, click Resolve.

10.If desired, click Check Merge Again to run the merge check test again.

11.Click Next to continue.

The Configure long distance (optional) dialog box displays. If the distance between the merged fabrics is 10 km or greater, you must configure the connection as a long distance connection. Selecting a distance invokes an algorithm to compute the required number of BB credits available to the port. The longer the link, the greater latency, resulting in the potential for more outstanding frames in the link, and the need for more BB credits. FICON may require more BB credits than the algorithm provides, and it is a good practice to specify a distance that is longer than the actual distance to be sure enough BB credits are allocated.

12.Perform the appropriate following action based on whether the connection is a long distance connection:

•If it is not a long distance connection, click Next to view the Configure merge screen. Proceed to step 13.

•If it is a long distance connection, expand the fabrics under Selected Fabrics to the switch port level.

Brocade Network Advisor IP User Manual	715
53-1003056-01