Brocade Network Advisor SAN + IP User Manual v12.3.0 - Manual (Page 1392)

1320 Brocade Network Advisor SAN + IP User Manual
53-1003155-01
Cascaded FICON fabric merge
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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 HIF Mode to enable HIF mode on all secondary fabric switches running Fabric OS
version 7.3 and later.
NOTE
HIF mode is auto-enabled when FMS mode is selected.
NOTE
HIF mode is enabled for secondary fabric switches.
7. Select a secondary fabric where AD, ACL, and zone databases, if defined, will be cleared.
8. Read the bulleted list of actions so you understand the actions that are taken to avoid conflicts
when the fabrics are merged.
9. 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.
10. If the merge fails, but is recoverable, click Resolve.
11. If desired, click Check Merge Again to run the merge check test again.
12. 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 the 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.