Single-Switch Topology Checklist; Cascade Mode Topology Checklist; Gathering Additional Information - Brocade Communications Systems A7533A - Brocade 4Gb SAN Switch Base Troubleshooting Manual

11
Troubleshooting FICON

Single-switch topology checklist

This checklist is something you should verify that you have done in your FICON environment to
ensure proper functionality of the feature:
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•
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•
NOTE
There is no requirement to have a secure fabric in a single switch topology.
Brocade Advanced features software package (Advanced Zoning, Trunking, Fabric Watch, Extended
Fabric) license activation is required.

Cascade mode topology checklist

This checklist is something you should verify that you have done in your FICON environment to
ensure proper functionality of the feature:
•
•
•
•
•
•
•
•
•
NOTE
The Switch Connection Control (SCC) security policy must be active.
Brocade Advanced features software package (Advanced Zoning, Trunking, Fabric Watch, Extended
fabric) license activation is required.

Gathering additional information

In addition to the information you would collect for your support provider mentioned in
"Introduction to
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•
•
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Brocade switch Fabric OS v4.1.2 or later release.
Management tool - Suggested: Brocade Fabric Manager (FM) v4.1.0 or later.
No license is required to enable FICON support.
There is no special mode setting for FICON.
Brocade switch Fabric OS 5.1.0 or later release.
Management tool - Suggested: Brocade Fabric Manager (FM) v5.4.0 or later.
No license is required to enable FICON support.
There is no special mode setting for FICON. However, it is recommended that the dynamic
load-sharing feature be disabled with in-order frame delivery (IOD) enabled (default).
When configuring Fabric for intermix mode of operations, separate zones for FICON and FCP
devices are recommended.
The Mainframe Channel device connectivity rule of maximum one hop is applicable to both
FCP and FICON devices.
Insistent Domain ID Flag must be set to keep the Domain ID of a Fabric switch persistent.
CHPID Link Path must be defined using the two-byte format.
FICON Channel connectivity to storage CU port must not exceed one hop.
Troubleshooting", also gather the following information which is specific to FICON:
Is this case logged during an initial install or has this environment been working previously?
What was changed immediately prior to issue occurring?
Is the switch properly configured for FICON environment?
Fabric OS Troubleshooting and Diagnostics Guide
Chapter 1,
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