Brocade FICON Administrator’s Guide (Supporting Fabric OS v7.3.0) - Manual (Page 98)

you get confirmation that the configuration has been updated, ouput from the following will be
collected and display for the supportShow command:
‐ ficonCupShow fmsmode
‐ ficonCupShow modereg
‐ ficonDbg dump rnid
‐ ficonDbg log
‐ ficonShow lirr
‐ ficonShow rlir
‐ ficonShow rnid
‐ ficonShow switchrnid
‐ ficuCmd dump -A
• The type of mainframe involved including the make, model, and driver levels in use.
• The type of storage array installed. Many arrays emulate a certain type of IBM array and the
make, model, and firmware of the array in use must be provided.
• Other detailed information for protocol-specific problems:
‐ Port data structures, displayed using the ptDataShow command.
‐ Port registers, displayed using the ptRegShow command.
The following actions must be performed to troubleshoot all FICON setups:
• Use the configUpload command to gather configuration files. Provide the IOCDS mainframe file.
This will define how all mainframe ports are configured.
• Verify that Dynamic Load Sharing (DLS) has been disabled with the dlsReset command.
If DLS is enabled, traffic on existing ISL ports may be affected when one or more new ISLs is
added between the same two switches. Specifically, adding the new ISL may result in dropped
frames as routes are adjusted to take advantage of the bandwidth provided. By disabling DLS,
you ensure that there will be no dropped frames. In thesupportShow output, search for
route.stickyRoutes and check for a value of 1 or enter the dlsShow command.
• Verify that IOD is enabled using the iodSet command to ensure in-order delivery.
In the output from the supportShow or supportSave, search for route.delayReroute and check
for a value of 1 as this indicates that the feature is turned on. Alternately, you can enter the
iodShow command.
Switched point-to-point topology checklist
Verify the following in your FICON environment to ensure proper functionality of the feature:
• Fabric OS v6.1.0 or later release is installed on Brocade switch or backbone.
• Appropriate management tool is being used, such as EFCM v9.6x, DCFM, or Brocade Network
Advisor.
• All required licenses are enabled for your FICON configuration.
• Switch or backbone does not have a special mode setting turned on for FICON.
• Brocade Advanced features software package (Trunking, Fabric Watch, Extended Fabric) license
is activated.
NOTE
There is no requirement to have a secure fabric in a switched point-to-point topology.
Switched point-to-point topology checklist
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