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Chapter 24
Configuring FICON
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
FICON Configuration Files
You can save up to 16 FICON configuration files on each FICON-enabled VSAN (in persistent storage).
The file format is proprietary to IBM. These files can be read and written by IBM hosts using the in-band
CUP protocol. Additionally, you can use the Cisco MDS CLI or Fabric Manager applications to operate
these FICON configuration files.
Multiple FICON configuration files with the same name can exist in the same switch, provided they
Note
reside in different VSANs. For example, you can create a configuration file named XYZ in both VSAN
1 and VSAN 3.
When you enable the FICON feature in a VSAN, the switches always use the startup FICON
configuration file, called IPL. This file is created with a default configuration as soon as FICON is
enabled in a VSAN.
When FICON is disabled on a VSAN, all the FICON configuration files are irretrievably lost.
Caution
FICON configuration files contain the following configuration for each implemented port address:
•
•
•
Normal configuration files used by Cisco MDS switches include FICON-enabled attributes for a VSAN,
Note
port number mapping for PortChannels and FCIP interfaces, port number to port address mapping, port
and trunk allowed VSAN configuration for ports, in-order guarantee, configuring static domain ID, and
fabric binding configuration.
See the
files used by Cisco MDS switches.
Accessing FICON Configuration Files
Only one user can access the configuration file at any given time:
•
•
•
FICON configuration files can be accessed by any host, SNMP, or CLI user who is permitted to access
the switch. The locking mechanism in the Cisco SAN-OS software restricts access to one user at a time
per file. This lock applies to newly created files and previously saved files. Before accessing any file,
you must lock the file and obtain the file key. A new file key is used by the locking mechanism for each
lock request. The key is discarded when the lock timeout of 15 seconds expires. The lock timeout value
cannot be changed.
OL-6973-03, Cisco MDS SAN-OS Release 2.x
Block
Prohibit mask
Port address name
"Working with Configuration Files" section on page 7-1
If this file is being accessed by user 1, user 2 cannot access this file.
If user 2 does attempt to access this file, an error is issued to user 2.
If user 1 is inactive for more than 15 seconds, the file is automatically closed and available for use
by any other permitted user.
FICON Configuration Files
for details on the normal configuration
Cisco MDS 9000 Family Configuration Guide
24-23
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