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
16-12
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 16 Troubleshooting FICON
FICON Issues
Cannot Configure FCIP or PortChannel for FICON
Symptom
Cannot configure FCIP or PortChannel for FICON.
FCIP fails for FICON
Symptom
FCIP fails for FICON.
FICON Tape Acceleration Not Working
Symptom
FICON tape acceleration not working.
Table 16-7
Cannot Configure FCIP or PortChannel for FICON
Symptom
Possible Cause
Solution
Cannot configure
FCIP or PortChannel
for FICON.
FICON port numbers are not reserved
for logical ports.
Reserve a block of FICON port numbers for logical ports.
Use the
show ficon first-available port-number
CLI
command to determine which logical ports are available for
use with FCIP and or PortChannels.
Choose
FICON > Port Numbers
in Device Manager.
Alternatively, use the
ficon logical-port assign
port-numbers
CLI command.
Table 16-8
FCIP Fails for FICON
Symptom
Possible Cause
Solution
FCIP fails for
FICON.
FICON port address is not assigned to
the FCIP tunnel.
Assign the FICON port address to FCIP tunnel and restart
FCIP tunnel. Use the
show ficon port-numbers interface
CLI command to determine if there is a FICON port
number assigned to the logical port. Use the the
ficon
portnumber
CLI command in FCIP or PortChannel
submode.
Table 16-9
FICON Tape Acceleration Not Working
Symptom
Possible Cause
Solution
FICON tape
acceleration not
working.
FICON tape acceleration is not enabled
on both ends of an FCIP link.
Enable FICON tape acceleration on both ends of the FCIP
link. Choose
Switches > ISLs > FCIP
in Fabric Manager,
then select the
Tunnels (Advanced)
tab and check
Write
Accelerator.
Or use the
ficon-tape-accelerator vsan
CLI
command on each FCIP interface.