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Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 8 Troubleshooting Ports
Common Problems with Port Interfaces
Typical administrator questions to investigate:
• Why does the server fail to complete FLOGI to the switch?
• Why does the storage device fail to complete FLOGI to the switch?
Figure 8-7 illustrates one possible methodology for troubleshooting Fx ports.
Figure 8-7 Troubleshooting Methodology
Begin
Server HBA and
Storage FLOGI to thier
respective switch?
Troubleshoot
physical ports
Troubleshoot
HBA
Check VSAN
membership
Check zoning
config and
LUN masking
Server and
storage registered
with Name Server
in all switches?
Verify data path
No
Yes
Yes
No
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