Brocade Communications Systems CNA 1010 Troubleshooting Manual page 5

Brocade Adapters Troubleshooting Guide
53-1001582-01
FCoE and Fibre Channel problems . . . . . . . . . . . . . . . . . . . . . . . . . . 31
CEE network problems (CNAs only) . . . . . . . . . . . . . . . . . . . . . . . . . . 35
HCM and HCM Agent problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Verifying Fibre Channel and CEE links(stand-up adapters) . . . . . . . 39
Adapter driver installation verification. . . . . . . . . . . . . . . . . . . . . . . . 40
Troubleshooting mezzanine card problems. . . . . . . . . . . . . . . . . . . . 44
Additional references for isolating problems. . . . . . . . . . . . . . . . . . . 44
Chapter 3 Tools for Collecting Data
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
For detailed information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Data to provide support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Data collection using host system commands . . . . . . . . . . . . . . . . . 48
Data collection using BCU commands and HCM . . . . . . . . . . . . . . . 50
Data collection using Fabric OS commands (Brocade switches only)55
Adapter event messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Loss of sync and loss of signal errors in port statistics . . . . . . 31
Fabric authentication failures . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Adapter is not showing in the fabric . . . . . . . . . . . . . . . . . . . . . . 31
Virtual devices not listed in name server . . . . . . . . . . . . . . . . . . 32
Adapter not registering with the name server or cannot access
storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
FCoE link is down (CNAs only) . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
I/O problem on connected FCoE device (CNAs only). . . . . . . . . 34
I/Os are not failing over immediately on path failure in MPIO setup
34
Disk I/O requests cause low throughput and high latency on Linux34
Disk I/O requests cause low throughput and high latency on VMware
34
CEE is not enabled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Failed to connect to agent on host... error when using HCM . . 35
Unable to completely uninstall HCM. . . . . . . . . . . . . . . . . . . . . . 38
Time on HCM screens does not match system time . . . . . . . . . 39
Confirming driver package installation with HCM . . . . . . . . . . . 41
Confirming driver package installation in Windows systems . . 41
Confirming driver package installation in Linux systems . . . . . 42
Confirming driver package installation in Solaris systems . . . . 43
Confirming driver package installation in VMware systems . . . 43
Support Save . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Collecting adapter data using HCM . . . . . . . . . . . . . . . . . . . . . . 54
Collecting adapter data using BCU commands . . . . . . . . . . . . . 54
Host system logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
HCM logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Logging levels adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
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