Dell Brocade Adapters Troubleshooting Manual page 7

Brocade Adapters Troubleshooting Guide
53-1002145-01
Network interface problems (CNA or NIC) . . . . . . . . . . . . . . . . . . . . . 32
Ethernet loopback test problems . . . . . . . . . . . . . . . . . . . . . . . . 32
Ethernet link ports or LOM not coming up on reboot in Linux . 33
Loss of adapter hardware address in Linux . . . . . . . . . . . . . . . . 33
Loss of adapter IP address in Linux . . . . . . . . . . . . . . . . . . . . . . 33
Network stack runs out of heap . . . . . . . . . . . . . . . . . . . . . . . . . 34
NIC numbering unexpected on VMware systems . . . . . . . . . . . 34
Ping to remote host is failing. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Receive-side scaling disables unexpectedly . . . . . . . . . . . . . . . 35
Applications using TDI driver stop responding. . . . . . . . . . . . . . 36
RSS network throughput decreases . . . . . . . . . . . . . . . . . . . . . . 36
SNMP MIB browser not displaying information on VLAN
-related OIDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Teaming errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
VLAN creation and operation problems . . . . . . . . . . . . . . . . . . . 37
Teaming or VLAN operations through HCM fail . . . . . . . . . . . . . 38
Poor network performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Binding issues after Hyper-V enabled with teaming . . . . . . . . . 39
FCoE and Fibre Channel problems . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Loss of sync and loss of signal errors in port statistics . . . . . . 41
Fabric authentication failures . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Adapter is not showing in the fabric . . . . . . . . . . . . . . . . . . . . . . 41
Virtual devices not listed in name server . . . . . . . . . . . . . . . . . . 42
Adapter not registering with the name server or cannot
access storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
FCoE link is down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
I/O problem on connected FCoE device. . . . . . . . . . . . . . . . . . . 44
I/Os are not failing over immediately on path failure in MPIO
setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Disk I/O requests cause low throughput and high latency on
Linux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Disk I/O requests cause low throughput and high latency on
VMware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
DCB network problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
DCB is not enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
HCM and HCM Agent problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Failed to connect to agent on host... error when using HCM . . 46
HCM Agent service cannot start . . . . . . . . . . . . . . . . . . . . . . . . . 49
HCM Agent not auto starting if 3.0 driver updated with 2.3
HCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Unable to completely uninstall HCM. . . . . . . . . . . . . . . . . . . . . . 49
Time on HCM screens does not match system time . . . . . . . . . 50
Verifying Fibre Channel and DCB links (stand-up adapters) . . . . . . 50
Adapter driver installation verification. . . . . . . . . . . . . . . . . . . . . . . . 51
Confirming driver package installation with HCM . . . . . . . . . . . 52
Confirming driver package installation in Windows systems . . 52
Confirming driver package installation in Linux systems . . . . . 53
Confirming driver package installation in Solaris systems . . . . 54
Confirming driver package installation in VMware systems . . . 54
Troubleshooting mezzanine card problems. . . . . . . . . . . . . . . . . . . . 55
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