Dell Brocade Adapters - Manual (Page 7)

Brocade Adapters Troubleshooting Guide vii
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