Dell Mellanox Family of Adapters - Manual (Page 85)

User Manual for Mellanox ConnectX®-3 10/40 Gigabit Ethernet Adapters for Dell PowerEdge Servers Rev 1.1
Mellanox Technologies 85
7
Dell Lifecycle Controller
Troubleshooting
7.1 General
Server unable to find
the adapter
• Ensure that the adapter is placed correctly
• Make sure the adapter slot and the adapter are compatible
• Install the adapter in a different PCI Express slot
• Use the drivers that came with the adapter or download the latest
• Make sure your motherboard has the latest BIOS
• Try to reboot the server
The adapter no longer
works
• Reseat the adapter in its slot or a different slot, if necessary
• Try using another cable
• Reinstall the drivers for the network driver files may be damaged
or deleted
• Reboot the server
Adapters stopped
working after
installing another
adapter
• Try removing and re-installing all adapters
• Check that cables are connected properly
• Make sure your motherboard has the latest BIOS
Link indicator light is
off
• Ensure that adapter driver/s is loaded
• Try another port on the switch
• Make sure the cable is securely attached
• Check your are using the proper cables that do not exceed the rec-
ommended lengths
• Verify that your switch and adapter port are compatible
Link light is on, but
with no
communication
established
• Check that the latest driver is loaded
• Check that both the adapter and its link are set to the same speed
and duplex settings
Low Performance
with RDMA over
Converged Ethernet
(RoCE)
• Check to make sure flow-control is enabled on the switch ports.