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Rev 1.3
Troubleshooting
5 Troubleshooting
As soon as a switch is plugged in make sure that the green power LEDs on the PS units are on.
Status LED and or Status Health LED
If either of these two LEDs is red unplug the switch and call your Mellanox representative.
Power supply unit:
If the LED on the PS unit is not lit or is red, check that the power cable is plugged into a working outlet.
1. Check that the power cable has a voltage within the range of 100 - 240 volts AC.
2. Check that the air flow direction of the PS units are consistent with the Fan module air flow.
3. Remove and reinstall the power cable.
4. Remove and reinstall the PS unit.
The power LED for the switch shuts off:
1. Check that the there is adequate ventilation. Are the fan LEDs showing that the fans are all up and running?
2. Make sure that there is nothing blocking the front or rear of the chassis and that the fan modules and ventilation holes are not blocked (especially dust over the holes).
3. If you find dust blocking the holes it is recommended to clean the fan unit and remove the dust from the front and rear panels of the switch using a vacuum cleaner.
The green power LED for the fans does not come on:
1. Check that the Power LEDs are on.
2. Remove and reinstall the fan unit. Make sure the mating connector of the new unit is free of any dirt and/or obstacles. See Section 3.13, “Extracting and Inserting the Fan Unit,” on page 40.
3. Check that the mating connector pins are not bent.
Caution: Do not run the switch if the System Status LED for the Fans is Red!
46
The link LED for the connector does not come on:
1. Check that both ends of the cable are connected.
2. Check that the locks on the ends are secured.
3. Make sure that the latest firmware version is installed on all of the HCA cards and the switch.
4. If media adapters are used, check that the all connections are good, tight, and secure.
The activity LED does not come on:
When running IB check that the Subnet Manager has been started.
The switch is off:
1. Unplug the switch.
2. Wait 5 minutes.
Mellanox Technologies
SwitchX 36-Port QSFP 40Gb/s Ethernet System Hardware User Manual Rev 1.3
3. Plug in the switch.
4. If the switch does not come on, check the power supplies.
5. If the switch comes on, Use the MLNX-OS management CLI to determine the cause of the
Shutdown.
6. Check the temperature.
7. Check the Fan status.
The switch is not working and unresponsive:
1. Reset the switch.
If resetting the switch does not work:
2. Unplug the switch.
3. Wait 5 minutes.
4. Plug in the switch.
5. If the switch does not come on, check the power supplies.
6. If the switch comes on, use the MLNX-OS management CLI to determine the cause of the shutdown.
The last software update did not succeed:
1. Connect the RS232 connector (CONSOLE) to a laptop.
2. Push the reset button on the switch or management module.
3. You will have ~ 5 seconds to stop the U-Boot by pressing Control-B.
4. Choose the image to upload. Only use image 1 or image 2.
U-Boot 2009.01-mlnx1.4 (May 12 2010 - 14:08:15)
CPU: AMCC PowerPC 460EX Rev. A at 1000 MHz (PLB=200, OPB=100,
EBC=100 MHz)
Security/Kasumi support
Bootstrap Option H - Boot ROM Location I2C (Addr 0x52)
Internal PCI arbiter disabled
32 kB I-Cache 32 kB D-Cache
Board: Mellanox PPC460EX Board
FDEF: No
I2C: ready
DRAM: 2 GB (ECC enabled, 400 MHz, CL3)
FLASH: 16 MB
NAND: 1024 MiB
PCI: Bus Dev VenId DevId Class Int
Mellanox Technologies 47
Rev 1.3
PCIE0: link is not up.
PCIE1: successfully set as root-complex
01 00 15b3 bd34 0c06 00
Net: ppc_4xx_eth0, ppc_4xx_eth1
Hit Ctrl+B to stop autoboot: 0
Mellanox MLNX-OS
Boot Menu:
1. EFM_PPC_M460EX EFM_1.1.1000 2010-06-24 16:32:03 ppc
2. EFM_PPC_M460EX EFM_1.1.1200 2010-06-25 18 :00:03 ppc
3. U-Boot prompt
Choice:
5. Select the image to boot.
Troubleshooting
48 Mellanox Technologies
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