Mellanox Technologies Switch-IB, User Manual

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Troubleshooting
94 Mellanox Technologies
2. Determine which spine has a defective fan by checking the Fan LEDs on all of the spines.
3. Make sure that there is nothing blocking the front or rear of the chassis and that the fan mod-
ules and ventilation holes are not blocked (especially dust over the holes).
4. 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.
5. Remove and reinstall the fan unit of the spine. Make sure the mating connector of the new
unit is free of any dirt and/or obstacles. See Section 2.7.4 on page 61 .
6. Replace the spine fan module.
6.4 Spine Module
Issue 1. Amber LED on the spine module is lit
1. Check the MLNX-OS management for confirmation and possible explanation of the alert.
2. Make sure that there is nothing blocking the front or rear of the chassis and that the fan mod-
ules 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.
4. Remove and reinstall the spine module. Make sure the mating connectors of the unit is free of
any dirt and/or obstacles. See Section 2.7.3 on page 58 .
5. Make sure that the spine and the Leafs both have the same version of FW.
6. Reinstall the FW and remove and reinstall the spine.
7. Replace the spine module.
6.5 MLNX-OS® Software
Issue 1. The last software update did not succeed:
1. Connect the RS232 (console) connector 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
Replace defective spine fan modules as soon as they are identified.