Chassis Cooling
The fans on the GigaVUE-HCT run at 100% of their maximum speed on power-up, then drop to approximately 40% during normal operations. The fans are deployed in 2+1 redundancy mode, meaning that a single fan can fail, and immediately, the remaining fans will then run at full speed to help the chassis maintain the appropriate cooling temperature at 40ºC ambient. They are not hot-swappable.
Note: Avoid hot-plugging/unplugging the FAN tray in the live GigaVUE-HCT chassis.
The temperatures of five components: inlet, Host CPU, switch ASIC, optics, and GigaSMART (If SMT-HC1-S module is installed and operational) are monitored.
An SNMP trap is sent when a component reaches the threshold for warning, alert, or critical temperature conditions. Refer to Table 1: Component Temperature Thresholds and Actions for the temperatures at which the warning, alert, and critical traps are sent.
Table 1: Component Temperature Thresholds and Actions
|
Inlet Temperature |
Host CPU Temperature |
Switch ASIC Temperature |
Optics Temperature |
GigaSMART Temperature (If SMT-HC1-S module is installed and operational) |
|---|---|---|---|---|
|
50ºC Warning trap sent |
85ºC Warning trap sent |
100ºC Warning trap sent |
70ºC Warning trap sent |
90ºC Warning trap sent |
|
55ºC Alert trap sent |
90ºC Alert trap sent |
105ºC Alert trap sent |
75ºC Alert trap sent |
95ºC Alert trap sent |
|
60ºC Critical trap sent |
95ºC Critical trap sent |
110ºC Critical trap sent |
80ºC Critical trap sent |
100ºC Critical trap sent |
The output of the following GigaVUE-OS CLI command displays the current intake, exhaust, CPU, switch and optics temperatures. The output of the following GigaVUE-OS CLI command displays the fan speed in RPM (the normal operational speed is approximately 11000 RPM; the maximum speed is approximately 25500 RPM):
GigaVUE-HCT(config) # sh environment*** Box 1 (GVS-HCT01) ***
-----------------------------------------------------------
Power Module 1 :
Status : off
-----------------------------------------------------------
Power Module 2 :
Status : on
-----------------------------------------------------------
Fan tray 1 :
1st fan : 10922 RPM
2nd fan : 11364 RPM
3rd fan : 11014 RPM
-----------------------------------------------------------
Card cc1 :
Intake temperature : 19 C
Exhaust temperature : 24 C
Cpu temperature : 32 C
Switch temperature : 0 C
cpu_3.3v voltage : 3.300V
cpu_2.5v voltage : 2.540V
vcc_ddr_1.21v voltage : 1.210V
cpu_1.8v voltage : 1.800V
1.2v voltage : 1.180V
1.0v voltage : 1.000V
vcc_fan_3.3v voltage : 3.300V
1.8v voltage : 1.790V
0.88v voltage : 0.870V
1.05v voltage : 1.060V
5.0v voltage : 4.980V
vddcore_td3x3 voltage : 0.840V
pvccsram voltage : 0.960V
pvccp voltage : 0.940V
pvnn voltage : 0.800V
fan_hotswap_vmon voltage : 0.050V
vddcore_td3x3_pwr voltage : 0.848V
hotswap_control voltage : 0.800V
===========================================================
GigaVUE-HCT (config) # sh environment type fan
*** Box 1 (GVS-HCT01) ***
-----------------------------------------------------------
Fan tray 1 :
1st fan : 10922 RPM
2nd fan : 11364 RPM
3rd fan : 11014 RPM
===========================================================
The show chassis command gives the following:
HCT (config) # sh chassis
Chassis:
Box ID : 5*
Hostname : HCT
Config : yes
Mode : default
Oper Status : up
HW Type : GVS-HCT01-HW
Vendor : Gigamon
Product Code : 132-00H9
Serial Num : U003D
HW Rev : 1.0
SW Rev : 6.5.00_Beta
GDP : disable
Tag Mode : double
Fan Tray:
Status : on
Power Module 1:
Status : on
Power Module 2:
Status : on
