查看风扇转速可以发现风扇阵列的第一扇区转速最高,这个对应的是主控板。主控板的转速不用这样高,可以手工降速,对板卡使用无影响:
==== display fan ====
Chassis 1:
Fan-tray 1:
Status : Normal
Fan Type : LSXM108XFAN
Fan number: 3
Fan mode : Auto
Airflow Direction: Front-to-back
Fan Speed(rpm)
--- ---------
1 8445
2 5364
3 2418
==== display envirOnment====
System temperature information (degree centigrade):
----------------------------------------------------------------------
Chassis Slot Sensor Temperature Lower Warning Alarm Shutdown
1 0 inflow 1 23 0 48 60 NA
1 0 hotspot 1 36 0 75 90 NA
1 1 inflow 1 21 0 48 60 NA
1 1 hotspot 1 35 0 75 90 NA
建议升级R2710版本,这个版本对风扇转速有优化,噪声就能降下来。
如果确保现场环境良好,可以手工调低风扇转速,但是因为是手工调整的,风扇并不会随温度升高而提高转速,如果未升级版本且确保温度不高的条件下,可以临时使用,调整方法如下:
<H3C>dis dev
Slot Type State Subslot Soft Ver Patch Ver
0 NONE Absent 0 NONE None
1 LSXM1SUPB1 Master 0 S12508X-AF-2706P02 None
2 NONE Absent 0 NONE None
3 LSXM1TGS72HD1 Normal 0 S12508X-AF-2706P02 None
4 NONE Absent 0 NONE None
5 LSXM1CCP8HF1 Normal 0 S12508X-AF-2706P02 None
6 NONE Absent 0 NONE None
7 NONE Absent 0 NONE None
8 NONE Absent 0 NONE None
9 NONE Absent 0 NONE None
10 NONE Absent 0 NONE None
11 NONE Absent 0 NONE None
12 NONE Absent 0 NONE None
13 NONE Absent 0 NONE None
14 LSXM1SFH08C1 Normal 0 S12508X-AF-2706P02 None
<H3C>dis fan ---------调速前
Fan-tray 1:
Status : Normal
Fan Type : LSXM108XFAN
Fan number: 3
Fan mode : Auto
Airflow Direction: Front-to-back
Fan Speed(rpm)
--- ----------
1 6535
2 3087
3 2419
Fan-tray 2:
Status : Normal
Fan Type : LSXM108XFAN
Fan number: 3
Fan mode : Auto
Airflow Direction: Front-to-back
Fan Speed(rpm)
--- ----------
1 6811
2 3457
3 2390
[H3C-probe]debug sysm fan 1 0 20 ----调节风扇1的第0个区域 ( dis fan 中看到的1,2,3分别对应0,1,2区域) 占空比为20%
Set the Fan Speed OK!
[H3C-probe]debug sysm fan 2 0 20 ---- 调节风扇2的第0个区域占空比为20%
[H3C-probe]dis fan ---------调速后
Fan-tray 1:
Status : Normal
Fan Type : LSXM108XFAN
Fan number: 3
Fan mode : Auto
Airflow Direction: Front-to-back
Fan Speed(rpm)
--- ----------
1 2329
2 3436
3 2448
Fan-tray 2:
Status : Normal
Fan Type : LSXM108XFAN
Fan number: 3
Fan mode : Auto
Airflow Direction: Front-to-back
Fan Speed(rpm)
--- ----------
1 1615
2 3879
3 2446
[H3C-probe]
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