シャーシPSUがファンのRPMが低下していることを繰り返し報告し、正常な値に戻ります

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Category:: fas-systems<a>翻訳対象：2009110316</a><a />

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環境

AFF A800

問題

次のエラーは、継続的に発生し、クリアされます

[?] Fri Mar 18 05:16:55 +0200 [node1: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 FAN is Warning Low (1100 RPM)
 [?] Fri Mar 18 05:17:00 +0200 [node1: power_low_monitor: monitor.chassisPower.degraded:alert]: Chassis power is degraded: Power Supply Status Critical: PSU2.
 [?] Fri Mar 18 05:17:00 +0200 [node1: power_low_monitor: callhome.chassis.power:error]: Call home for CHASSIS POWER DEGRADED: Power Supply Status Critical: PSU2.
 [?] Fri Mar 18 05:17:00 +0200 [node1: monitor: monitor.globalStatus.critical:EMERGENCY]: Power Supply Status Critical: PSU2.

PSUファンセンサーが、それぞれ1200および800 RPMの下限値と下限値の間でフラッピングしており、しきい値を超えて戻ります。

Record 146: Fri Mar 18 12:39:49.810000 2022 [IPMI.notice]: 0a31 | 02 | EVT: 01520708 | PSU2_FAN | Assertion Event, "Lower Critical going low " | Reading: 700.000 | Threshold: 800.000
 Record 147: Fri Mar 18 12:40:07.900000 2022 [IPMI.notice]: 0a32 | 02 | EVT: 81520908 | PSU2_FAN | Deassertion Event, "Lower Critical going low " | Reading: 900.000 | Threshold: 800.000
 Record 148: Fri Mar 18 12:40:09.910000 2022 [IPMI.notice]: 0a33 | 02 | EVT: 81500f0c | PSU2_FAN | Deassertion Event, "Lower Non-critical going low " | Reading: 1500.000 | Threshold: 1200.000
 Record 149: Fri Mar 18 13:08:16.310000 2022 [IPMI.notice]: 0a34 | 02 | EVT: 0150080c | PSU2_FAN | Assertion Event, "Lower Non-critical going low " | Reading: 800.000 | Threshold: 1200.000
 Record 150: Fri Mar 18 13:08:16.310000 2022 [IPMI.notice]: 0a35 | 02 | EVT: 01520808 | PSU2_FAN | Assertion Event, "Lower Critical going low " | Reading: 800.000 | Threshold: 800.000
 Record 151: Fri Mar 18 13:08:18.330000 2022 [IPMI.notice]: 0a36 | 02 | EVT: 81520d08 | PSU2_FAN | Deassertion Event, "Lower Critical going low " | Reading: 1300.000 | Threshold: 800.000
 Record 152: Fri Mar 18 13:08:18.330000 2022 [IPMI.notice]: 0a37 | 02 | EVT: 81500d0c | PSU2_FAN | Deassertion Event, "Lower Non-critical going low " | Reading: 1300.000 | Threshold: 1200.000
 Record 153: Fri Mar 18 13:15:42.550000 2022 [IPMI.notice]: 0a38 | 02 | EVT: 01500c0c | PSU2_FAN | Assertion Event, "Lower Non-critical going low " | Reading: 1200.000 | Threshold: 1200.000
 Record 154: Fri Mar 18 13:15:44.560000 2022 [IPMI.notice]: 0a39 | 02 | EVT: 81500d0c | PSU2_FAN | Deassertion Event, "Lower Non-critical going low " | Reading: 1300.000 | Threshold: 1200.000
 Record 155: Fri Mar 18 13:20:54.100000 2022 [IPMI.notice]: 0a3a | 02 | EVT: 01500c0c | PSU2_FAN | Assertion Event, "Lower Non-critical going low " | Reading: 1200.000 | Threshold: 1200.000
 Record 156: Fri Mar 18 13:20:58.120000 2022 [IPMI.notice]: 0a3b | 02 | EVT: 01520708 | PSU2_FAN | Assertion Event, "Lower Critical going low " | Reading: 700.000 | Threshold: 800.000
 Record 157: Fri Mar 18 13:21:06.160000 2022 [IPMI.notice]: 0a3c | 02 | EVT: 81520c08 | PSU2_FAN | Deassertion Event, "Lower Critical going low " | Reading: 1200.000 | Threshold: 800.000
 Record 158: Fri Mar 18 13:21:10.180000 2022 [IPMI.notice]: 0a3d | 02 | EVT: 8150100c | PSU2_FAN | Deassertion Event, "Lower Non-critical going low " | Reading: 1600.000 | Threshold: 1200.000
 Record 159: Fri Mar 18 13:40:56.090000 2022 [IPMI.notice]: 0a3e | 02 | EVT: 01500a0c | PSU2_FAN | Assertion Event, "Lower Non-critical going low " | Reading: 1000.000 | Threshold: 1200.000
 Record 160: Fri Mar 18 13:40:58.100000 2022 [IPMI.notice]: 0a3f | 02 | EVT: 01520808 | PSU2_FAN | Assertion Event, "Lower Critical going low " | Reading: 800.000 | Threshold: 800.000
 Record 161: Fri Mar 18 13:41:00.110000 2022 [IPMI.notice]: 0a40 | 02 | EVT: 81520908 | PSU2_FAN | Deassertion Event, "Lower Critical going low " | Reading: 900.000 | Threshold: 800.000
 Record 162: Fri Mar 18 13:41:02.120000 2022 [IPMI.notice]: 0a41 | 02 | EVT: 8150100c | PSU2_FAN | Deassertion Event, "Lower Non-critical going low " | Reading: 1600.000 | Threshold: 1200.000
 Record 163: Fri Mar 18 13:48:32.200000 2022 [BMC CLI.notice]: guest "log in from 8.8.8.8"

影響を受けるファンPSUが他のファンよりも回転数が低い場合：

PSU1_FAN         | 8300.000   | RPM        | ok         | 800.000   | 1200.000  | na        | na
 
 PSU2_FAN         | 3900.000   | RPM        | ok         | 800.000   | 1200.000  | na        | na