| Asset ID: |
1-72-1472533.1 |
| Update Date: | 2012-07-20 |
| Keywords: | |
Solution Type
Problem Resolution Sure
Solution
1472533.1
:
IB Switch Power Supply Sensor Detects a False Alert
| Related Items |
- Exadata Database Machine V2
|
| Related Categories |
- PLA-Support>Sun Systems>SAND>Network>SN-SND: Sun Network Infiniband
|
A false alert is detected in the IB Switch messages file for Power Supply Sensor. The issue is due to a bug
In this Document
Created from <SR 3-5844578511>
Applies to:
Exadata Database Machine V2 - Version Not Applicable and later
Linux x86-64
Infiniband Switch detects a false alert for Power supply sensor
SUN DCS 36p version: 1.3.3-2
Symptoms
IB switch /var/log/message file will reports the below error
Jun 16 21:10:2 dmorsw-ib1 envd[1553]: low I4 1.2V = 0.07 V
Jun 16 21:10:34 dmorsw-ib1 PEF: Sensor 'CHASSIS_STATUS' Type 0xC0 Data1 0xEntity 7 Instance 0
Jun 16 21:10:35 dmorsw-ib1 PEF: Sensor 'POWER_ATTN' Type 0xC0 Data1 0x0Entity 7 Instance 0
Jun 16 21:10:42 dmorsw-ib1 PEF: Sensor 'MB/V_I41.2V' Type 0x02 Data1 0x50 Entity 7 Instance 0
Jun 16 21:10:43 dmorsw-ib1 envd[1553]: Measured I4 1.2V = 1.22 V
Jun 16 21:10:44 dmorsw-ib1 PEF: Sensor 'CHASSIS_STATUS' Type 0xC0 Data1 0x00E
ntity 7 Instance 0
Jun 16 21:10:45 dmorsw-ib1 PEF: Sensor 'POWER_ATTN' Type 0xC0 Data1 0x00 Entity 7 Instance 0
Jun 16 21:10:52 dmorsw-ib1 PEF: Sensor 'MB/V_I41.2V' Type 0x02 Data1 0x51 Entity 7 Instance 0
checkpower, showunhealthy and env_test do not show any issue :
dmorsw-ib1# checkpower
PSU 0 present OK
PSU 1 present OK
All PSUs OK
dmorsw-ib1# showunhealthy
OK - No unhealthy sensors
dmorsw-ib1# env_test
Environment test started:
Starting Environment Daemon test:
Environment daemon running
Environment Daemon test returned OK
Starting Voltage test:
Voltage ECB OK
Measured 3.3V Main = 3.27 V
Measured 3.3V Standby = 3.40 V
Measured 12V = 11.97 V
Measured 5V = 4.97 V
Measured VBAT = 3.18 V
Measured 2.5V = 2.50 V
Measured 1.8V = 1.78 V
Measured I4 1.2V = 1.22 V
Voltage test returned OK
Starting PSU test:
PSU 0 present OK
PSU 1 present OK
PSU test returned OK
Starting Temperature test:
Back temperature 32
Front temperature 32
SP temperature 46
Switch temperature 41, maxtemperature 48
Temperature test returned OK
Starting FAN test:
Fan 0 not present
Fan 1 running at rpm 11881
Fan 2 running at rpm 11772
Fan 3 running at rpm 12208
Fan 4 not present
FAN test returned OK
Starting Connector test:
Connector test returned OK
Starting Onboard ibdevice test:
Switch OK
All Internal ibdevices OK
Onboard ibdevice test returned OK
Environment test PASSED
Cause
The issue is described in the bug CR 6998891.
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Solution
The alert can be ignored if it does not occurs frequently
The issue will be fixed in Infiniband Firmware release 2.0
References
Attachments
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