| Asset ID: |
1-72-1472533.1 |
| Update Date: | 2015-08-13 |
| Keywords: | |
Solution Type
Problem Resolution Sure
Solution
1472533.1
:
IB Switch Power Supply Sensor Detects a False Alert
| Related Items |
- Exadata X3-2 Hardware
- Exadata Database Machine V2
- Exalogic Elastic Cloud X4-2 Quarter Rack
- Exadata X3-2 Full Rack
- Exadata X4-2 Eighth Rack
|
| 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 X4-2 Eighth Rack - Version All Versions and later
Exadata Database Machine V2 - Version All Versions to All Versions [Release All Releases]
Exadata X3-2 Full Rack - Version All Versions and later
Exadata X3-2 Hardware - Version All Versions and later
Exalogic Elastic Cloud X4-2 Quarter Rack - Version X4 to X4 [Release X4]
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.
Also refer BUG 18123353 - ADM1026 Erroneous readings of Voltage Channels even with workaround implemented
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Solution
This alert can be ignored if it does not occur frequently
CR 6998891 has been fixed in Infiniband Firmware release 2.0
BUG 18123353 is fixed in Firmware Release 2.1.6
Attachments
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