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In this Document

Symptoms

Cause

Solution

Applies to:

Symptoms

Login to the switch ILOM

-> cd /SYS/Fabric_Mgmt
-> ls
FabMan@localhost->showunhealthy 
Error on I2C read i2caddr = b4, reg 5e, status = -1, errno = No such device or address 
OK - No unhealthy sensors 
FabMan@localhost-> 
 
SUN DCS 36p version: 1.3.3-2 
Build time: Apr  4 2011 11:15:19 
SP board info: 
Manufacturing Date: 2012.12.27 
Serial Number: "#######" 
Hardware Revision: 0x0007 
Firmware Revision: 0x0000 
BIOS version: SUN0R100 
BIOS date: 06/22/2010 
 
 
 FabMan@localhost->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 = 3.39 V 
Measured 12V = 12.09 V 
Measured 5V = 4.99 V 
Measured VBAT = 3.03 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: 
Error on I2C read i2caddr = b4, reg 5e, status = -1, errno = No such device or address <<<<<<<<<
PSU 0 present 
PSU 1 present OK 
PSU test returned OK 
Starting Temperature test: 
Back temperature 29 
Front temperature 28 
SP temperature 54 
Switch temperature 52, maxtemperature 54 
Temperature test returned OK 
Starting FAN test: 
Fan 0 not present 
Fan 1 running at rpm 12753 
Fan 2 running at rpm 12644 
Fan 3 running at rpm 12644 
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

PS0 was poorley seated.

Solution

1) reseat both power supplies

2) If problem is still present, swap slots. IE: move ps0 to ps1 slot and ps1 to ps0 slot

      -If problem follows PS0 to the new slot then replace the PS

      -If the problem remains with slot 0, then the switch will likely need to be replaced.

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