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Brocade G610 temperature sensors stopped working

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
Last Updated:

Applies to

  • Brocade G610
  • Brocade Fabric Operating System (FOS) 9.x

Issue

  • errdump reports issues with sensors and the I2C bus:
2023/08/29-09:36:22, [EM-1014], 674, CHASSIS, ERROR, BrocadeG610, Unable to read sensor on Switch (-4).
2023/08/29-09:41:15, [EM-1029], 679, CHASSIS, WARNING, BrocadeG610, Switch, a problem occurred accessing a device on the I2C bus (-4). Operational status (10) not changed, access is being retried.
  • Temperature sensors are in Unknown state:
/fabos/cliexec/tempshow:
Sensor ID|Sensor Index|State               |Centigrade  |Fahrenheit  |
----------------------------------------------------------------------
1        |0           |Unknown             |N/A         |N/A         |
2        |1           |Unknown             |N/A         |N/A         |
3        |2           |Unknown             |N/A         |N/A         |
4        |3           |Unknown             |N/A         |N/A         |
5        |4           |Unknown             |N/A         |N/A         |
6        |5           |Unknown             |N/A         |N/A         |
7        |6           |Unknown             |N/A         |N/A         |
8        |7           |Unknown             |N/A         |N/A         |
9        |8           |Unknown             |N/A         |N/A         |
 
/fabos/cliexec/sensorshow:
sensor  1: (Temperature) is Unknown
sensor  2: (Temperature) is Unknown
sensor  3: (Temperature) is Unknown
sensor  4: (Temperature) is Unknown
sensor  5: (Temperature) is Unknown
sensor  6: (Temperature) is Unknown
sensor  7: (Temperature) is Unknown
sensor  8: (Temperature) is Unknown
sensor  9: (Temperature) is Unknown
sensor 10: (Fan        ) is Ok,speed is 7425 RPM
sensor 11: (Fan        ) is Ok,speed is 7425 RPM
sensor 12: (Fan        ) is Ok,speed is 7507 RPM
sensor 13: (Fan        ) is Ok,speed is 7507 RPM
sensor 14: (Power Supply) is Ok
  • Soft reset/warm reboot such as haReboot is not successful in resolving the issue.
  • The switch is on a supported FOS.

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