Overtemp conditions for the Internal 8-port SAS RAID HBA (Cougar) in T5x20 and T5x40 (Doc ID 1503161.1)

Last updated on JULY 01, 2016

Applies to:

Sun SPARC Enterprise T5220 Server - Version All Versions to All Versions [Release All Releases]
Sun SPARC Enterprise T5240 Server - Version All Versions to All Versions [Release All Releases]
Sun SPARC Enterprise T5140 Server - Version All Versions to All Versions [Release All Releases]
Sun SPARC Enterprise T5120 Server - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

In T5xx0 servers with Internal Cougar HBA installed for SAS disks "arcconf getconfig 1" command shows that the baterry is over temperature. There are also errors reported in /var/adm/messages. Example below:

# ./arcconf GETCONFIG 1
Controllers found: 1
------------------------
Controller information
------------------------
Controller Status : Optimal
Channel description : SAS/SATA
Controller Model : Sun STK RAID INT
Controller Serial Number : 00826AA0954
Temperature : 106 C/ 222 F (Abnormal)

 In the same output below you can notice that the "Over temperatyre" is set to "Yes":

--------------------------------------------------------
  Controller Battery Information
  --------------------------------------------------------
  Status                                   : Charging disabled
  Over temperature                         : Yes
  Capacity remaining                       : 100 percent
  Time remaining (at current draw)         : 3 days, 10 hours, 56 minutes
----------------------------------------------------------------------

 Error in messages will look like:

7 november 2008 12.11.41 CET <hostname> The battery has exceeded normal operating temperature: controller 2.

Cause

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