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How to Eliminate the Wrong Report by the Alarm Indicator of the Oceanspace S2100 Controller Enclosure?

Publication Date:  2012-07-20 Views:  128 Downloads:  0
Issue Description
After the S2100 storage system is powered on and runs normally, the alarm indicator of the S2100 controller enclosure is red on continuously. However, no alarm information is displayed on the OSM, and no hardware component is faulty.
Alarm Information
Handling Process
  1. Check the hardware.
Log in to the storage system on the OSM. Query the hardware faults in the system fault history or logs, but no matched result is found. View the indicators of hardware components (such as hard disks), and all indicators are in the Normal state.
The I/O applications to hard disks are normal, and the storage system runs properly. Therefore, the wrong report must not be caused by a hard disk fault.
  1. Check the software.
After the check on the software, the S2100 and the S5000 are discovered to employ the software of the same version. However, the values (0 and 1) of the parameter sesstartlight indicate contrary meaning; therefore, the wrong report is generated.
  1. Solution
Connect the storage system to the HyperTerminal by using a serial port cable, and then log in to the storage system.
Enter the debug mode.
Run the mml command.
Run the dev sesstartlight 1 command after the prompt to turn off the alarm indicator of the controller enclosure forcibly.
The alarm indicator is turned off, and the fault is rectified.
Root Cause
The wrong report is caused by the out-of-date software version. The alarm indicator can be turned off forcibly, but the fault reappears after the restart of the storage system. It is recommended to upgrade the software to completely rectify the fault.