Place controller online

Place the controller online to confirm the storage array is working correctly. Then, you can collect support data and resume operations.

1. As the controller boots, check the controller LEDs and the seven-segment display.
   Note: The figure shows an example controller canister. Your controller might have a different number and a different type of host ports.

   When communication with the other controller is reestablished:

   • The seven-segment display shows the repeating sequence OS, OL, blank to indicate that the controller is offline.
   • The amber Attention LED remains lit.
   • The Host Link LEDs might be on, blinking, or off, depending on the host interface.

   
   
   

   Attention LED (amber)	Seven-segment display
   Host Link LEDs

2. Bring the controller online using ThinkSystem System Manager or the SMcli tool.

   • To use ThinkSystem System Manager:

     1. Select Hardware.
     2. If the graphic shows the drives, select Show back of shelf.
     3. Select the controller you want to place online.
     4. Select Place Online from the context menu, and confirm that you want to perform the operation.

     The system places the controller online.

   • To use SMcli tool:

     1. Open a system terminal and change current directory to the same directory of SMcli executable.
     2. Execute one of the following SMCli commands:

        For controller A: set controller [a] availability=online;
        

        For controller B: set controller [b] availability=online;
        

        Note: For more information, see Command Line Interface (CLI) Reference.

     The system places the controller online.

3. When the controller is back online, confirm that its status is Optimal, and check the controller shelf’s Attention LEDs.

   If the status is not Optimal or if any of the Attention LEDs are on, confirm that all cables are correctly seated, and check that the battery and the controller canister are installed correctly. If necessary, remove and reinstall the controller canister and the battery.

   Note: If you cannot resolve the problem, contact technical support.
4. Collect support data for your storage array using ThinkSystem System Manager.
   1. Select Support > Support Center > Diagnostics.
   2. Select Collect Support Data.
   3. Click Collect.

   The file is saved in the Downloads folder for your browser with the name support-data.7z.