Lenovo DE120S, Hardware Installation And Maintenance Manual

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• 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
Step 2. Bring the controller online using either ThinkSystem System Manager or the Enterprise
Management Window's (EMW) script editor of ThinkSystem Storage Manager.
• 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 script editor in the EMW:
1. Open the Enterprise Management Window (EMW) in ThinkSystem Storage Manager on your
local host.
2. Select the storage array.
3. Select Tools
➙
Execute Script .
4. Type one of the following commands in the text box.
For controller A:
set controller [a] availability=online;
For controller B:
set controller [b] availability=online;
5. Select Tools ➙ Verify and Execute .
The system places the controller online.
Step 3. Check the codes on the controller's seven-segment display as it comes back online. If the display
shows one of the following repeating sequences, immediately remove the controller.
• OE , L0 , blank (mismatched controllers)
• OE , L6 , blank (unsupported HIC)
Attention: Possible loss of data access – If the controller you just installed shows one of these
codes, and the other controller is reset for any reason, the second controller could also lock down.
Step 4. When the controller is back online, confirm that its status is Optimal, and check the controller
shelf’s Attention LEDs.
Chapter 3
.
Hardware replacement procedures
145