Lenovo ThinkSystem DE2000H 7Y71 - Page 26

◦ From ThinkSystem System Manager:
a.
Select Hardware.
b.
If the graphic shows the drives, select Show back of shelf to show the controllers.
c.
Select the controller that you want to place offline
d.
From the context menu, select Place offline, and confirm that you want to perform the
operation.

If you are accessing ThinkSystem System Manager using the
controller you are attempting to take offline, a ThinkSystem System
Manager Unavailable message is displayed. Select Connect to an
alternate network connection to automatically access ThinkSystem
System Manager using the other controller.
◦ To use SMcli under system terminal:
a.
Download SMcli from ThinkSystem System Manager and set up SMcli command
execution environment.
b.
Execute one of the following SMCli commands:
▪ For controller A:
set controller [a] availability=offline;
▪ For controller B: set controller [b] availability=offline;
The system attempts to take the controller offline.
Notes:
▪ Execution environment requires setting JAVA_HOME environment variable, and
JRE8 or later.
▪ See Command Line Interface (CLI) Reference and follow the complete command
syntax for this operation.
8.
Wait for ThinkSystem System Manager to update the controller’s status to offline.

Do not begin any other operations until after the status has been updated.
9.
Select Recheck from the Recovery Guru, and confirm that the OK to remove field in the
Details area displays Yes, indicating that it is safe to remove this component.
3.2.2. Step 2: Remove controller canister (duplex)
Remove a controller canister to replace the failed canister with a new one. Perform this task only if
your storage array has two controllers (duplex configuration).
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