Important:
Before you attempt to replace the controller:
• Do not remove the failed controller until you are ready to install the replacement.
• Verify that the replacement controller matches the part shown on the RMA work order.
• Determine the state of the controllers and power supplies. Before removing a controller, address any power supply
issues in the peer controller if the power supplies do not show proper operational status (green LED). For HPE
Alletra 6030 and 6050 arrays with 800 W power supplies, this precaution is critical..
1 Prepare the failed controller for replacement.
a Log in to the array using the CLI.
b Determine whether the failed controller is in Standby mode.
ctrlr --list --array array_name
c If the failed controller is in Active mode, perform a manual failover.
failover --array array_name
d Verify that the manual failover placed the failed controller in Standby mode.
ctrlr --list--array array_name
e Halt the standby controller.
halt --array array_name --controller {A | B}
Example
$ halt --array array123 --controller A
2 Remove the failed controller.
a Disconnect the power cables from the power supplies of the standby controller.
b Label all cables to ensure proper recabling later, then remove them from the controller.
c Loosen the left and right thumbscrews to free the controller release levers from the controller.
31 ControllerThumbscrew
2 Controller release lever
d Pull the controller release levers down until they stop. The controller ejects slightly from the chassis.
e Supporting the weight of the controller, pull the controller release levers to slide the controller out of the chassis. Then
place the controller on a flat surface.
Replace a Controller 4
Documentation Feedback: doc-feedback-hpe-storage@hpe.com
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