If the impaired node is
displaying…
Then…
The LOADER prompt Go to Remove controller module..
Waiting for giveback…
Press Ctrl-C, and then respond y when prompted.
System prompt or password
prompt (enter system password)
Take over or halt the impaired node from the healthy node: storage
failover takeover -ofnode impaired_node_name
+ When the impaired node shows Waiting for giveback…, press Ctrl-
C, and then respond
y.
+
Replace the controller module hardware - AFF A900
To replace the controller module hardware, you must remove the impaired node, move
FRU components to the replacement controller module, install the replacement controller
module in the chassis, and then boot the system to Maintenance mode.
The following animation shows the whole process of moving components from the impaired to the replacement
controller.
Animation — Move components to replacement controller
Step 1: Open the controller module
To access components inside the controller, you must first remove the controller module
from the system and then remove the cover on the controller module.
1. If you are not already grounded, properly ground yourself.
2. Unplug the cables from the impaired controller module, and keep track of where the cables were
connected.
3. Slide the terra cotta button on the cam handle downward until it unlocks.
Animation — Remove the controller
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