State is configured and that the nodes are in an enabled and normal state (metrocluster node show).
Steps
1. If AutoSupport is enabled, suppress automatic case creation by invoking an AutoSupport message:
system node autosupport invoke -node * -type all -message
MAINT=number_of_hours_downh
The following AutoSupport message suppresses automatic case creation for two hours: cluster1:*>
system node autosupport invoke -node * -type all -message MAINT=2h
2.
Disable automatic giveback from the console of the healthy node:
storage failover modify –node
local -auto-giveback false
3. Take the impaired node to the LOADER prompt:
If the impaired node is
displaying…
Then…
The LOADER prompt Go to the next step.
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:
• For an HA pair, take over 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.
Step 2: Open the system
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.
Steps
1. If you are not already grounded, properly ground yourself.
2. Loosen the hook and loop strap binding the cables to the cable management device, and then unplug the
system cables and SFPs (if needed) from the controller module, keeping track of where the cables were
connected.
Leave the cables in the cable management device so that when you reinstall the cable management
device, the cables are organized.
3. Remove and set aside the cable management devices from the left and right sides of the controller module.
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