If the storage system is in an HA pair, the system ID of the new controller module is automatically
assigned to the disks when the giveback occurs at the end of the procedure. You must confirm the system
ID change when you boot the replacement controller and then verify that the change was implemented.
This procedure applies only to systems running ONTAP in an HA pair.
1. If the replacement controller is in Maintenance mode (showing the
and go to the LOADER prompt:
2. From the LOADER prompt on the replacement controller, boot the controller, entering
prompted to override the system ID due to a system ID
3. Wait until the
Waiting for giveback...
console and then, from the healthy controller, verify that the new partner system ID has been
automatically assigned:
In the command output, you should see a message that the system ID has changed on the impaired
controller, showing the correct old and new IDs. In the following example, node2 has undergone
replacement and has a new system ID of 151759706.
node1> `storage failover show`
Node
------------
-------------------------------------
node1
on partner (Old:
151759706), In takeover
node2
giveback (HA mailboxes)
4. From the healthy controller, verify that any coredumps are saved:
a. Change to the advanced privilege level:
You can respond
appears (*>).
b. Save any coredumps:
c. Wait for the `savecore`command to complete before issuing the giveback.
You can enter the following command to monitor the progress of the savecore command:
node run -node local-node-name partner savecore -s
d. Return to the admin privilege level:
5. If your storage system has Storage or Volume Encryption configured, you must restore Storage or
Volume Encryption functionality by using one of the following procedures, depending on whether you
are using onboard or external key management:
Restore onboard key management encryption keys
◦
154
halt
message is displayed on the replacement controller
storage failover show
Partner
------------
node2
node1
set -privilege advanced
when prompted to continue into advanced mode. The advanced mode prompt
Y
system node run -node local-node-name partner savecore
set -privilege admin
prompt, exit Maintenance mode
*>
mismatch:boot_ontap
Takeover
Possible
State Description
--------
false
System ID changed
151759755, New:
-
Waiting for
if you are
y
system
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