IBM N7800 Hardware And Service Manual page 148

2. On the replacement node, enter the following command at the LOADER
3. If you have not already done so, on the replacement node, enter the following
4. Select the Update flash from backup config option from the displayed menu.
5. Wait until the Waiting for giveback... message is displayed on the
node1::*> storage failover show
Node Partner
------------ ------------
node1 node2
node2 node1
6. From the healthy node, ensure that any coredumps on the replacement node
7. Complete the following substeps after the replacement node is displaying the
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IBM System Storage: N7000 Series Hardware and Service Guide
halt
After you issue the command, wait until the system stops at the LOADER
prompt.
prompt to ensure that the new controller module boots in clustered Data
ONTAP:
setenv bootarg.init.boot_clustered true
command at the LOADER prompt to boot the node, and press Ctrl-C to
interrupt the boot process when prompted to display the boot menu:
boot_ontap
If you are prompted to override the system ID due to a system ID mismatch,
enter y.
If you are asked to continue with the update, enter y when prompted. The
replacement node boots up and displays the Waiting for Giveback message.
replacement node's console and then, on the healthy node, enter the following
command to verify that the NVRAM adapter replacement has been detected
and that the new partner system ID automatically assigned:
Takeover
Possible State Description
-------- -------------------------------------
- Waiting for giveback (HA mailboxes)
false System ID changed on partner (Old:
151759755, New: 151759706), In takeover
are saved:
a. From the healthy node, enter the following command to change to the
advanced privilege level:
set -privilege advanced
You can respond Y when prompted to continue into advanced mode. The
advanced mode prompt appears (*>).
b. From the healthy node, enter the following command:
system node run -node local-node-name partner savecore
c. Wait for savecore command to complete before issuing the giveback. You
can enter the following command to monitor the progress of the savecore
command:
system node run -node local-node-name partner savecore -s
d. From the healthy node, enter the following command to return to the
admin privilege level:
set -privilege admin
Waiting for Giveback message:
a. Enter the following command from the healthy node:
storage failover giveback -ofnode replacement_node_name
As the replacement node boots up, it might display the prompt warning of
a system ID mismatch and asking to override the system ID. You can
respond Y. The replacement node takes back its storage, completes booting
up, and then reboots and is again taken over by the healthy node.