IBM N7800 Hardware And Service Manual page 137

2. If you have not already done so, on the replacement node, enter the following
3. Wait until the Waiting for giveback... message is displayed on the
4. From the healthy node, ensure that any coredumps on the replacement node
5.
6. Verify that the disks (or gateway LUNs) were assigned correctly by entering the
system-1> disk show
DISK OWNER
------- -------------
0b.17 node2 (1873774574) Pool0 J8Y0TDZC
0a.17 node1 (118065578) Pool0 J8Y09DXC
.
.
.
7. Verify that the expected volumes are present and online for each node by
halt
After you issue the command, wait until the system stops at the LOADER
prompt.
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.
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 has been automatically assigned:
cf status
You should see a message similar to the following indicating that the system ID
change has been detected:
HA mode.
System ID changed on partner (Old: 1873774576, New: 1873774574).
partner_node has taken over target_node.
target_node is ready for giveback.
The message shows the new system ID of the replacement node. In this
example it is 1873774574.
are saved:
a. Enter the following command:
partner savecore
b. If the command output indicates that savecore is in progress, wait for
savecore to complete before issuing the giveback. You can enter the
following command to monitor the progress of the savecore:
partner savecore -s
Enter the following command from the healthy node after the replacement
node is displaying the Waiting for Giveback message:
cf giveback
following command:
disk show
Make sure that the disks belonging to the replacement node show the new
system ID for the replacement node. In the following example, the disks owned
by node2 now show the new system ID, 1873774574:
POOL SERIAL NUMBER HOME
----- ------------- -------------
system-2 (1873774574)
system-1 (118065578)
entering the following command:
vol status
DR HOME
------------------
Chapter 5. Replacing N7000 series system devices
111