Completing The Replacement Process; Replacing The Real-Time Clock Battery - Lenovo ThinkSystem DM3000x Hardware Installation And Maintenance Manual

Step 10. Although ONTAP 9 retains the environment variable settings, it is a best practice to verify that they
are set as expected.
a. Take the controller to the LOADER prompt.
b. Check the environment variable settings with the
c. If an environment variable is not set as expected, modify it with the
variable_name changed_value command.
d. Save your changes using the
e. Reboot the controller.
Step 11. The next step depends on your system configuration:
If your system is in...
An HA pair

Completing the replacement process

After you replace the part, you can return the failed part to Lenovo, as described in the RMA instructions
shipped with the kit. Contact technical support at
additional help with the replacement procedure.

Replacing the real-time clock battery

You replace the real-time clock (RTC) battery in the controller module so that your system's services and
applications that depend on accurate time synchronization continue to function.
About this task
• You can use this procedure with all versions of ONTAP supported by your system.
printenv
command.
saveenv
Then...
After the degraded controller is displaying the
Waiting for Giveback... message, perform a
giveback from the healthy controller:
1. Perform a giveback from the healthy
controller:
partner_node_name
This initiates the process of returning
ownership of the degraded controller's
aggregates and volumes from the healthy
controller back to the degraded controller.
Note: If the giveback is vetoed, you can
consider overriding the vetoes.
If giveback is vetoed
2. Monitor the progress of the giveback
operation by using the
show-giveback
3. After the giveback operation is complete,
confirm that the HA pair is healthy and that
takeover is possible by using the
failover show
4. Restore automatic giveback if you
disabled it by using the
modify
Lenovo Data Center Support
Chapter 5
command.
setenv
environment_
storage failover giveback -ofnode
storage failover
command.
command.
storage failover
command.
if you need the RMA number or
.
Hardware replacement procedures
storage
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