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e.
Release your thumbs from the top of the latching mechanisms and continue pushing until the
latching mechanisms snap into place.
The controller module begins to boot as soon as it is fully seated in the chassis. Be prepared to
interrupt the boot process.
The controller module should be fully inserted and flush with the edges of the chassis.
Step 3.
Cable the management and console ports only, so that you can access the system to perform the
tasks in the following sections.
Note: You will connect the rest of the cables to the controller module later in this procedure.
Running diagnostics
After you have replaced a component in your system, you should run diagnostic tests on that component.
B B e e f f o o r r e e y y o o u u b b e e g g i i n n
Your system must be at the LOADER prompt to start diagnostics.
A A b b o o u u t t t t h h i i s s t t a a s s k k
All commands in the diagnostic procedures are issued from the node where the component is being
replaced.
P P r r o o c c e e d d u u r r e e
Step 1.
If the node to be serviced is not at the LOADER prompt, reboot the node:
system node halt -node node_name
After you issue the command, you should wait until the system stops at the LOADER prompt.
Step 2.
At the LOADER prompt, access the special drivers specifically designed for system-level
diagnostics to function properly:
boot_diags
Step 3.
Select Scan System from the displayed menu to enable running the diagnostics tests.
Step 4.
Select Test system from the displayed menu to run diagnostics tests.
Step 5.
Proceed based on the result of the preceding step:
• If the scan show problems, correct the issue, and then rerun the scan.
• If the scan reported no failures, select Reboot from the menu to reboot the system.
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.
P P r r o o c c e e d d u u r r e e
Step 1.
Recable the system storage and networking cables, as needed.
Step 2.
Reconnect the power supply.
a.
Open the power cable retainer and plug the power cable into the power supply.
b.
Plug the power cable into the power source.
Step 3.
Return the node to normal operation by giving back its storage from the running node: storage
failover giveback -ofnode impaired_node_name
Note: This operation need to be performed when the impaired node shows "Waiting for
giveback...".
Lenovo Data Center Support
Chapter 4
if you need the RMA number or
.
Hardware replacement procedures
81
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