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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 boot media
The boot media stores a primary and secondary set of system (boot image) files that the system uses when it
boots. Depending on your network configuration, you can perform either a nondisruptive or disruptive
replacement.
Before you begin
You must have a USB flash drive, formatted to FAT32, with the appropriate amount of storage to hold the
image_xxx.tgz.
About this task
• The nondisruptive and disruptive methods for replacing a boot media both require you to restore the var
file system:
– For nondisruptive replacement, the HA pair must be connected to a network to restore the var file
system.
– For disruptive replacement, you do not need a network connection to restore the var file system, but
the process requires two reboots.
• You must replace the failed component with a replacement FRU component you received from your
provider.
• It is important that you apply the commands in these steps on the correct controller:
– The degraded controller is the controller on which you are performing maintenance.
– The healthy controller is the HA partner of the degraded controller.
Workflow diagram
This diagram shows the workflow of the boot media replacement procedure for a system.
Lenovo Data Center Support
Chapter 5
if you need the RMA number or
.
Hardware replacement procedures
73
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