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All commands in the diagnostic procedures are issued from the controller where the component is being
replaced.
Step 1.
If the controller to be serviced is not at the LOADER prompt, reboot the controller by typing:
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:
During the boot process, you can safely respond
prompt (*>) appears.
Step 3.
Display and note the available devices on the controller module:
The controller module devices and ports displayed can be any one or more of the following:
• bootmedia is the system booting device.
• cna is a Converged Network Adapter or interface not connected to a network or storage device.
• fcal is a Fibre Channel-Arbitrated Loop device not connected to a Fibre Channel network.
• env is motherboard environmentals.
• mem is system memory.
• nic is a network interface card.
• nvram is nonvolatile RAM.
• nvmem is a hybrid of NVRAM and system memory.
• sas is a Serial Attached SCSI device not connected to a disk shelf.
Step 4.
Run diagnostics for each component from the maintenance menu. For example:
-dev nvmem -long -state failed
ThinkSystem DM3000x and DM5000x Hardware Installation and Maintenance Guide
58
boot_diags
to the prompts until the Maintenance mode
y
sldiag device show -dev mb
sldiag device status
halt
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