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Enter the customer's onboard key management passphrase at the prompt. If the passphrase
cannot be provided, contact Lenovo Support.
https://datacentersupport.lenovo.com/
b.
Verify the
security key-manager key query
c.
Verify that the
d.
Go to advanced privilege mode and enter y when prompted to continue:
set -priv advanced
e.
Enter the command to display the key management backup information:
security key-manager onboard show-backup
f.
Copy the contents of the backup information to a separate file or your log file. You'll need it in
disaster scenarios where you might need to manually recover OKM.
g.
Return to admin mode:
set -priv admin
h.
You can safely shutdown the node.
Shutting down the impaired controller
You can shut down or take over the impaired controller using different procedures, depending on the storage
system hardware configuration.
Completing node shutdown
After completing the LVE or Lenovo Storage Encryption (LSE) tasks, you need to complete the shutdown of
the impaired node.
P P r r o o c c e e d d u u r r e e
Step 1.
If the impaired node isn't at the LOADER prompt:
I I f f t t h h e e i i m m p p a a i i r r e e d d n n o o d d e e d d i i s s p p l l a a y y s s . . . . . .
Waiting for giveback...
System prompt or password prompt (enter
system password)
Step 2.
From the LOADER prompt, enter:
printenv
to capture all boot environmental variables. Save the output to your log file.
Note: This command may not work if the boot device is corrupted or non-functional.
Removing the controller module
You must remove the controller module from the chassis when you replace a component inside the controller
module.
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
Make sure that you label the cables so that you know where they came from.
Restored
column shows
Key Manager
type shows
yes
for all authentication keys:
onboard
, manually backup the OKM information.
T T h h e e n n . . . . . .
Press Ctrl-C, and then respond y when
prompted.
Take over or halt the impaired node:
• For an HA pair, take over the impaired node
from the healthy node:
storage failover takeover -ofnode impaired_
node_name
When the impaired node shows Waiting for
giveback..., press Ctrl-C, and then respond
y.
Chapter 4
.
Hardware replacement procedures
53
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