cluster1:*> system node autosupport invoke -node * -type all -message MAINT=2h
3. Check the version of ONTAP the system is running on the impaired node if up, or on the
partner node if the impaired node is down, using the version -v command:
• If <lno-DARE> is displayed in the command output, the system does not support NVE, go
to
Shutting down the impaired controller
on page 7.
• If <lno-DARE> is not displayed in the command output,, and the system is running
ONTAP 9.6 or later, go to
Checking NVE or NSE on systems running ONTAP 9.6 and later
on page 4
4. If the impaired node is part of an HA configuration, disable automatic giveback from the
healthy node:
storage failover modify -node local -auto-giveback false
storage failover modify -node local -auto-giveback-after-panic false
Checking NVE or NSE on systems running ONTAP 9.6 and later
Before shutting down the impaired node, you need to check whether the system has either NetApp
Volume Encryption (NVE) or NetApp Storage Encryption (NSE) enabled. If so, you need to verify
the configuration.
Steps
1.
Check whether NVE is configured for any volumes in the cluster:
volume show -is-encrypted true
If any volumes are listed in the output, NVE is configured and you need to verify the NVE
configuration. If no volumes are listed, check whether NSE is configured.
2. Check whether NSE is configured:
storage encryption disk show
• If the command output list the drive details with Mode & Key ID information, NSE is
configured and you need to verify the NSE configuration.
• If no disks are shown, NSE is not configured.
• If NVE and NSE are not configured, it's safe to shut down the impaired node.
Verifying NVE configuration
Steps
1. Display the key IDs of the authentication keys that are stored on the key management servers:
security key-manager query
• If the Key Manager type displays external and the Restored column displays
yes, it's safe to shut down the impaired node.
• If the Key Manager type displays onboard and the Restored column displays yes,
you need to complete some additional steps.
• If the Key Manager type displays external and the Restored column displays
anything other than yes, you need to complete some additional steps.
• If the Key Manager type displays onboard and the Restored column displays
anything other than yes, you need to complete some additional steps.
2. If the Key Manager type displays onboard and the Restored column displays yes,
manually backup the OKM information:
a. Go to advanced privilege mode and enter y when prompted to continue:
set -priv advanced
AFF A320 systems: Replacing the boot media
4
Replacing the boot media
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