controller if the impaired controller is down, using the
version -v
command:
◦
If <lno-DARE> or <1Ono-DARE> is displayed in the command output, the system does not support
NVE, proceed to shut down the controller.
◦
If <lno-DARE> is not displayed in the command output, and the system is running ONTAP 9.6 or later,
go to the next section.
4. If the impaired controller is part of an HA configuration, disable automatic giveback from the healthy
controller:
storage failover modify -node local -auto-giveback false
or
storage
failover modify -node local -auto-giveback-after-panic false
Check NVE or NSE on systems running ONTAP 9.6 and later
Before shutting down the impaired controller, you need to verify whether the system has either NetApp Volume
Encryption (NVE) or NetApp Storage Encryption (NSE) enabled. If so, you need to verify the configuration.
1. Verify whether NVE is in use 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 and in use.
2. Verify whether NSE is configured and in use:
storage encryption disk show
◦
If the command output lists the drive details with Mode & Key ID information, NSE is configured and
you need to verify the NSE configuration and in use.
◦
If no disks are shown, NSE is not configured.
◦
If NVE and NSE are not configured, no drives are protected with NSE keys, it’s safe to shut down the
impaired controller.
Verify NVE configuration
1. Display the key IDs of the authentication keys that are stored on the key management servers:
security
key-manager key-query
After the ONTAP 9.6 release, you may have additional key manager types. The types are
KMIP
,
AKV
, and
GCP
. The process for confirming these types is the same as confirming
external
or
onboard
key manager types.
• If the
Key Manager
type displays
external
and the
Restored
column displays
yes
, it’s safe to shut
down the impaired controller.
• 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.
1. If the
Key Manager
type displays
onboard
and the
Restored
column displays
yes
, manually back
up the OKM information:
a. Go to advanced privilege mode and enter
y
when prompted to continue:
set -priv advanced
b. Enter the command to display the key management information:
security key-manager
2
