If you have…
Then…
An HA configuration You should verify that the command output
shows ha:
*> ha-config show
Chassis HA configuration: ha
Controller HA configuration: ha
Systems record in a PROM. The state must be
the same on all components within the HA pair
The hhaa--ccoonnffiigg mmooddiiffyy ccoonnttrroolllleerr hhaa
command configures ha for the controller
setting. The hhaa--ccoonnffiigg mmooddiiffyy cchhaassssiiss hhaa
command configures ha for the chassis
setting.
ONTAP 9 High-Availability Configuration Guide
A MetroCluster configuration
You should verify that the command output
shows the correct MetroCluster setting:
• mcc-2n for two-controller MetroCluster
configurations
• mcc for other MetroCluster configurations
For example:
*> ha-config show
Chassis HA configuration: mcc-2n
Controller HA configuration: mcc-2n
The hhaa--ccoonnffiigg mmooddiiffyy ccoonnttrroolllleerr {{mmcccc--22nn||
mmcccc}} command modifies the controller setting
and the hhaa--ccoonnffiigg mmooddiiffyy cchhaassssiiss {{mmcccc--22nn||
mmcccc}} command modifies the chassis setting
for MetroCluster configurations.
ONTAP 9 Fabric-attached MetroCluster
Installation and Configuration Guide
ONTAP 9 Stretch MetroCluster Installation and
Configuration Guide
.
Step 14. Enter y to confirm that you want to destroy the local mailboxes.
Step 15. Exit Maintenance mode: halt
The system stops at the boot environment prompt.
Optional: Moving internal storage or converting the system to a drive shelf
If your original controller is one of the supported models, you can move its internal SATA drives or SSDs to a
drive shelf that is attached to the new controllers during the process of upgrading by moving storage. You
can also convert the system to a drive shelf and attach it to the new controllers.
You can move drives or drive shelves only within the same cluster.
Chapter 6. Upgrading controller hardware 95
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