Your customer mentions that they have accidentally destroyed both root aggregates in their two-node cluster.
In this scenario, what are two actions that must be performed? (Choose two.)
If both root aggregates are destroyed in a two-node cluster, the cluster will be inoperable and the data will be inaccessible. To recover from this situation, you need to perform the following actions:
Install ONTAP from a USB device on one of the nodes. This will create a new root aggregate and a new cluster on that node.
Rejoin the second node to the re-created cluster. This will also create a new root aggregate on the second node and synchronize it with the first node.
Restore the cluster configuration and data from a backup, if available.Reference=
Storage System Recovery Troubleshooting
Recovering from a root aggregate failure
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