Adding a second controller module to create an ONTAP HA pair

Upgrading a stand-alone controller module to a two-node cluster in an HA pair is a multistep process involving both hardware and software changes that must be performed in the proper order.

Before you begin

About this task

This procedure can take over an hour, with additional time needed to initialize the disks. The time to initialize the disks depends on the size of the disks.