How to convert from 7-Mode to CDOT

Here is a publicly accessible document on converting your old 7-Mode systems to NetApp's new operating system, CDOT.

https://kb.netapp.com/support/index?page=content&id=1013517

An excerpt:

Perform the following steps to convert from Data ONTAP 7-Mode to Data ONTAP 8.0X Cluster-Mode

1. Disable 'Cluster Failover' and reboot the node to the LOADER prompt. Do not perform a takeover.
2. Boot each node to the LOADER prompt and ensure that the following variables are set:
   
   To convert from 7-Mode to Cluster-Mode:
   LOADER> set-defaults
LOADER> setenv bootarg.init.boot_clustered true
LOADER>  setenv bootarg.bsdportname
 
3. Boot the node with this command:
   boot_ontap
4. When the nodes are booting, press CTRL+C to enter the Boot menu.
5. At the Boot menu, select wipeconfig on each node.
   *******************************
* Press Ctrl-C for Boot Menu. *
*******************************
How would you like to continue booting?
(normal) Normally
(install) Install new software first
(password [user]) Change root/user password
(setup) Run setup first
(init) Initialize disks and create flexvol
(maint) Boot into maintenance mode
(syncflash) Update flash from backup config
(reboot) Reboot node
Please make a selection: wipeconfig