hi
When you do not know the password, you can change the password in the boot menu.
warring：
This procedure requires a complete outage for a Data ONTAP 7-mode HA pair to complete.
procedure
1、Power OFF both the nodes (this can be done by powering OFF the chassis PSUs)
2、Boot both the nodes into Maintenance Mode by selecting option 5 from Special Boot Menu
3、Execute below commands on both the nodes in maintenance mode
storage release disks
mailbox destroy local
mailbox destroy partner
4、Halt the node and it will come to Loader prompt
5、Boot the node and select option 3 from the special boot menu
a) boot_ontap
b) Press Ctrl - C when you see these below
*******************************
* *
* Press Ctrl-C for Boot Menu. *
* *
*******************************
c) When boot menu is available，select Option 3
(1) Normal Boot.
(2) Boot without /etc/rc.
(3) Change password.
(4) Clean configuration and initialize all disks.
(5) Maintenance mode boot.
(6) Update flash from backup config.
(7) Install new software first.
(8) Reboot node.
Selection (1-8)? 3
6、When prompt for new password, enter the new password
7、Repeat step 5 and 6 on the second node
8、Login with the new password
9、Enable Cluster failover by using the below command
cf enable
10、Validate the status of HA by using the below command
cf status
