This section covers the steps to enable suspended mode.

Login to the NSX Advanced Load Balancer CLI and follow the step mentioned below:

[admin-controller]: configure gslb default
[admin-controller]: gslb> site index 1
[admin-controller]: gslb> suspended_mode 

Post the upgrade of the follower site, the no suspended mode is enabled on the follower, and it syncs the information available on the leader site.

[admin-controller]: configure gslb gs1
[admin-controller]: gslb> site index 1
[admin-controller]: gslb> no suspended_mode 
Note:

Disable the DNS virtual services on the active follower site when enabling the suspended mode on a specific site. Once the planned activity is over, re-enable the DNS virtual services.