What Tasks Can You Perform in Quiesce Mode?
While Integration Server is in quiesce mode, you can:
Create, modify, and deploy packages.
Note:
If you select the Disable Alerts and Notifications option on the Settings > Quiesce page and the server is in quiesce mode, alerts are not emitted, and running alerts and notifier services might throw an exception.
Change server settings.
Change the state of ports, JMS connection aliases,
webMethods messaging connection aliases, packages, and scheduled user tasks.
Change clustering configuration such as modifying the
Terracotta Server Array URLs.
Update cache and cache manager settings.
Install fixes and perform other maintenance tasks.
Debug services.