Allow for escalation chain stages to start another chain.

It's likely this can be accomplished today given the current logic. Obviously, it depends on your needs, but this is very close to an example we give all the time. If you order your rules such that the rule catching the database alerts is first, then the server rule is next, that will properly sort the alerts. If you want the server team also notified about the db issues, they would need to be added to the db escalation chain.

Perhaps we can help figure out what your rules need to look like if we know more about your needs.