SQL AlwaysOn offers DMVs that make monitoring simple.
use master
go
select * from sys.dm_hadr_cluster_members
select * from sys.dm_hadr_cluster
select * from sys.dm_hadr_cluster_networks
go
SELECT SERVERPROPERTY (‘IsHadrEnabled’);
go
select * from sys.dm_hadr_availability_group_states
select * from sys.dm_hadr_cluster
select * from sys.dm_hadr_cluster_members
select * from sys.dm_hadr_cluster_networks
select * from sys.availability_groups
select * from sys.availability_groups_cluster
select * from sys.dm_hadr_availability_group_states
select * from sys.availability_replicas
select * from sys.dm_hadr_availability_replica_cluster_nodes
select * from sys.dm_hadr_availability_replica_cluster_states
select * from sys.dm_hadr_availability_replica_states
select * from sys.dm_hadr_auto_page_repair
select * from sys.dm_hadr_database_replica_states
select * from sys.dm_hadr_database_replica_cluster_states
select * from sys.availability_group_listener_ip_addresses
select * from sys.availability_group_listeners
select * from sys.dm_tcp_listener_states
SELECT * FROM sys.dm_xe_objects WHERE name LIKE ‘%hadr%’
