Consider the following scenario:
You use AlwaysOn Availability Groups (AG) in SQL Server 2017.
You have CLUSTER_TYPE = EXTERNAL AG or Failover Cluster Instances (FCI) cluster on Pacemaker.
The Pacemaker process operation times out.
In this scenario, the Pacemaker may kill the resource agent processes.
Note This issue happens mostly with AGs that contains large databases or many databases.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.