KB4530496 - FIX: Data pool database may be deleted if you fail to drop database on master in SQL Server 2019

Applies to: SQL Server 2019 on LinuxSQL Server 2019 on Windows

Symptoms


Assume that you run DROP DATABASE on master node in SQL Server 2019, but the operation fails. If the "drop database" operation fails on Master due to failureon the Master node (for example, the database is in use by an existing session on theMaster instance), then the corresponding back-end databases on data pool nodes may be deleted. If the "drop database" operation fails on Master due to externalreasons (for example, the database cannot connect to the controller node), then thecorresponding back-end databases on data pool nodes may not be deleted.

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. 

Resolution


This issue is fixed in thefollowing cumulative update for SQL Server:
Aboutcumulative updates for SQL Server:
Each new cumulativeupdate for SQL Server contains all the hotfixes and all the security fixes thatwere included with the previous cumulative update. Check out the latestcumulative updates for SQL Server:

References


Learn about the terminology that Microsoft uses to describe software updates.