Configure multiple-subnet AlwaysOn Availability Group by modifying CIB


In the Windows world, a Windows Server Failover Cluster (WSFC) natively supports multiple subnets and handles multiple IP addresses via an OR dependency on the IP address. On Linux, there is no OR dependency, but there is a way to achieve a proper multi-subnet natively with Pacemaker, as shown by the following. You cannot do this by simply using the normal Pacemaker command line to modify a resource. You need to modify the cluster information base (CIB). The CIB is an XML file with the Pacemaker configuration.

 

That’s the comment from https://docs.microsoft.com/en-us/sql/linux/sql-server-linux-configure-multiple-subnet?view=sql-server-ver15

However, the steps of modifying CIB is not correct.  MS