WSFC

SQL Server availability groups, SQL Browser and Shared Memory considerations

Few weeks ago, my colleagues and me discussed availability groups and network considerations for one of our customers including disabling SQL Browser service and shared memory protocol. The point was disabling both features may lead to unexpected behaviors when creating(…)

Windows Failover Cluster : Introduction to paxos tag

A couple of days ago, I was in charge to install a new SQL Server AlwaysOn and availability group with one of my colleague Nathan Courtine. During the installation, we talked about testing a disaster recovery(…)

SQL Server AlwaysOn: when a listener becomes the cluster and vice versa

Let’s talk about a funny story that concerns an interesting issue that I faced a couple of months ago at one of my customers. Initially, the problem concerned only the creation of an availability group listener but after deleting the(…)