Reviewing the Windows Event Logs to Find Hints That Can Cause Availability Issues

Troubleshooting Availability of SQL Server Workloads Running on Windows Server Failover Cluster - Part 3

SQL Server Failover Clustered Instances (FCI) and Availability Groups (AG) depend a lot on Windows Server Failover Clustering (WSFC). Understanding how the underlying WSFC platform works can help us maintain availability of our databases In the first blog post in this series, I talked about how to use the Cluster Dependency Report to identify the potential […]

Reviewing the SQL Server Error Logs to Find the Two Most Common Keywords That Can Cause Availability Issues

Troubleshooting Availability of SQL Server Workloads Running on Windows Server Failover Cluster - Part 2

SQL Server Failover Clustered Instances (FCI) and Availability Groups (AG) depend a lot on Windows Server Failover Clustering (WSFC). Understanding how the underlying WSFC platform works can help us maintain availability of our databases   As I was driving out of my driveway, I noticed something that is considered to be every car owner’s worst nightmare: the […]

Beyond Technical Reasons: Running a Single Instance or a Multi-Instance SQL Server Failover Cluster

When asked about best practices on running multiple SQL Server failover clustered instances (FCI) on a multi-node Windows Server Failover Cluster (WSFC,) a common response from SQL Server experts might include the following: appropriately allocating enough hardware resources on all of the nodes in the WSFC appropriately configuring maximum server memory settings per SQL Server FCI […]

The Traffic Light In Your Datacenter

How This One Simple Yet Very Important Concept Helped Me Understand What Windows Server Failover Clustering Is All About

You know how it feels like to stare at this for a very long time (I ended up having to wear eyeglasses because of it.) Better yet, try it. Just for 5 minutes straight without blinking. But staring at a computer monitor for a long time isn’t the real issue. It’s the confusion of trying to […]

An Underrated Feature: Cluster Shared Volumes (CSVs) with SQL Server Failover Clustered Instances

In a previous blog post, I talked about the benefits of using cluster shared volumes (CSVs) for your SQL Server 2014 and higher failover clustered instances (FCIs). It’s also interesting how SQL Server Microsoft Certified Master and Microsoft MVP Argenis Fernandez (blog | Twitter) responded to a Twitter post I shared about the blog post […]