Failover Clustered Instances

Training Week: Announcing Edwin’s New Class on Failover Clustered Instances

Clustering, Company News
2 Comments
This week, we’ve got a bunch of announcements about new training classes. Next up, Edwin Sarmiento: his 3-day Always On Availability Group class has been getting great reviews: “This class is fantastic. There is no filler, and no needless repetition, so be prepared to pay attention the entire duration. Edwin clearly is very passionate about…
Read More

Updated High Availability and Disaster Recovery Planning Worksheet

One of the most popular things in our First Responder Kit is our HA/DR planning worksheet. Here’s page one: Page 1 – how our servers are doing now, versus what the business wants In the past, we had three columns on this worksheet – HA, DR, and Oops Deletes. In this new version, we changed “Oops”…
Read More

VMware HA is Not Database Server High Availability

I served with High Availability. I knew High Availability. High Availability was a friend of mine.  VMware HA, you’re no High Availability. See, for us database administrators, high availability means protection when: The system drive fills up because some potato decided to download a bunch of files An operating system or database server update goes…
Read More

Why Your SQL Server’s Network Connection Matters

If you’re using SQL Server 2012’s hot new AlwaysOn Availability Groups feature, your databases will go offline when your network connection does – even if you’re using asynchronous replication. This is not a bug.  This is working as designed – and it’s important to understand the underlying concepts. Nothing to see here, I'm just going…
Read More

An Introduction to SQL Server Clusters

Clustering
335 Comments
The options for high availability can get confusing. I was lucky enough to begin working with SQL Server clusters early in my career, but many people have a hard time finding simple information on what a cluster does and the most common gotchas when planning a cluster. Today, I’ll tell you what clusters are, what they’re…
Read More
Menu