Failover cluster

Windows failover cluster 2016 : new site awareness feature

After my first two blogs about cloud witness and domain-less dependencies features shipped with Windows Server 2016, it’s time to talk about another pretty cool feature of the WSFC : site awareness that will also benefit to our(…)

SQL Server 2016 : availability groups with no domain dependencies

Are you aware about the new features of the next Windows version? Currently we’re in TP3 and during my investigation, I was very happy to see the new features for Windows clustering (cf. this blog post from Microsoft). By(…)

SQL Server 2014: FCIs, availability groups, and TCP port conflict issues

After giving my session about SQL Server AlwaysOn and availability groups at the last French event “Les journées SQL Server 2014”, I had several questions concerning the port conflict issues, particularly the differences that exist(…)

WSFC : Manual or automatic failover? That is the question!

During the night, you receive an alert concerning your SQL Server failover cluster or your availability groups and you’re in panic mode because the message displayed is : a failover has occured .. see the log for more details(…)

SQL Server failover cluster, VSphere, & SCSI-3 reservation nightmares

When I have to install a virtualized SQL Server FCI at a customer place as an SQL Server consultant, the virtualized environment usally is ready. I guess this is the same for most part of the database consulting people.