by David | Feb 1, 2018 | SQL Server, Storage, Virtualization
I recently had a great question on some of the differences in virtual machine disk presentation from one of our amazing clients, and I thought I’d share the answer here because it’s a common question that I receive. Some hypervisors (including some...
by David | Nov 29, 2016 | Best Practices, SQL Server, Technology, Virtualization
VMware’s latest release of the vSphere virtualization suite, version 6.5, changes how they handle vNUMA presentation to a virtual machine, and there’s a high likelihood that it will break your virtualized SQL Server vNUMA configuration and lead to...
by David | Apr 8, 2016 | Best Practices, Performance, SQL Server, Technology, Virtualization
A number of you sent me some excellent questions about this topic, and my favorite asked me for the query that you can use to get this information DIRECTLY from the VMware vCenter database. SO… here you go! Just plug in your VM name (which might differ from your...
by David | Mar 3, 2016 | Best Practices, SQL Server, Technology, Virtualization
Not too many people know about the intricacies of virtualization CPU scheduling and its impact on the performance of the VMs, so application owners out there – listen up! I’ve written about Ready Time (VMware ESXi) / Wait Time Per Dispatch (Microsoft...