Technical articles from Microsoft’s clustering, high availability and network load balancing blogs
I’ve had a Dropbox account for years. Like a lot of people, I started using it when it was one of the easiest ways to sync files across machines and keep important stuff backed up. Over time, that Dropbox account became a bit of a digital attic. Old recordings, videos from various bands over the […]
Finally Cleaning Up Dropbox: Moving Almost a TB to Google Drive with rclone Continue Reading
The S2D Campus Cluster is a new configuration that is supported on Windows Server 2025 with the 2025-12 Security Update (KB5072033) (26100.7462) – increasing high availability for Hyper-V VMs, SQL Server FCI, File Servers, SAP, and other applications installed on bare metal between two rooms or buildings in the same campus. With this configuration, you
Announcing Support for S2D Campus Cluster on Windows Server 2025 Continue Reading
Storage Spaces Direct (S2D) and SAN storage can now operate side-by-side in the same single rack failover cluster – so you can take advantage of S2D speed for some volumes, and SAN features for OTHER volumes. This allows you to run Hyper-V VMs or SQL Server Failover Cluster Instance (FCI) scenarios on fast S2D storage
Announcing Support for S2D and SAN Coexistence Continue Reading
I was the principal author of this SIOS whitepaper, which describes how to build a 2-node SQL Server cluster in Google Cloud Platform (GCP) spanning multiple zones. Today, I’ll explain how to extend this cluster by adding a third node in a different GCP region. Assuming you’ve completed all the steps in the referenced documentation,
Building a SQL Server Failover Cluster in Google Cloud Platform (GCP) is a powerful way to ensure your databases remain highly available, even in the face of unexpected failures. High Availability (HA) is crucial for any business-critical application. Downtime can mean lost revenue, decreased productivity, and even damage to your company’s reputation. However, creating HA
Building a Cost-Effective SQL Server Failover Cluster in Google Cloud Platform Continue Reading
A recent Microsoft outage caused by a bad patch pushed out to Windows instances managed by CrowdStrike has thrown a spotlight on the critical importance of effective patch management. This incident impacted numerous businesses, including airlines, banks, 911 services, and many others. It serves as a stark reminder of why meticulous planning and execution of
The Importance of Patch Management to Avoid Downtime Continue Reading
Introduction Azure Kubernetes Service (AKS) is the managed kubernetes service in Azure. It has two main components: worker nodes and control plane. The worker nodes are the VMs where customer applications will be deployed into. The control plane is the component that manages the applications and the worker nodes. A Kubernetes operator like a user,
Public and private AKS clusters demystified Continue Reading
Applies to: Windows Server 2022, Azure Stack HCI, version 21H2 and later versions of both Overview: There is a new enhancement in the ability to manage the number of parallel live migrations within a cluster, making it easier to change and ensuring consistency. Previously, changing it required setting it on each node of the cluster,
This article describes the steps you take to prepare the VMware infrastructure for installing and configuring a high-availability SAP ASCS/SCS instance on a Windows failover cluster by using SIOS DataKeeper as the replicated cluster storage. Create the ASCS VMs For SAP ASCS / SCS cluster, deploy two VMs on different ESXi Servers. Based on your
How to cluster SAP ASCS/SCS with SIOS DataKeeper on VMware ESXi Servers Continue Reading
Well, it’s long overdue that I left the comfort of my Windows GUI and ventured into the world of Linux. Mind you I have dabbled a very little bit over the years, watched some training videos about 18 years ago, and even installed Ubuntu on an old laptop at that time. I never ventured far
How To Linux: A Windows Administrator’s Guide to Linux for the Newbie Continue Reading
