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New Cluster-Wide Control For Virtual Machine Live Migrations In Windows Server and Azure Stack HCI

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 ... continue reading
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How to cluster SAP ASCS/SCS with SIOS DataKeeper on VMware ESXi Servers

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 ... continue reading
How to use Azure Site Recovery (ASR) to replicate a Windows Server Failover Cluster (WSFC) that uses SIOS DataKeeper for cluster storage

How to use Azure Site Recovery (ASR) to replicate a Windows Server Failover Cluster (WSFC) that uses SIOS DataKeeper for cluster storage

Intro So you have built a SQL Server Failover Cluster Instance (FCI), or maybe an SAP ASCS/ERS cluster in Azure. Each node of the cluster resides in a different Availability Zone (AZ), or maybe you have strict latency requirements and ... continue reading
How To Linux: A Windows Administrator’s Guide to Linux for the Newbie

How To Linux: A Windows Administrator’s Guide to Linux for the Newbie

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, ... continue reading

Performance of Azure Shared Disk with Zone Redundant Storage (ZRS)

On September 9th, 2021, Microsoft announced the general availability of Zone-Redundant Storage (ZRS) for Azure Disk Storage, including Azure Shared Disk. What makes this interesting is that you can now build shared storage based failover cluster instances that span Availability ... continue reading
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New Features of Windows Server 2022 Failover Clustering

Greetings again Windows Server and Failover Cluster fans!!  John Marlin here and I own the Failover Clustering feature within the Microsoft product team.  In this blog, I will be giving an overview of the new features in Windows Server 2022 ... continue reading
AWS BYOC – Bring your own SQL Server cluster with AWS EC2 and SIOS

AWS BYOC – Bring your own SQL Server cluster with AWS EC2 and SIOS

Nice blog post from SQL Server expert Steve Rezhener. DataSteve  Introduction They are multiple options to implement HADR solution for SQL Server in AWS public cloud. The easiest way to do that is to use AWS Database as a Service ... continue reading

Clustering SAP #ASCS and #ERS on #AWS using Windows Server Failover Clustering

When ensuring high availability for SAP ASCS and ERS running on WIndows Server, the primary cluster solution you will want to use is Windows Server Failover Clustering. However, when doing this in AWS you will quickly discover that there are ... continue reading
How to Switch a Failover Cluster to a New Domain

How to Switch a Failover Cluster to a New Domain

First published on MSDN on Jan 09, 2018   For the last two decades, changing the domain membership of a Failover Cluster has always required that the cluster be destroyed and re-created. This is a time-consuming process, and we have ... continue reading
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Failover Clustering in Azure

Azure is a cloud computing platform with an ever-expanding set of services to help you build solutions to meet your business goals. Azure services range from simple web services for hosting your business presence in the cloud to running fully ... continue reading