Q&A from the Windows Server 2016 Preview JumpStart – Part II – Clustering & Availability

Here we are in part two of the Q&A series, where I’m working through the multitude of questions that were asked during the recent ‘What’s new in Windows Server 2016 Preview’ JumpStart course, which, if you haven’t heard, is now available on-demand, so check it out! In this post, I’ll be walking through the questions focused around Failover Clustering and High Availability.  There was lots of interest in this topic, especially around the new Compute and Storage resiliency, along with enhancements to Shared VHDX.  On to the questions…

Failover Clustering

Will Windows Server 2016 Hyper-V support Fault Tolerance?

No, Fault Tolerance, a feature within certain editions of VMware vSphere, is not a feature within Windows Server 2016. Taking information from the VMware vSphere Availability Guide, whilst attractive on paper, protection of VMs is still limited to only 4 vCPU, and whilst this is enough for many workloads, Fault Tolerance cannot protect against application failures within the VM, cannot reduce downtime for patching-related outages within the guest operating system, and, the feature itself has resource requirements that can create additional overhead. Read that as ‘takes a performance hit’. You also lose flexibility, as the use of Memory Overcommit, and Hot-Add of disks is disabled.

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Windows Server 2016 Preview JumpStart Now Available On-Demand!

Back on August 18th and 19th, myself and Corey Hynes delivered a 2-day, live, Windows Server 2016 Preview Jumpstart. For the thousands of you that attended, thank you, it was a lot of fun, and I hope you learned a lot! There are certainly a lot of new features and capabilities coming in the next release of Windows Server! Some of them are incremental improvements, however there are many areas that are completely new to the Microsoft platform, such as Containers and Nano Server.

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