Author Archives: Romain Serre

Romain Serre works in Lyon as a Senior Consultant. He is focused on Microsoft Technology, especially on Hyper-V, System Center, Storage, networking and Cloud OS technology as Microsoft Azure or Azure Stack. He is a MVP and he is certified Microsoft Certified Solution Expert (MCSE Server Infrastructure & Private Cloud), on Hyper-V and on Microsoft Azure (Implementing a Microsoft Azure Solution).

Don’t do it: enable performance history in an Azure Stack HCI mixed mode cluster

Lately I worked for a customer to add two nodes in an existing 2-nodes Storage Spaces Direct cluster. The existing nodes are running on Windows Server 2016 while the new ones are running on Windows Server 2019. So, when I integrated the new nodes to the cluster, it was in mixed operating system mode because two different versions of Windows ...

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Keep Dell Azure Stack HCI hardware up to date with WSSD Catalog

The firmware and driver’s management can be a pain during the lifecycle of an Azure Stack HCI. Some firmware are not supported, others must be installed to solve an issue. In the case of Dell hardware, a support matrix is available here. If you look at that matrix, you’ll see firmware and drivers for storage devices, Host Bus Adapter, switches, ...

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Archive Rubrik backup in Microsoft Azure

The last time I talked about Rubrik, I presented the first steps to protect vSphere VM and store backup within the appliance. Today, I would like to present how to archive Rubrik backup in Microsoft Azure. Rubrik provides a turnkey interface. It’s the same thing for archival. All you need is a blob storage account in Microsoft Azure. Then you ...

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Getting started with Azure Update Management to handle Windows updates

For most of the companies, the patch management is a challenge. All customers don’t have SCCM. And WSUS is aging and is not agile (you have to create several GPOs to handle different patch windows). This is why Azure Update Management is welcome to replace this tool. If you do only Azure Update Management in your automation account, the solution ...

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Create a Hub-and-Spoke topology with Azure Virtual Network Peering

Currently I’m working on AZ-102 certification and I wanted to share with you a small lab I created to try Azure virtual network and especially remote gateway. To create a Hub-and-Spoke topology, you need that each spoke virtual network communicates through the hub virtual network. To implement this kind of solution, you need several virtual networks and peering. I would ...

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S2D Real case: detect a lack of cache

Last week I worked for a customer who went through a performance issue on a S2D cluster. The customer’s infrastructure is composed of one compute cluster (Hyper-V) and one 4-node S2D cluster. First, I checked if it was related to the network and then if it’s a hardware failure that produces this performance drop. Then I ran the script watch-cluster.ps1 ...

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Getting started with Azure File Sync

Azure File Sync is a Microsoft feature released in July 2018. It enables to synchronize multiple On-Premise file servers with Azure. In other words, we can replace DFS-R for branch office. Azure File Sync brings also a tiering feature that enables to cache in On-Prem servers the most used files (based on the access data) and to keep in Azure ...

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