Quick tip: You find yourself with duplicate HA roles for a virtual machine and you’re unable delete the problematic resource… Symptoms: Duplicate cluster roles for a virtual machine. When attempting to delete, you get the error: Error code: 0x8007012f The file cannot be opened because it is in the process
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SMA Runbook to set VM custom property… (or run PS script)
A word… Having worked with many clients over the years, the commonality between many of them an under-utilization of automation. Even the biggest of Microsoft shops fall short when it comes to automation, regularly being confused about the options they have and often fear of introducing a new tool to
Read moreAll-Flash and Storage Spaces Direct…
An interesting solution brief of Hyper-Converged Infrastructure from DataOn got my cogs ticking on a topic that has bugged me for a while… All-Flash storage. Firstly, this DataON solution is a seriously slick contender… a 3M IOPS 4-node HCI in 8U. The tech geek in me would be quite pleased to
Read moreLight up your Hyper-V Datacenter in minutes with OMS
In a recent project, the management were keen to see some dashboards and insights into their organizations shiny new infrastructure. Whilst SCOM gives some great data and statistics, it’s not overly helpful in demonstrating the high level view to management out of the box. This is where Microsoft Operations Management
Read moreQuick tip – Disabling ISO Media Sharing in SCVMM
Hello there! I often get asked if it’s possible to disable VMM users from ‘sharing’ ISO’s from the library when attaching to a VM. You can do this via applying a pre-configured Capability Profile and the Cloud and Virtual Machines. Note: Capability Profiles can only be assigned to Clouds, not
Read moreManaging a Hyper-V Datacenter– Converged Networking and RDMA
Server 2016 brings great new feature called Switch Embedded Teaming (SET). A great overview of SET can be found in this TechNet article. But to summarize, SET basically allows a Virtual Network Adapter to access the features available by RDMA. I won’t go into too much detail on RDMA, there
Read moreManaging a Hyper-V Datacenter – Extra thoughts & tuning..
I will add to this post over time with anything I can recall that has helped in the tuning of the many environments I’ve worked on… Edited: 30/11 – Thoughts on Dynamic Optimization Before I continue, as usual I’ll try not to repeat what you can already find out there,
Read moreMythbusting: The truth about blades…
Hi all, this has been a long time coming but I wanted to share my thoughts and experiences on virtualization, Hyper-V and blades. Before we get started, I wanted to put this in context and give some reasoning as to the purpose of this post. Over the last 5 or
Read moreQuick tip: Add second NIC to ARM VM using PowerShell
This is one I use regularly, so thought it might come in handy for you.. Assumption here is you are connected via PowerShell to your intended subscription.. A few key points: The VM will need to be stopped to execute Check the Azure VM sizing to see how
Read moreS2D performance: 2-way mirror vs 3-way mirror
How many mirrors? Over the past few months we’ve deployed several Storage Spaces Direct solutions, and one question that seems to pop up is the expected performance difference for a 2-way mirror vs a 3-way mirror. The obvious answer is a 2-way will out-perform a 3-way, but by how much?
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