December 10, 20241 yr I had to rebuild my lab recently, so I took the opportunity to upgrade all of my servers to Microsoft Server 2025 Datacenter. Each VM has 4 CPUs pinned to it, 32GB of RAM, and plenty of disk space. The latest drivers have been installed as well. However, they are basically useless the System Interrupts are consuming over 90% of the system resources. I have tried re-installing the drivers, but this has not fixed anything. Does anyone happen to have any thoughts on this, or better, a solution? v/r Jon
December 10, 20241 yr Solution Windows os requires a min of 4 cores. Windows server os would need more then 4. Like any hyperv, as windows server is that first... it wants access to bare-metal. I would recommend editing the VM and remove cpu pinning and let unraid load balance the multiple VM with all cores. you still need to set a # of V CPU and cores for the cpu mode and topology... Here is a linux example of the custom xml code to edit. Note CPU tune is deleted. VCPU is set so x virtual cpu to the server and cpu host mode with correct topology for # of threads is set. In proxmox I would have see iommu and other vm settings. Unraid Hyperv on kvm/qemu is getting some nice features and updates. I might even recommended in this case to virtualize unraid and use proxmox as your VM hyperV to help with Windows server VM stuff.. Edited December 10, 20241 yr by bmartino1
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