Run startup / shutdown on every VM in PRoxmox HA group
I wanted to run a stop operation on all VMs in one of my HA groups in Proxmox and was frustrated to see there was no easy way to do so. I wrote a quick & dirty bash script that will let me start...
View Articleproxmox 6 NVIDIA GPU passthrough fix
I upgraded to ProxMox 6.0 and to my dismay my Windows VM suddenly began receiving the dreaded Code 43 error. After much digging I finally found this post on the ProxMox forums which outlines what needs...
View ArticleProxmox HA management script
I was a bit frustrated at the lack of certain functions of ProxMox. I wanted an easy way to tag a VM and manage that tag as a group. My solution was to create HA groups for VMs with various functions....
View ArticleFix proxmox iommu operation not permitted
In trying to passthrough some LSI SAS cards to a VM I kept receiving this error: kvm: -device vfio-pci,host=0000:03:00.0,id=hostpci0,bus=ich9-pcie-port-1,addr=0x0,rombar=0: vfio 0000:03:00.0: failed to...
View Articlemigrate between amd & intel in proxmox
I recently acquired an Intel based server and plugged it into my AMD-based Proxmox cluster. I ran into an issue transferring from AMD to Intel boxes (the other direction worked fine.) After a few...
View Articleproxmox bond not present fix
I really banged my head on the wall on this one. I recently decided to re-architect my networking setup in proxmox to utilize bonded network configuration. I followed this writeup exactly. The problem...
View Articleproxmox openvswitch bond
Recently I had to switch my Proxmox server which was using Linux bonds to using openvswitch. These are my notes: Install openvswitch: apt install openvswitch-switch Configure openvswitch to bond...
View ArticleThreadripper / Epyc processor core optimization
I had a pet project (folding@home) where I wanted to maximize computing power. I became frustrated with default CPU scheduling of my folding@home threads. Ideal performance would keep similar threads...
View ArticleFix no network after Proxmox 7 upgrade
I upgraded my proxmox server to version 7 and was dismayed to find it had no network connections after a reboot. After much digging I was finally able to find this post which mentioned: After...
View ArticleProxmox Ceph storage configuration
These are my notes for migrating my VM storage from NFS mount to Ceph hosted on Proxmox. I ran into a lot of bumps, but after getting proper server-grade SSDs, things have been humming smoothly long...
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