Having a seamless experience with a host OS running a KVM-guest that gets full access to a GPU by PCI passthrough does come with some hurdles. These are some takeaways from setting it all up. VFIO is a modern way of passing through PCI-devices from the host to a virtual machine. IOMMU must be enabled … Read More →
Category Archives: Linux
Converting VM from ESXi to KVM with iSCSI storage
The ESXi-host is using an iSCSI-target as storage provider. The KVM-host has local storage but is also connected to the iSCSI-network. This is how I went about migrating a couple of virtual machines running different operating systems between the two hypervisors. Mount the iSCSI-target on the KVM-host The KVM-host need to be set up as … Read More →
Deploying oVirt in self-hosted mode
Deploying the virtualisation platform oVirt can be quite cumbersome. These are my installation notes on how to set it up in self-hosted mode where the engine-server runs as a guest in a VM instead of running on the host itself – much like the vCenter server of VMWare. Pre-install tasks As my network-setup consists of … Read More →
Fixing a broken grub2
For some reason every upgrade of Ubuntu destroys the working grub installation. This is how to fix it again. First boot through rescue CD. Then to find out which partition your linux root system lies on do the following fdisk -l Mount it assuming /dev/sda3 is your root system mount /dev/sda3 /mnt Then set up … Read More →
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