Sysadmin/Migrate virtual machine: Difference between revisions
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# virt-install -v --accelerate --nographics --vcpus 2 --name lightwave --ram 1024 --os-type linux --os-variant=ubuntu20.04 --network bridge:br0 --disk vol=boot/lightwave-boot.img,bus=virtio --disk vol=nvme-pool/lightwave-root,bus=virtio --import | # virt-install -v --accelerate --nographics --vcpus 2 --name lightwave --ram 1024 --os-type linux --os-variant=ubuntu20.04 --network bridge:br0 --disk vol=boot/lightwave-boot.img,bus=virtio --disk vol=nvme-pool/lightwave-root,bus=virtio --import | ||
The VM will boot and probably fail to mount the root because the UUID changed. | |||
You can fix this by dropping into grub the usual way: | |||
* press ESC before the kernel starts | |||
* press e to edit a menu entry | |||
* modify the kernel command line (for example, root=/dev/vdb) | |||
* hit ctrl-x to boot | |||
=== How to migrate a file-based guest to LVM (online method) === | === How to migrate a file-based guest to LVM (online method) === | ||