Panorama-kvm-10.0.4.qcow2 May 2026
sudo cp panorama-kvm-10.0.4.qcow2 /var/lib/libvirt/images/ Use the command line for precise control:
virsh snapshot-create-as panorama-10-0-4 pre-upgrade \ --disk-only --atomic --quiesce This creates a new qcow2 overlay file while preserving the original panorama-kvm-10.0.4.qcow2 as a read-only backing file. If the upgrade fails, you can revert in seconds. Need a test instance? Use qemu-img to create a linked clone: panorama-kvm-10.0.4.qcow2
<vcpu placement='static'>8</vcpu> <cputune> <vcpupin vcpu='0' cpuset='2'/> <vcpupin vcpu='1' cpuset='3'/> </cputune> For the log partition (separate disk if possible), set cache='none' and aio='native' to bypass host page cache, reducing latency. 4. Network Multiqueue Enable multiple network queues to distribute traffic across vCPUs: sudo cp panorama-kvm-10
virsh set-interface parameters panorama-10-0-4 vnet0 --multiqueue on One of the primary reasons to choose the KVM format over other hypervisors is the native support for Copy-on-Write (CoW) snapshots. Creating a Pre-Upgrade Snapshot Before upgrading from 10.0.4 to 10.1.x, create a snapshot: Use qemu-img to create a linked clone: <vcpu