Windows 10qcow2 [2021]

Windows 10 writes logs, caches, and defragments aggressively. Disable automatic defragmentation in Windows (defragmentation breaks QCOW2’s copy-on-write efficiency). Use fsutil behavior set DisableDeleteNotify 1 for SSD-like trimming.

This flexibility allows you to migrate workloads from proprietary platforms to open-source stacks like Proxmox VE . windows 10qcow2

During Windows setup, if the disk is not detected, you need VirtIO drivers. Load them by adding a second CD-ROM with the latest VirtIO ISO (from Fedora’s repo). Windows 10 writes logs, caches, and defragments aggressively

Enable the discard mount option to allow the guest OS to tell the QCOW2 file to shrink when files are deleted inside Windows. Converting ISO or VMDK to QCOW2 Windows 10 writes logs