To achieve the best results, you must focus on 1. Use VirtIO Drivers (The "Must-Have")
A standard qcow2 file is "thinly provisioned," meaning it grows as you add data. This causes "fragmentation" as the file expands. For the best performance: windows 7qcow2 best
: This creates the full structure of the disk upfront without actually filling the space with zeros. To achieve the best results, you must focus on 1
By combining with metadata pre-allocation , you transform a sluggish Windows 7 VM into a highly responsive environment suitable for production or retro-gaming. To achieve the best results
: Right-click the C: drive > Properties > Uncheck "Allow files on this drive to have contents indexed."
: Use this for the disk controller. It provides much lower CPU overhead than IDE.