Raw image and qcw2 image convert each other, raw image qcw2

Raw image and qcw2 image convert each other, raw image qcw2

Qcow2 is the minimum usage, while raw is set to zero.

Raw is a raw image, which is directly used as a block device for virtual machines. As for the holes in the files, it is managed by the file system of the host machine, the file system in linux can well support the empty feature,

Therefore, if you create a GB raw file, you can see that the file is GB when ls is used, but the file will be very small If du is used.

Convert qcw2 image to raw image file

# Yum install qemu-img

# Qemu-img convert-f qcow2 win7.qcow2-O raw win7.raw

Convert raw image to qcw2 Image File

# Qemu-img convert-f qcow2 win7.raw-O raw win7.qcow2