KVM/qemu-img

allows you to create, convert and modify images offline, It can handle all image formats supported by QEMU.




 * Reference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough.
 * Reference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough.
 * Reference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough.
 * Reference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough.


 * Create a snapshot:




 * (KVM/Extend LVM on qcow2 images)


 * (See also:  for LVM snapshots)

Activities

 * KVM/Extend LVM on qcow2 images