Difference between revisions of "Qemu-img create"
Jump to navigation
Jump to search
| Line 1: | Line 1: | ||
| − | + | * <code>qemu-img create -f [[qcow2]] MY_IMAGE_NAME.img</code> | |
| − | + | * <code>qemu-img create -f raw MY_IMAGE_NAME.img</code> | |
| − | + | * <code>qemu-img create -f qcow2 -o preallocation=metadata,compat=1.1,lazy_refcounts=on MY_IMAGE_NAME.img</code> | |
:::<code>lazy_refcounts=on</code> Reference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough. | :::<code>lazy_refcounts=on</code> Reference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough. | ||
Revision as of 12:26, 5 February 2020
qemu-img create -f qcow2 MY_IMAGE_NAME.imgqemu-img create -f raw MY_IMAGE_NAME.imgqemu-img create -f qcow2 -o preallocation=metadata,compat=1.1,lazy_refcounts=on MY_IMAGE_NAME.img
lazy_refcounts=onReference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough.
See also
Advertising:
