Difference between revisions of "Qemu-img create"
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− | + | qemu-img create -f [[qcow2]] MY_IMAGE_NAME.img | |
qemu-img: MY_IMAGE_NAME.img: Image creation needs a size parameter | qemu-img: MY_IMAGE_NAME.img: Image creation needs a size parameter | ||
Revision as of 12:28, 5 February 2020
qemu-img create -f qcow2 MY_IMAGE_NAME.img 10G
qemu-img create -f raw MY_IMAGE_NAME.img
qemu-img create -f qcow2 -o preallocation=metadata,compat=1.1,lazy_refcounts=on MY_IMAGE_NAME.img
lazy_refcounts=on
Reference count updates are postponed with the goal of avoiding metadata I/O and improving performance. Particularly interesting with cache=writethrough.
qemu-img create -f qcow2 MY_IMAGE_NAME.img qemu-img: MY_IMAGE_NAME.img: Image creation needs a size parameter
See also
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