Difference between revisions of "Qemu-img create"
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(Redirected page to Qemu-img) Tag: New redirect |
(Removed redirect to Qemu-img) Tag: Removed redirect |
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| − | + | ** <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. | ||
Revision as of 12:25, 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.
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