On 2019-04-14 12:19, Victor Sudakov wrote: > Dear Colleagues, > > Is there any difference in guest performance between zvol, sparse-zvol and > file backends? >
File backed VM images will have more overhead since you use the VFS layer and the filesystem, rather than just raw block storage. There isn't really any difference between a zvol and a thin-provisioned zvol, unless you run out of space (if you over-provision). -- Allan Jude
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