Le jeu. 25 avr. 2024 à 11:30, Peter Maydell <peter.mayd...@linaro.org> a écrit :
> On Thu, 25 Apr 2024 at 09:55, lacsaP Patatetom <patate...@gmail.com> > wrote: > > > > hi, > > > > when using `qemu-img create`, why do I have to specify the format of the > base image ? > > can't `qemu-img` detect it itself ? > > Image format detection isn't 100% reliable. Notably, a 'raw' > format image could in theory look like any of the other > image types if it happens to start with the right kind of data. > > thanks > -- PMM > OK for the raw format, which can be anything, but not for the qcow2 format, which is standardized (header). in the absence of details, `qemu-img` could use the qcow2 format by default ? qemu-img create [-b base [-F (qcow2*|raw)]] [-f (qcow2*|raw)] image [size]
