On Thu, Oct 20, 2011 at 4:21 AM, Gonzalo Marcote Peña <gonzalomarcote@xxxxxxxxx> wrote: > Hi. > I have one guest that I created with virt-install comand option 'sparse=true'. > As i want to use now this guest for I/O tasks (DDBB) and i want to > improve performance, I want to convert the disk.img from sparse to no > sparse (obviusly without format it). > How can I do this task without loosinf the disk image data?. If you are using a raw image file: $ cp --sparse=never old-sparse.img new-allocated.img This copies the data into the new file and does not try to make zero regions sparse. You can then replace the old file with the new file. Stefan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
