On Wed 15 Aug 2018 05:47:57 PM CEST, Jakob Bohm wrote: > And don't forget the high-speed solution: Create the qcow2 file with > all clusters preallocated in contiguous file clusters in a > non-fragmented file on the underlying physical disk(s). > > I believe there are qemu-img options to create such qcow2 files
Indeed: qemu-img create -f qcow2 -o preallocation=falloc ... qemu-img create -f qcow2 -o preallocation=full ... Berto
