Am 19.03.2014 um 07:06 hat Atlas Khan geschrieben: > I am doing a task in which I have to enter some data which is in a directory > in > qcow/qcow2 file. The thing I want to ask is that how can I do this if I have > boot looder or guest system in a directory rather than in iso file. I try to > make a qcow image and mount it on my file system. > Process for mounting which i m following is > > $ modprobe nbd max_part=63 > $ qemu-nbd -c /dev/nbd0 image.img > $ mount /dev/nbd0p1 /mnt/image > > I have a qcow file of malta mips. If run these commands on malta mips qcow > file, It mount it. But if i try to mount a qcow file created by following > command > > qemu-img create -f qcow2 test.qcow2 10G > > it give following error > > mount: special device /dev/nbd0p1 does not exist > > can any one help me how can I write some data in qcow or mount my qcow file.
A new image is unpartitioned. You need to use something like fdisk on /dev/nbd0 first in order to create the partitions. After that, you may or may not need to restart qemu-nbd, not completely sure. Kevin
