Hi,

I am working on Ubuntu 9.10 and QEMU emulator,

but i was trying to move files from host system to harddisk image created by qemu.

i used "mount" program to mount the disk image as a "loopback" device.
but i am facing following problem!!

i even tried it by renaming hdisk.qcow to hdisk.iso, but the error remains same!!! as far as i know, mounting a loopback device dosnt need a filesystem type!!!!! where i am getting wrong!!

Try converting the qcow image to a raw image then try to loop mount the raw image.

if covert the image to RAW image format then will i be able to boot the image in qemu. :?

you can use kpartx
its available in synpatic

http://www.forensicswiki.org/wiki/Mounting_Disk_Images

http://panoskrt.wordpress.com/2009/0...in-image-file/

Chances are your image is that of the entire drive including boot sector etc. You need to mount a partition within the drive image, not the drive itself.

While in the directory containing the image, run this command to find the offset (starting position) of the partition you want to access: sfdisk -l -uS hdisk.qcow
Most often if it's the first partition you want to access, it's offset is usually at 63.

Mount with this command for a partition at offset 63: mount -oloop,offset=32256 hdisk.qcow /mnt/disk/ (32256 = 63 x 512, and assuming /mnt/disk exists)

This should work if your image is bit for bit like a dd image, if your image is compressed and only containing allocated space, this probably won't work. You may want to convert to raw.

try libguestfs - that's exactly what it was made for