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Re: [Qemu-devel] Qcow file does not mount
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] Qcow file does not mount |
Date: |
Wed, 19 Mar 2014 10:08:08 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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