Re: [Qemu-devel] diskimage HOWTO

[Bai Shuwei <baishuwei@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 1496 bytes --]

Hi, Kevin:
   I am not familiar the kpartx too. this is the result, I think I should
rebuild my kernel to support device-mapper :(

weslab:/home/baishw/crosscompile/qemu/xtratum# kpartx -l rootfs
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
Failure to communicate with kernel device-mapper driver.
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
Failure to communicate with kernel device-mapper driver.
Incompatible libdevmapper 1.02.27 (2008-06-25)(compat) and kernel driver
loop1p1 : 0 128457 /dev/loop1 63




On 8/25/09, Mulyadi Santosa <mulyadi.santosa@gmail.com> wrote:
>
> On Tue, Aug 25, 2009 at 2:37 PM, Kevin Wolf<kwolf@redhat.com> wrote:
>
> > You would use "kpartx -a test.img" which creates devices like
> > /dev/mapper/loop0p1 for each partition. You can work with it like you
> > would do with losetup and afterwards remove it with "kpartx -d test.img".
> >
> > But actually Laurent's solution doesn't look too bad either. Didn't know
> > about it until now.
> >
> > Kevin
> >
>
> Thanks for the kind example, Kevin. Couple nice lessons I got today :)
> Not bad to me too as well
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer
> blog: the-hydra.blogspot.com
>



-- 
Love other people, as same as love yourself!
Don't think all the time, do it by your hands!

Personal URL: http://dslab.lzu.edu.cn:8080/members/baishw/
E-Mail: baishuwei@gmail.com or baishuwei@dslab.lzu.edu.cn

[-- Attachment #2: Type: text/html, Size: 2240 bytes --]