troubles copying qcow2 VM images

[jurgen.depicker at let.be]

"Serge E. Hallyn" <serge.hallyn at ubuntu.com> wrote on 14/03/2011 22:54:55:

> From: "Serge E. Hallyn" <serge.hallyn at ubuntu.com>
> To: jurgen.depicker at let.be
> Cc: "Serge E. Hallyn" <serge.hallyn at ubuntu.com>, David Peall 
> <david at dnservices.co.za>, ubuntu-server at lists.ubuntu.com
> Date: 14/03/2011 22:55
> Subject: Re: troubles copying qcow2 VM images
> 
> Quoting jurgen.depicker at let.be (jurgen.depicker at let.be):
> > When trying to start the VM on VLET3, the VM hangs immediately at 
boot, 
> > with following messags in /var/log/messages:
> > Mar 14 21:21:30 VLET3 kernel: [255777.604342] type=1400 
> > audit(1300134090.205:39): apparmor="STATUS" operation="profile_load" 
> > name="libvirt-02f97acb-d586-4eb9-9f59-e1df7a3cd647" pid=29124 
> > comm="apparmor_parser"
> > Mar 14 21:21:30 VLET3 libvirtd: 21:21:30.803: warning : 
> > qemudParsePCIDeviceStrs:1422 : Unexpected exit status '1', qemu 
probably 
> 
> ...
> 
> > > Can you sha1sum {/mnt/nfs,/srv/VMs/}/VM1.qcow2?  My guess is this is 
an
> > > NFS bug with large file xfer corruption.
> > > 
> > > -serge
> > 
> > Great, I didn't think of that one before!  I thought that was it, but, 

> > unfortunately, I ran sha1sum on VLET1 and VLET3's copies, and both 
give 
> > the same checksum.
> > I really really don't understand this...  Is there some 'magic' 
associated 
> > with qcow2 images, so you need to copy them in a special way?  But 
since 
> > the sha1sums are identical...
> > The funny thing is, most of these images were VMWare images which I 
> > converted.  They were first stored on other systems, and I could copy 
the 
> > qcow2 images to VLET1 and they all worked fine.  But now it seems 
> > impossible to move them...
> 
> A-ha - Did you update the apparmor profile for that libvirt
> instance so that it can access the file in the new location?

Could you please provide some more info about this?  I found some info on 
https://apparmor.wiki.kernel.org/index.php/Libvirt but I'm completely 
inexperienced with apparmor...

Thanks a lot!!


> 
> -serge
> [attachment "signature.asc" deleted by Jurgen Depicker/Let] 
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