Agree. I did a little research. For those who hit this issue, it works after I modified /etc/apparmor.d/abstractions/libvirt-qemu to include the backing store directory. On 8/6/14 11:18 AM, "Eric Blake" <eblake@xxxxxxxxxx> wrote: >On 08/06/2014 10:02 AM, Jianfeng Tang wrote: >> Thank you Eric. Yes, it looks like AppArmor caused the problem. I will >> google on how to disable it. > >That feels wrong. "My security process is preventing me from doing >something wrong because I didn't configure it to match my usage >patterns, so I'm going to disable security". Rather, you should google >for how to add additional storage pools to what AppArmor will allow, so >that you can continue to have a secure setup. (I feel the same way >about people that complain that SELinux prevented them from doing >something, so they disable SELinux instead of fixing their process to >use SELinux correctly) > >-- >Eric Blake eblake redhat com +1-919-301-3266 >Libvirt virtualization library http://libvirt.org > _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users