Re: [libvirt-users] Hotplug of disk devices in LXC failed with libvirt of version 1.0.2

于 2013/7/15 17:32, Gao feng 写道: > On 07/15/2013 05:18 PM, hzguanqiang wrote: >> Hi, Gao Feng >> >> I've tried what you said, but still exists the problem: >> >> ubuntu@lxc:~$ vir attach-disk instance-0000002c /dev/dm-0 sdb >> error: Failed to attach disk >> error: Unable to create device /proc/10366/root/dev/sdb: Permission denied >> >> I think finding what it means by saying 'Unable to create device /proc/10366/root/dev/sdb: Permission denied' is the key. >> But anyway, thanks for your help! >> > Do you have <idmap> configured for your lxc domain? > I just posted a patchset to fix the problem that failed to create device when user namespace enabled. > > BTW, does it work well if you directly write the configuration to the xml of lxc domain? > > Thanks Hi, Gao feng, I tried to write the configuration in the xml as you said, and it works. And I didn't set <idmap> configure for my lxc domain. The xml content of my lxc domain is just as following:

I still don't understand why I can't hotplug attach disk device for the lxc domain. Expect more detailed answer, Thanks!