Re: [libvirt] problem attaching/detaching disk

At 03/04/2011 01:00 PM, Shi Jin Write: >> >> >> >> <disk type='file' device='disk'> >> <driver name='qemu' type='qcow2' cache='none'/> >> <source file='/var/lib/libvirt/images/rhel6rc_64.img'/> >> <target dev='hda' bus='ide'/> >> <alias name='ide0-0-0'/> >> <address type='drive' controller='0' bus='0' unit='0'/> >> </disk> >> <disk type='file' device='cdrom'> >> <driver name='qemu' type='raw'/> >> <source file='/var/lib/libvirt/images/test.iso'/> >> <target dev='hdc' bus='ide'/> >> <readonly/> >> <alias name='ide0-1-0'/> >> <address type='drive' controller='0' bus='1' unit='0'/> >> </disk> >> <disk type='file' device='disk'> >> <driver name='file' type='qcow2'/> >> <source file='/var/lib/libvirt/images/test3.img'/> >> <target dev='vdb' bus='virtio'/> >> <alias name='virtio-disk1'/> >> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >> function='0x0'/> >> </disk> >> <controller type='ide' index='0'> >> <alias name='ide0'/> >> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' >> function='0x1'/> >> </controller> >> >> >> Thank you very much. It is exactly the same output as mine, particularly > <driver name='file' type='qcow2'/> > I thought it has to be name='qemu' to detach properly but since you didn't > have a problem, I am very lost on why mine didn't work. > > My libvirtd.log shows (with debugging turned on) > 14:43:18.965: debug : qemuMonitorCommandWithHandler:235 : Receive command > reply ret=0 errno=0 33 bytes 'Device 'virtio-disk1' not found^M > ' > 14:43:18.965: debug : virEventDispatchTimeouts:405 : Dispatch 3 > 14:43:18.965: debug : virEventDispatchHandles:450 : Dispatch 8 > 14:43:18.965: error : qemuMonitorTextDelDevice:2314 : operation failed: > detaching virtio-disk1 device failed: Device 'virtio-disk1' not found^M > > Do you know what the "device not found" error means? It seems attaching virtio-disk1 failed. Can you provide the log when you attach virtio-disk1? Thanks. Wen Congyang > > Thanks. > > Shi >