Hi all, I find I am unable to attach volume to VM while VM is running.The error message is show below:
Failed to attach volume: volume-1 to VM: standard-ubuntu; org.libvirt.LibvirtException: internal error unable to execute QEMU command 'device_add': Duplicate ID 'virtio-disk1' for device The VM xml result returned by libvirt is show below: root@openstack-server-1:/usr/bin# virsh dumpxml i-2-3-VM <domain type='kvm' id='11'> <name>i-2-3-VM</name> <uuid>3bec686e-ccfb-4cfd-ab0f-c709b8802f04</uuid> <description>Ubuntu 12.04 (64-bit)</description> <memory>524288</memory> <currentMemory>524288</currentMemory> <vcpu>1</vcpu> <cputune> <shares>500</shares> </cputune> <os> <type arch='x86_64' machine='pc-1.0'>hvm</type> <boot dev='cdrom'/> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <pae/> </features> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='none'/> <source file='/mnt/d15f1dda-469f-31b1-a760-a3f477b6903e/ebe08b1d-91d2-4d38-b034-f65041b415a2'/> <target dev='vda' bus='virtio'/> <alias name='virtio-disk0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> <disk type='file' device='cdrom'> <driver name='qemu' type='raw' cache='none'/> <target dev='hdc' bus='ide'/> <readonly/> <alias name='ide0-1-0'/> <address type='drive' controller='0' bus='1' unit='0'/> </disk> <controller type='ide' index='0'> <alias name='ide0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='06:23:76:00:00:0d'/> <source bridge='cloudbr0'/> <target dev='vnet9'/> <model type='virtio'/> <bandwidth> <inbound average='25600' peak='25600'/> <outbound average='25600' peak='25600'/> </bandwidth> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <source path='/dev/pts/6'/> <target port='0'/> <alias name='serial0'/> </serial> <console type='pty' tty='/dev/pts/6'> <source path='/dev/pts/6'/> <target type='serial' port='0'/> <alias name='serial0'/> </console> <input type='tablet' bus='usb'> <alias name='input0'/> </input> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='5903' autoport='yes'/> <video> <model type='cirrus' vram='9216' heads='1'/> <alias name='video0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <memballoon model='virtio'> <alias name='balloon0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </memballoon> </devices> </domain> I can only find virtio-disk0,there is no device called "virtio-disk1".So,why cloudstack libvirt tell me "Duplicate ID 'virtio-disk1' for device"?Is there anyone could answer this question?Thank you in advance. ---- Best regards, DuJun