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From Wei ZHOU <ustcweiz...@gmail.com>
Subject Re: 为虚拟机绑定磁盘是失败,失败原因“Duplicate ID 'virtio-disk1' for device”
Date Mon, 25 Nov 2013 08:52:40 GMT
这个应该就是我说的linux 3.*的udev问题。


在 2013年11月25日上午9:48,Du Jun <dj199008@gmail.com>写道:

> Hi ZHOU,
>
> 如果我先stop虚拟机,再挂载volume,然后再启动虚拟机,那么一切都ok的。就是不能在虚拟机运行的时候挂载。或者我虚拟机第一次启动的时候,我挂载上去,那也是ok的,但是我卸载掉volume然后再挂载,那就会报错“Duplicate
> ID 'virtio-disk1”。
> 我通过libvirt来查看VM 的XML信息如下:
> 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>
> 里面只有virtio-disk0没有virtio-disk1啊!
>
> 谢谢
> DuJun
>
>
>
> 在 2013年11月25日下午4:41,Wei ZHOU <ustcweizhou@gmail.com>写道:
>
> > 之前有过挂载、卸载的操作吗?
> > virsh dumpxml出来的文件里面有virtio-disk1吗?
> >
> > 有条件试试虚拟机OS是centos6或者rhel6的情况。
> > 我记得linux kernel 3.*带的udev里面有个bug
> >
> >
> > 在 2013年11月24日下午1:38,Du Jun <dj199008@gmail.com>写道:
> >
> > > Hi ZHOU,
> > > 目前我的虚拟机还没有挂额外数据盘,物理机qemu版本1.0,libvirt版本0.9.8,虚拟机OS时ubuntu
12.04.
> > >
> > > Does these matters?
> > >
> > > ----
> > > Best regards,
> > > DuJun
> > >
> > > 2013/11/24, Wei ZHOU <ustcweizhou@gmail.com>:
> > > > 你挂了几个盘?你的物理机的QEMU和LIBVIRT是什么版本,虚拟机用的什么OS
> > > >
> > > > 2013/11/23, Du Jun <dj199008@gmail.com>:
> > > >> Hi all,
> > > >> 我在为虚拟机绑定磁盘的时候碰到了一个问题,log信息如下:
> > > >>  2013-11-23 18:04:03,155 DEBUG [cloud.async.AsyncJobManagerImpl]
> > > >> (Job-Executor-57:job-81 = [ 260b8d64-570d-4469-92c6-f27d887955b0 ])
> > > >> Complete async job-81 = [ 260b8d64-570d-4469-92c6-f27d887955b0 ],
> > > >> jobStatus: 2, resultCode: 530, result: Error Code: 530 Error text:
> > > >> Failed to attach volume: volume-a4903396-ca1b-48a9-838d-e82dbd190932
> > > >> to VM: basic-inception-vm; org.libvirt.LibvirtException: internal
> > > >> error unable to execute QEMU command 'device_add': Duplicate ID
> > > >> 'virtio-disk1' for device
> > > >> 提示信息说:“Duplicate ID 'virtio-disk1' for
> > > >> device”,我就迷惑了,数据磁盘在我的主存储里面是独一无二的呀,求解释,求说明!谢谢!
> > > >>
> > > >> ----
> > > >> Best regards,
> > > >> DuJun
> > > >>
> > > >
> > >
> >
>

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