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DEBUG (blkif:27) exception looking up device number for xvda: [Errno 二] No such file or directory: '

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DEBUG (blkif:27) exception looking up device number for xvda: [Errno 2] No such file or directory: '

     在 RHEL-5.8 安装 XEN 时报错如下:


ERROR    POST操作失败: xend_post:来自 xen 守护进程的错误:(xend.err 'Device 0 (vif) could not be connected. Hotplug scripts not working.')
域安装似乎没有成功。
如果是这样,您可以运行 'virsh start vm02' 
重启您的域,否则请重
新开始安装。
ERROR    POST操作失败: xend_post:来自 xen 守护进程的错误:(xend.err 'Device 0 (vif) could not be connected. Hotplug scripts not working.')
Traceback (most recent call last):
  File "/usr/sbin/virt-install", line 895, in ?
    main()
  File "/usr/sbin/virt-install", line 757, in main
    start_time, guest.start_install)
  File "/usr/sbin/virt-install", line 819, in do_install
    dom = install_func(conscb, progresscb, wait=(not wait))
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 541, in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 633, in _do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib/python2.4/site-packages/libvirt.py", line 1277, in createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self)
libvirtError: POST操作失败: xend_post:来自 xen 守护进程的错误:(xend.err 'Device 0 (vif) could not be connected. Hotplug scripts not working.')


     到 /var/log/xen/xend.log 查阅、发现:


     DEBUG (blkif:27) exception looking up device number for xvda: [Errno 2] No such file or directory: '/dev/xvda'


     解决方法如下:


     mknod /dev/xvda b 220 0

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