[libvirt] need help in vm migration

Eric Blake eblake at redhat.com
Fri Feb 3 17:44:48 UTC 2012

On 02/03/2012 02:33 AM, Alex Jia wrote:
> On 02/03/2012 05:16 PM, punit gupta wrote:
>> sir
>>   i am using fedora 14 and libvirt 0.8 and qemu 13 ,and i am trying to
>> migrate my vm using virt-manager but it is giving error .

Fedora 14 is no longer supported, and the version of libvirt on that
machine has a number of bugs that have since been fixed.  You might get
better results if you upgrade to fedora 15 or 16.

>> >>
>> internal error Process exited while reading console log output: char
>> device redirected to /dev/pts/1
>> qemu: could not open disk image /home/punit/qemu/dos1.img: No such
>> file or directory
> You need a NFS to share your storage file at least, and please make sure
> /home/punit/qemu/dos1.img
> exists if your vm disk source file is pointing to this image file.

Yes, this error will occur if the destination machine cannot see the
same disk as the source machine.  Also, remember that if you use NFS
storage to share the disk, then you must access the disk over NFS on
both source and destination (setting up the source machine to be an NFS
server, then accessing the disk image via NFS on destination but
directly rather than NFS on the source machine will cause problems).

Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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