libvirt users - Jun 2012 - virsh: migration job: unexpectedly failed

Hi,I am use virsh and test the migration command,
on server.example.com:
# rpm -qa|grep libvirt
libvirt-0.9.10-21.el6.x86_64
libvirt-python-0.9.10-21.el6.x86_64
libvirt-client-0.9.10-21.el6.x86_64

# virsh version
Compiled against library: libvir 0.9.10
Using library: libvir 0.9.10
Using API: QEMU 0.9.10
Running hypervisor: QEMU 0.14.1

#cat /etc/libvirt/libvirt.conf
uri_aliases = [
  "host1=qemu+ssh://root at host1.example.com/system",
]

node1.example.com is the same version with server.example.com and on
both server has the same storage pool with same path,

first step,as  use the local storage,i copied the vm win7's disk from
server.example.com to node1.example.com's storage pool,and did a
pool-refresh.

2nd step:
on server.example.com i use this command to do the migration job:

#virsh start win7

# virsh  migrate win7 host1 --copy-storage-inc --persistent --live --unsafe
when the migation process begin ,i can see the win7 appear on the
node1.example.com whos status is paused,but just after a few secs,errs
come out:
(server.example.com)
# virsh  migrate win7 host1 --copy-storage-inc --persistent --live --unsafe
error: operation failed: migration job: unexpectedly failed
error: Reconnected to the hypervisor

i've tried to solve this problem, but failed.
thanks.

On 06/08/2012 02:21 PM, Xing.x.Gao wrote:
> Hi,I am use virsh and test the migration command,
> on server.example.com:
> # rpm -qa|grep libvirt
> libvirt-0.9.10-21.el6.x86_64
> libvirt-python-0.9.10-21.el6.x86_64
> libvirt-client-0.9.10-21.el6.x86_64
>
> # virsh version
> Compiled against library: libvir 0.9.10
> Using library: libvir 0.9.10
> Using API: QEMU 0.9.10
> Running hypervisor: QEMU 0.14.1
>
> #cat /etc/libvirt/libvirt.conf
> uri_aliases = [
>    "host1=qemu+ssh://root at host1.example.com/system",
host1? or node1?
> ]
>
> node1.example.com is the same version with server.example.com and on
> both server has the same storage pool with same path,
>
> first step,as  use the local storage,i copied the vm win7's disk from
> server.example.com to node1.example.com's storage pool,and did a
> pool-refresh.
Why need to run pool-refresh? and it's ran on
node1.example.com?
> 2nd step:
> on server.example.com i use this command to do the migration job:
Please share your nfs configuration if you're using a nfs to share guest 
image.
> #virsh start win7
>
> # virsh  migrate win7 host1 --copy-storage-inc --persistent --live --unsafe
> when the migation process begin ,i can see the win7 appear on the
> node1.example.com whos status is paused,but just after a few secs,errs
> come out:
> (server.example.com)
> # virsh  migrate win7 host1 --copy-storage-inc --persistent --live --unsafe
> error: operation failed: migration job: unexpectedly failed
> error: Reconnected to the hypervisor
Could you provide more libvirt debug information? please refer to the 
following link if you haven't
do it ago, thanks.

http://libvirt.org/logging.html
> i've tried to solve this problem, but failed.
> thanks.
>
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