[libvirt-users] live migration without shared storage problems.

[Luengffy XUE]

Oh, I think I can describe the problem more specific.

1         Creat the vm in the source host and it run well.
2     Create the image in the destination and change the user and group
3 Open TCP socket in the destination host.

In the source host I use the different command as

1  $ virsh migrate --live --copy-storage-all vmubuntu
qemu+ssh://destinationHost/system --verbose

This situation, the error is:

In the source host:
 error:operation failed:migration job:unexpectedly failed
In the destiantion host: (from the vm.log)
 qemu:Warning: error while loading State ID section 2


<http://blog.chinaunix.net/space.php?uid=26284395&do=blog&id=2980663>


2    $ virsh migrate --live --copy-storage-all vmubuntu
qemu+ssh://destinationHost/system tcp://destinationHost:49170 --verbose

This situation, the error is:


In the source host:

error: operation failed : failed to retrieve chardev info inqemu with
'info chardev'

In the destiantion host: (from the vm.log)

Migration failed. Exit code tcp:0.0.0.0:49170(-98),exiting.




Can you help me ?  I google the error on the www . But I can not find the
proper solutions  or the same questions.

Thanks very much.
Best wishes.


2011/10/27 Osier Yang <jyang at redhat.com>

>  于 2011年10月26日 22:22, Luengffy XUE 写道:
>
>  Hi, all
>
> I migrate a vm from source host to the destination host.
>
> I am sure every part is ok for migration.
>
>  1   Create the  image in the destination and change the user and group.
>
> 2   Open TCP socket in the destination host.
>
>  and I migrate in the source host command line.
>
> $ virsh migrate --live --copy-storage-all vmubuntu  qemu+ssh://destinationHost/system --verbose
>
> But I get the  error
>
> "error: operation failed : failed to retrieve chardev info inqemu with 'info chardev'"
>
>
> Looks like you even failed on starting the domain. Could you confirm if you
> guest is actually running well?
>
>  In the destination I find in the vmubuntu.log
>
> The error is
>
> "Migration failed. Exit code tcp:0.0.0.0:49170(-98),exiting."
>
>  What can I do to solve it ?
>
> I do not understand how the error comes.
>
> Anyone can help me ?
>
> Thanks in advance.
>
>
>
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