Re: [Xen-users] migrate virtual machine to another server

Joseph Glanville
Sat, 14 May 2011 12:37:48 -0000

Hi,

Ensure this path is correct:
 ''phy:/dev/europe_storage/bill-wdisk,hda,w'',
Also if you aren''t using the QEMU ioemu driver make sure you have
PVonHVM drivers installed or GPLPV if this is a Windows guest.
Is there any error output when you try to start the domain?

Joseph.

On 14 May 2011 22:30, Asistar srl Ivan Bolognani <bolognani@asistar.it>
wrote:
> My config file is:
>
> ******************
> kernel         = ''hvmloader''
> builder        = ''hvm''
> memory         = 512
> shadow_memory  = 8
> name           = "bill"
> device_model   = ''qemu-dm''
> boot           = ''dc''
> sdl            = 0
> vnc            = 1
> stdvga         = 0
> vnclisten      = ''192.168.0.181''
> # vfb            = [
> #                    ''type=vnc,''
> #                  ''vncdisplay=1,''
> #                  ''vncpasswd=foo''
> #                  ]
> # http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=585
> usbdevice      = "tablet"
> # serial         = ''pty''
>
> disk    = [
>            ''phy:/dev/europe_storage/bill-wdisk,hda,w'',
>          ]
> vif         = [
>                (
>                  ''type=ioemu,''
>                  ''ip=10.0.1.42,''
>                  ''bridge=eth1,''
>                  ''script=vif-bridge,''
>                  ''vifname=bill.0,''
>                  ''mac=00:16:3f:d5:f4:31''
>
>                )
>              ]
> on_poweroff = ''destroy''
> on_reboot   = ''restart''
> on_crash    = ''destroy''
> ****************
>
>
>
>
>
> Il 14/05/11 14:25, "Joseph Glanville"
<joseph.glanville@orionvm.com.au> ha
> scritto:
>
>> Hi,
>>
>> Can you post the config file?
>>
>> Joseph.
>>
>> On 14 May 2011 21:59, Asistar srl Ivan Bolognani
<bolognani@asistar.it> wrote:
>>> Good morning
>>>
>>> I followed the instructions,
>>> I moved the image with command dd,
>>> I moved on server 2 file.cfg  and after on server 2 I typed xm
create
>>> file.cfg
>>>
>>> but will not start anything
>>>
>>> I must moved from server 1 to server 2  1 virtual machine wit
windows 2003
>>> and 2 virtual machine with debian
>>>
>>>
>>>
>>> Il 13/05/11 17:55, "Joseph Glanville"
<joseph.glanville@orionvm.com.au> ha
>>> scritto:
>>>
>>>> Hi,
>>>>
>>>> If the devices are in /dev/mapper you are probably using LVM.
>>>> You can use these commands to move the disks to server2
substituting
>>>> in the names of the LVM logical volume names.
>>>>
>>>> # copy the LV to an image file
>>>> dd if=/dev/mapper/<vgname>-<lvname>
of=/tmp/<vmname>.img bs=1M
>>>>
>>>> #transfer the image file
>>>> scp <user>@server2:/tmp/<vmname>.img
>>>>
>>>> #create a new LV assuming the volume group is already setup
>>>> lvcreate -n<lvname> -L<sizeofdisk> <vgname>
>>>>
>>>> #copy the image onto the newly created lv
>>>> dd if=/tmp/<vmname>.img
of=/dev/mapper/<vgname>-<lvname>
>>>>
>>>> You should now be able to start the VM with the same
configuration
>>>> file assuming networking etc is setup the same as server1.
>>>>
>>>> Joseph.
>>>>
>>>>
>>>> On 14 May 2011 01:38, Ivan Bolognani
<bolognani@asistar.it> wrote:
>>>>> Good morning.
>>>>>
>>>>> I have a question can you help me?
>>>>>
>>>>> I must migrate a virtual machine from server1  to server2
but I do not know
>>>>> where to start
>>>>>
>>>>> files are all in / dev / mapper / but I do not understand
how to move
>>>>>
>>>>> Can you help me posting the procedure  to do to migrate the
virtual server
>>>>>
>>>>> Sorry for my english
>>>>> Thanks
>>>>> Ivan
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Xen-users mailing list
>>>>> Xen-users@lists.xensource.com
>>>>> http://lists.xensource.com/xen-users
>>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>
>>
>
>
>
>
>
>
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--
Kind regards,
Joseph.
Founder | Director
Orion Virtualisation Solutions | www.orionvm.com.au | Phone: 1300 56
99 52 | Mobile: 0428 754 846