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

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] migrate virtual machine to another server
From: Asistar srl Ivan Bolognani <bolognani@xxxxxxxxxx>
Date: Sat, 14 May 2011 15:00:21 +0200
Delivery-date: Sat, 14 May 2011 06:01:51 -0700
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the path is correct

 on server 2 is already running multiple virtual machines with Xen. vwindows
is that Linux
Every machine in the server 2 are all working.
The drivers qemu is installed



Il 14/05/11 14:37, "Joseph Glanville" <joseph.glanville@xxxxxxxxxxxxxx> ha
scritto:

> 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@xxxxxxxxxx> 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@xxxxxxxxxxxxxx> ha
>> scritto:
>> 
>>> Hi,
>>> 
>>> Can you post the config file?
>>> 
>>> Joseph.
>>> 
>>> On 14 May 2011 21:59, Asistar srl Ivan Bolognani <bolognani@xxxxxxxxxx>
>>> 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@xxxxxxxxxxxxxx> 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@xxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxx
>>>>>> http://lists.xensource.com/xen-users
>>>>>> 
>>>>> 
>>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
>>>> Xen-users mailing list
>>>> Xen-users@xxxxxxxxxxxxxxxxxxx
>>>> http://lists.xensource.com/xen-users
>>>> 
>>> 
>>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>> 
> 
> 






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