Re: Re: [Xen-users] XCP/XenServer Migration utility now available at xen.org

[David Markey <admin@dmarkey.com>]

[-- Attachment #1.1: Type: text/plain, Size: 5539 bytes --]

Wow, what a pain :)



2010/3/15 Martinx - ジェームズ <thiagocmartinsc@gmail.com>

> Yeah! Sure!
>
>  Today I'm doing this work manually... I mean, to copy a VM from open
> source Xen to the XenServer I do:
>
> 1- stop the VM on my debian dom0;
> 2- mount its root file system under /mnt/source;
> 3- export it via NFS;
> 4- At the XenServer, I boot the sysrescuecd (a live system);
> 5- fdisk the /dev/sda;
> 6- create the LVM volumes;
> 7- mount /dev/vg01/root under /mnt/target;
> 8- mount /dev/sda1 under /mnt/target/boot;
> 9- mount the debian dom0 nfs server under /mnt/source;
> 10- cp /mnt/source/* /mnt/target/
> 11- edit the /etc/fstab and the grub's menu;
> 12- shutdown the VM;
> 13- Convert it from HVM to PVM;
> 14- start the VM;
>
>
> Thanks,
> Thiago
>
> 2010/3/15 David Markey <admin@dmarkey.com>
>
>> If you change xvda1 to xvda, change xvda2 to xvdb it will work fine.
>>
>> Change references in /boot/grub/menu.lst of xvda1 to xvda
>>
>> Change references in /etc/fstab of xvda1 to xvda, and xvda2 to xvdb.
>>
>>
>> Understand?
>>
>>
>> 2010/3/15 Martinx - ジェームズ <thiagocmartinsc@gmail.com>
>>
>>> Exactly!
>>>
>>>  The first one is for my domU hosted at my open source Xen (powered by
>>> Debian), the second fstab, is the new one, used for my guests hosted at my
>>> XenServers.
>>>
>>>
>>> Thanks!
>>> Thiago
>>>
>>> 2010/3/15 David Markey <admin@dmarkey.com>
>>>
>>>> I'm confused,
>>>>
>>>> You supply 2 fstabs there, one using LVM, one without. Which one is it?
>>>>
>>>>
>>>>
>>>>
>>>> 2010/3/15 Martinx - ジェームズ <thiagocmartinsc@gmail.com>
>>>>
>>>> Hi David!
>>>>>
>>>>>  My Xen domU in my open source dom0 (Debian) have this configuration
>>>>> file:
>>>>>
>>>>> ----
>>>>> bootloader  = '/usr/bin/pygrub'
>>>>> extra       = 'console=hvc0'
>>>>> memory      = '64'
>>>>> disk        = [
>>>>>                   'phy:/dev/HyperVG01/guest01-root,xvda1,w',
>>>>>                   'phy:/dev/HyperVG01/guest01-swap,xvda2,w',
>>>>>               ]
>>>>> name        = 'guest01'
>>>>> vif         = [ 'mac=00:01:64:4b:0d:2e, vifname=guest01-eth0,
>>>>> bridge=eth0' ]
>>>>> on_poweroff = 'destroy'
>>>>> on_reboot   = 'restart'
>>>>> on_crash    = 'restart'
>>>>> ----
>>>>>
>>>>>  My guest01 /etc/fstab file:
>>>>>
>>>>> proc            /proc           proc    defaults        0       0
>>>>> /dev/xvda1      /               ext3    relatime,errors=remount-ro
>>>>> 0       1
>>>>> /dev/xvda2      none            swap    sw              0       0
>>>>>
>>>>>  BUT, this is for open source Xen domU, within the XenServer, the
>>>>> guest01 should be:
>>>>>
>>>>> proc            /proc           proc    defaults        0       0
>>>>> /dev/xvda1      /boot           ext2    defaults        0       2
>>>>> /dev/mapper/vdwuaf1-root /               ext3    errors=remount-ro
>>>>> 0       1
>>>>> /dev/mapper/vdwuaf1-swap_1 none            swap    sw
>>>>> 0       0
>>>>>
>>>>>  And the partition table of the guest01:
>>>>>
>>>>> guest01:~# fdisk -lu /dev/xvda
>>>>>
>>>>> Disk /dev/xvda: 8589 MB, 8589934592 bytes
>>>>> 255 heads, 63 sectors/track, 1044 cylinders, total 16777216 sectors
>>>>> Units = sectors of 1 * 512 = 512 bytes
>>>>> Disk identifier: 0x0009c181
>>>>>
>>>>>     Device Boot      Start         End      Blocks   Id  System
>>>>> /dev/xvda1   *          63      498014      248976   83  Linux
>>>>> /dev/xvda2          498015    16771859     8136922+  8e  Linux LVM
>>>>>
>>>>>  You tool can recreate the partition scheme? Or it just copy the domU
>>>>> as is?
>>>>>  I have many others domU like this to copy...
>>>>>
>>>>> Thanks!
>>>>> Thiago
>>>>>
>>>>> 2010/3/15 David Markey <admin@dmarkey.com>
>>>>>
>>>>> If anyone has feature requests, direct them here.
>>>>>>
>>>>>> The next feature i'll be working on is supporting kernels loaded from
>>>>>> the Dom0. The kernel images will have to be copied to the XenServer/XCP
>>>>>> Dom0.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> 2010/3/12 Martinx - ジェームズ <thiagocmartinsc@gmail.com>
>>>>>>
>>>>>>> Really COOL!!! I'm doing all this work manually until now!
>>>>>>>
>>>>>>>
>>>>>>> On 12 March 2010 15:33, David Markey <david.markey@citrix.com>wrote:
>>>>>>>
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> A new python based migration utility for migrating your xend virtual
>>>>>>>> machines to XCP  is now available at:
>>>>>>>>
>>>>>>>> http://www.xen.org/products/cloud_projects.html
>>>>>>>>
>>>>>>>> It can generate XVAs from your xend based HVM and paravirtualised
>>>>>>>> virtual machines.
>>>>>>>> It can also steam your VM directly to a XenServer/XCP host over HTTP
>>>>>>>> or HTTPS.
>>>>>>>>
>>>>>>>> Please read the README for pointers and guidelines on how to prepare
>>>>>>>> your VMs for migration to XCP. Most PV based virtual machines will need some
>>>>>>>> preparation work.
>>>>>>>>
>>>>>>>>
>>>>>>>> Thanks to Stephen Spector and Dave Scott!
>>>>>>>>
>>>>>>>> Enjoy,
>>>>>>>>
>>>>>>>> David
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Xen-users mailing list
>>>>>>>> Xen-users@lists.xensource.com
>>>>>>>> http://lists.xensource.com/xen-users
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Xen-devel mailing list
>>>>>>> Xen-devel@lists.xensource.com
>>>>>>> http://lists.xensource.com/xen-devel
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

[-- Attachment #1.2: Type: text/html, Size: 9912 bytes --]

[-- Attachment #2: Type: text/plain, Size: 138 bytes --]

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel