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

["Martinx - ジェームズ" <thiagocmartinsc@gmail.com>]

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So, your script can make a new partition scheme and a new fstab for my VMs
before stream it to the XenServer?
Because I have more than 100 VMs to copy!  :-/

2010/3/15 David Markey <admin@dmarkey.com>

> 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
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

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